General

  • Target

    MV ASPL TBN.exe

  • Size

    166KB

  • Sample

    221123-n7fp8adg2s

  • MD5

    28fa19adec2fa9a8d1e8d67310d58f0b

  • SHA1

    58e964eec035d120bfdd5c8968f227fc516f8893

  • SHA256

    9c0cab2fc38f52243eff7e3fa43e088d76b0a77d1253230c0d9b28c8f64f611d

  • SHA512

    f61c3ce86850e2ccb50fb2555229b52f0300088294e7f419169a4d309ef0c63807e7cb12bc47fe04d78e7b1b2fb71952c08483c17119d439138d17695435226d

  • SSDEEP

    384:eHHVieHKQN6dmOSACCB0W77EldnvGNDj:eHH5N64OSACCBSdnvGNn

Malware Config

Targets

    • Target

      MV ASPL TBN.exe

    • Size

      166KB

    • MD5

      28fa19adec2fa9a8d1e8d67310d58f0b

    • SHA1

      58e964eec035d120bfdd5c8968f227fc516f8893

    • SHA256

      9c0cab2fc38f52243eff7e3fa43e088d76b0a77d1253230c0d9b28c8f64f611d

    • SHA512

      f61c3ce86850e2ccb50fb2555229b52f0300088294e7f419169a4d309ef0c63807e7cb12bc47fe04d78e7b1b2fb71952c08483c17119d439138d17695435226d

    • SSDEEP

      384:eHHVieHKQN6dmOSACCB0W77EldnvGNDj:eHH5N64OSACCBSdnvGNn

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks