MALICIOUS — f7c0b73439dbfa2a4418e8c15ca6bbcf68c614057fe77513b0ad9f5bf156ea9d
MALICIOUS — f7c0b73439dbfa2a4418e8c15ca6bbcf68c614057fe77513b0ad9f5bf156ea9d is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Bulz family. 6 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
f7c0b73439dbfa2a4418e8c15ca6bbcf68c614057fe77513b0ad9f5bf156ea9d - SHA-1:
dd1b62566bc5f8fd09fbaef77cc3e0ee516ed237 - MD5:
85888cb0c15f67a313c4dc28804f547d - imphash:
4d8d0261016c5c05b880950a5b0e704a - ssdeep:
49152:RQ38xmN3Aek03noj45wlDTOhP9zWmTjZqhaK6zbfqdl:meUJF3noxDihPpx - TLSH:
T1C45FF588CA1B3631EAB6B610685089FF4497F4B4F03D654C1B47F42A33A27B798B1359 - Submitted as: f7c0b73439dbfa2a4418e8c15ca6bbcf68c614057fe77513b0ad9f5bf156ea9d
- File type: pe · Size: 3347930 bytes
- Verdict: malicious (99/100) · Family: Bulz
Detections (6 of 55 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Trojan.Bulz-9865941-0
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Bulz-9865941-0 (rule
Win.Trojan.Bulz-9865941-0) - engine signal, weight 0.90, confidence 0.95 - Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 20 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule
DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - 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: https://www.autoitscript.com/autoit3/ - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://schemas.microsoft.com/SMI/2016/WindowsSettings
- https://www.digicert.com/CPS0
- http://crl3.digicert.com/sha2-assured-cs-g1.crl05
- http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
- http://www.digicert.com/CPS0
- http://crl3.digicert.com/sha2-assured-ts.crl02
- http://crl4.digicert.com/sha2-assured-ts.crl0
- http://watson.microsoft.com/dw/dcp.asp
- http://watson.microsoft.com/dw/watsoninfo.asp
- 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/0
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://ocsp2.globalsign.com/rootr306
- http://crl.globalsign.com/root-r3.crl0c
- https://www.globalsign.com/repository/0
- http://secure.globalsign.com/cacert/gscodesignsha2g3ocsp.crt08
- http://ocsp2.globalsign.com/gscodesignsha2g30V
- http://crl.globalsign.com/gscodesignsha2g3.crl0
- https://www.autoitscript.com/autoit3/
- http://secure.globalsign.com/cacert/gstimestampingsha2g2.crt0
- https://www.globalsign.com/repository/06
Embedded domains
- schemas.microsoft.com
- cacerts.digicert.com
- crl4.digicert.com
- crl3.digicert.com
- www.digicert.com
- watson.microsoft.com
- microsoft.com
- msn.com
- crl.microsoft.com
- www.microsoft.com
- office.microsoft.com
- ocsp2.globalsign.com
- crl.globalsign.com
- www.globalsign.com
- secure.globalsign.com
- www.autoitscript.com
- crl.globalsign.net
- outlook.network
Embedded IP addresses
- 13.89.179.12
- 4.144.132.223
- 52.123.252.233
- 172.215.188.232
- 4.230.171.124
- 74.178.76.128
- 52.168.117.175
- 74.178.240.51
- 4.150.223.101
- 52.123.129.14
- 20.76.201.171
- 203.26.79.13
- 52.123.252.202
- 74.178.76.44
- 52.123.252.247
- 135.233.45.222
- 52.148.114.188
- 72.145.35.108
- 52.110.12.32
- 52.110.12.55
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
File paths
- C:\A\34\b\bin\amd64\python.pdb
- P:\Target\x86\ship\dw\x-none\dw20.pdb
- T:\:d:l:t:
- X:\:l:p:t:x:
- d:\dbs\el\oc\target\x86\ship\postc2rcross\x-none\msohtmed.pdb
- X:\:`:d:h:l:p:t:x:
- T:\:h:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report