MALICIOUS — 31f9e8582740848fd32c8d266a343b999c1d88e2ccd88e093e8ae123fe1fac20

MALICIOUS — 31f9e8582740848fd32c8d266a343b999c1d88e2ccd88e093e8ae123fe1fac20 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AutoRun family. 9 of 52 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 31f9e8582740848fd32c8d266a343b999c1d88e2ccd88e093e8ae123fe1fac20
SHA-1: b41739782b75afc6a788c81b5d9016ff53885a34
MD5: 224e96ac79f8d3823ad10cd3f49cd9b0
imphash: 01392ca861cf87b8d28ad9ea90016bb4
ssdeep: 49152:qLg4s/IabjKoh9WsRrRokp88xmN3Aek03noj45wlDTr:48IabjKoh9WsRrRokqeUJF3noxDX
TLSH: T1595EF6842B1BD746C0F4AB1D7DB04B9D60A2E4A4312D5C08EA87F07E5DFAA331854A5F
Submitted as: 31f9e8582740848fd32c8d266a343b999c1d88e2ccd88e093e8ae123fe1fac20
File type: pe · Size: 2926004 bytes
Verdict: malicious (100/100) · Family: AutoRun

Detections (9 of 52 engines)

capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): ASPack
ClamAV (daily): Win.Trojan.Bulz-9865941-0
YARA: JPCERT/CC: JPCERT_Emotet
YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Microsoft Defender: Worm:Win32/AutoRun!pz
Emsisoft (Emergency Kit): Trojan.Runner.BP
Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 16 weighted signals:

ClamAV (daily) flagged Win.Trojan.Bulz-9865941-0 (rule Win.Trojan.Bulz-9865941-0) - engine signal, weight 0.90, confidence 0.95
Dropped a malicious payload: bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - dynamic signal, weight 0.80, confidence 0.90
Microsoft Defender flagged Worm:Win32/AutoRun!pz (rule Worm:Win32/AutoRun!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.Runner.BP (rule Trojan.Runner.BP) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.AutoRun.vx (rule Worm.Win32.AutoRun.vx) - engine signal, weight 0.55, confidence 0.85
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 30 external host(s) at runtime (15 HTTP) - network signal, weight 0.40, confidence 0.80
YARA: JPCERT/CC flagged JPCERT_Emotet (rule JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70
YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule YR_Packer_ASPack_MPRESS) - engine signal, weight 0.35, confidence 0.70
persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
Embedded network infrastructure: http://www.symauth.com/cps0, http://www.symauth.com/rpa04, http://www.symauth.com/cps09 - static signal, weight 0.35, confidence 0.60
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Packing/obfuscation: ASPack, high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

24676 behavior events · 1 ATT&CK techniques · 83 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/7535/files/32acc1bc543116cbe2cff10cb867772df2f254ff2634c870aef0b46c4b696fdb - 32acc1bc543116cbe2cff10cb867772df2f254ff2634c870aef0b46c4b696fdb
/opt/CAPEv2/storage/analyses/7535/files/a3c8816804c91b2cbefe053c30be35a0c32bc844a013cbdb3cf845c4c152c1ee - a3c8816804c91b2cbefe053c30be35a0c32bc844a013cbdb3cf845c4c152c1ee
/opt/CAPEv2/storage/analyses/7535/files/0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - 0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91
/opt/CAPEv2/storage/analyses/7535/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
/opt/CAPEv2/storage/analyses/7535/files/d5982b9d59591a2ccfd03ed632a87eef3627ae7388fa4e08e0bef15fadc17da3 - d5982b9d59591a2ccfd03ed632a87eef3627ae7388fa4e08e0bef15fadc17da3
/opt/CAPEv2/storage/analyses/7535/files/b6e72c9d1dd4c4a40afc7ffa3c2b809c215894c39b0a8176862ab5cc85fc652f - b6e72c9d1dd4c4a40afc7ffa3c2b809c215894c39b0a8176862ab5cc85fc652f
/opt/CAPEv2/storage/analyses/7535/files/920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0 - 920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0
/opt/CAPEv2/storage/analyses/7535/files/f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379 - f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379
/opt/CAPEv2/storage/analyses/7535/files/ebf4382c7f837e9c559145ffae52c64e5c3865649838e2a3343e28a2ffff1f08 - ebf4382c7f837e9c559145ffae52c64e5c3865649838e2a3343e28a2ffff1f08
/opt/CAPEv2/storage/analyses/7535/files/597f127eb2913c8d942acc169249518f6582bd894e4640fd777c1a023d3d820f - 597f127eb2913c8d942acc169249518f6582bd894e4640fd777c1a023d3d820f
/opt/CAPEv2/storage/analyses/7535/files/2388ce039daa90703eac712a1e15f2bd5813db9ac47c86b82eb8c5384423797a - 2388ce039daa90703eac712a1e15f2bd5813db9ac47c86b82eb8c5384423797a
/opt/CAPEv2/storage/analyses/7535/files/81441bfaf6e4e6a8772b374772e4f1e648392c82b073a4377bcca67590bba48f - 81441bfaf6e4e6a8772b374772e4f1e648392c82b073a4377bcca67590bba48f
/opt/CAPEv2/storage/analyses/7535/files/4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc - 4e307bc9c49a98187e384a9309fbbf49e4fde50b2b989cede11bb8eb2c8debdc
/opt/CAPEv2/storage/analyses/7535/files/079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4 - 079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4
/opt/CAPEv2/storage/analyses/7535/files/bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a - bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a

Embedded URLs

http://crl.thawte.com/ThawteTimestampingCA.crl0
http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
http://crl.verisign.com/pca3.crl0
https://www.verisign.com/cps0
http://logo.verisign.com/vslogo.gif04
http://www.symauth.com/cps0
http://www.symauth.com/rpa04
http://crl.verisign.com/pca3-g5.crl0
http://www.symauth.com/cps09
http://evcs-crl.ws.symantec.com/evcs.crl0
http://evcs-aia.ws.symantec.com/evcs.cer0
http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
http://office.microsoft.com
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
http://office.microsoft.com/0
https://armmf.adobe.com/arm-manifests/win/
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://watson.microsoft.com/dw/dcp.asp
http://watson.microsoft.com/dw/watsoninfo.asp
http://schemas.microsoft.com/SMI/2005/WindowsSettings

Embedded domains

crl.thawte.com
ts-aia.ws.symantec.com
ts-crl.ws.symantec.com
crl.verisign.com
www.verisign.com
logo.verisign.com
www.symauth.com
evcs-crl.ws.symantec.com
evcs-aia.ws.symantec.com
crl.microsoft.com
www.microsoft.com
office.microsoft.com
armmf.adobe.com
www.adobe.com
watson.microsoft.com
microsoft.com
msn.com
schemas.microsoft.com
crl.certum.pl
repository.certum.pl
www.certum.pl
ccsca2021.crl.certum.pl
subca.repository.certum.pl
subca.crl.certum.pl

Embedded IP addresses

1.7.2.0
11.0.07.79
26.2.5.2
20.42.65.90
4.230.171.124
172.215.188.225
52.230.59.222
74.178.76.44
74.178.240.51
74.179.77.204
20.50.80.215
203.26.79.13
135.234.160.244
92.223.78.30
20.184.175.3
51.105.71.136
72.153.5.136
20.42.179.204
52.148.114.188
52.110.12.8
52.110.12.56

Registry keys

HKCU\Software
HKCU\Software\Policies
HKLM\Software
HKLM\Software\Policies
HKCU\Software\Microsoft\Shared\OfficeUILanguage
HKLM\Software\Microsoft\Windows
HKLM\Software\Microsoft\Office\11.0\Registration
HKEY_CLASSES_ROOT\Software\Adobe\Acrobat\Exe
HKLM\SOFTWARE\RegisteredApplications

File paths

d:\_Bld\10657\7994\Sources\obj\Win32\Release\EvaluationContainer.NetFX40.csproj\Microsoft.Mashup.Container.NetFX40.pdb
f:\CB\ARM_Sustaining\BuildResults\bin\Win32\Release\AdobeARMHelper.pdb
X:\:`:
X:\:`:d:h:l:p:@;D;H;L;P;T;X;\;`;
X:\:`:d:h:p:t:x:
X:\:`:d:h:l:p:t:x:
T:\:h:
P:\Target\x86\ship\dw\x-none\dw20.pdb
T:\:d:l:t:
X:\:l:p:t:x:
E:\build\workdir\LinkTarget\Executable\minidump_upload.pdb
E:\build\workdir\LinkTarget\Executable\gengal.pdb
E:\build\workdir\LinkTarget\Executable\sbase.pdb
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filecore.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\filetxt.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\auxdata.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin1.inl
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report