MALICIOUS — a8ec539ac1794add85cec5aea88f0460393be0f2a421f9c92a1bba178ed3ffa0
MALICIOUS — a8ec539ac1794add85cec5aea88f0460393be0f2a421f9c92a1bba178ed3ffa0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the AutoRun family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
a8ec539ac1794add85cec5aea88f0460393be0f2a421f9c92a1bba178ed3ffa0 - SHA-1:
e6ecdaf57bcb7a02f5efcacc9876fdb0477b7444 - MD5:
62f4b3f0d676a3376cffee58672fb860 - imphash:
70f4c9523f25f52b28173ba231278c51 - ssdeep:
24576:+eZS8sz4YT9+NCH8bneZS8sz4RADt3YZ3y7y+2Jm/jlSmf6KeGUcgQW/MUSdGDd:+rrDkr5DtoZNmUi6AjW/MUSdGRf3/ - TLSH:
T1A55B8C8D4625A306D6F287603D209EEC60ADB4D921BA794F1EC3D13F55F6033A83606B - Submitted as: a8ec539ac1794add85cec5aea88f0460393be0f2a421f9c92a1bba178ed3ffa0
- File type: pe · Size: 2364385 bytes
- Verdict: malicious (99/100) · Family: AutoRun
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Bulz-9859378-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
- LIEF (executable format parser): lief:invalid-authenticode
- Kaspersky (KVRT): Worm.Win32.AutoRun.vx
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Malware.Bulz-9859378-0 (rule
Win.Malware.Bulz-9859378-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 26 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- 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_Packer_ASPack_MPRESS (rule
YR_Packer_ASPack_MPRESS) - engine signal, weight 0.35, confidence 0.70 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
297 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
- desktop-hsgcbep
- ocsp.digicert.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Embedded URLs
- https://www.verisign.com/repository/RPA0
- https://www.verisign.com/repository/CPS
- https://www.verisign.com
- https://www.verisign.com/CPS
- http://office.microsoft.com
- 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://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://schemas.microsoft.com/2006/mcml
- 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
- https://www.verisign.com/rpa
- http://csc3-2010-crl.verisign.com/CSC3-2010.crl0D
- https://www.verisign.com/rpa0
- http://csc3-2010-aia.verisign.com/CSC3-2010.cer0
- https://www.verisign.com/cps0*
- http://logo.verisign.com/vslogo.gif04
- http://crl.verisign.com/pca3-g5.crl04
- http://office.microsoft.com/0
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Embedded domains
- watson.microsoft.com
- microsoft.com
- msn.com
- www.verisign.com
- verisign.com
- office.microsoft.com
- crl.microsoft.com
- www.microsoft.com
- schemas.microsoft.com
- crl.thawte.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- csc3-2010-crl.verisign.com
- csc3-2010-aia.verisign.com
- logo.verisign.com
- crl.verisign.com
- outlook.network
Embedded IP addresses
- 92.223.78.30
- 20.42.73.26
- 4.230.171.124
- 48.211.4.16
- 4.144.132.223
- 57.154.63.210
- 74.179.77.204
- 4.150.223.98
- 20.165.94.46
- 74.178.240.51
- 52.123.128.14
- 20.231.239.246
- 40.99.134.2
- 40.99.134.18
- 52.123.129.14
- 52.110.12.53
- 52.110.12.32
- 203.26.79.13
- 135.234.160.244
- 135.232.92.34
- 52.148.114.188
- 52.110.12.25
- 52.110.12.54
- 72.153.5.139
- 162.159.142.9
Registry keys
- HKCU\Software\Policies
- HKLM\Software
- HKLM\Software\Policies
- HKCU\Software\Microsoft\Internet
- HKLM\Software\Microsoft\Windows
- HKLM\Software\Microsoft\Office\10.0\Registration
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\wordconv.pdb
- d:\w7rtm.public.x86fre\internal\strongnamekeys\fake\windows.snk
- C:\re\jdk7u45\229\build\windows-amd64\tmp\ssvagent\obj64\ssvagent.pdb
- C:\Program
- F:\Office\Target\x64\ship\postc2r\x-none\appsharinghookcontroller.pdb
- C:\re\jdk7u45\229\build\windows-amd64\tmp\sun\launcher\tnameserv\obj64\tnameserv.pdb
- P:\Target\x86\ship\setupexe\x-none\liclua.pdb
- X:\:`:@=D=H=L=
- X:\:`:d:h:l:p:t:x:
- F:\Office\Target\x86\ship\postc2r\x-none\protocolhandler.pdb
- T:\:h:p:
- T:\:l:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report