General

  • Target

    20b53c31facf80b9f3440c6792c77b21c95f7089e2e6895cb35e168440409929.exe

  • Size

    765KB

  • Sample

    240704-bkvveaxhkb

  • MD5

    025add7c58263b714dadb5dfd0568e89

  • SHA1

    d0ed4425f8339082008e8f1f3c27e2996ef0895a

  • SHA256

    20b53c31facf80b9f3440c6792c77b21c95f7089e2e6895cb35e168440409929

  • SHA512

    03c8b5f4e31757608ffe7ccad5e8a9ebd973a0830d5bbe251db5776035e4e7374c952e6020ed4309b5dd1efa4ec08c02c87f462b4f14cb1b7836b3cf8e603831

  • SSDEEP

    12288:aK5lx4lsFncTxF7IZIz1Pxq5vBYdNwSlHuv2fuIOhIUrBCBGymJXuS1d63MB:aK54qncTx9flHuviud+Od63MB

Malware Config

Extracted

Family

snakekeylogger

Credentials

Targets

    • Target

      20b53c31facf80b9f3440c6792c77b21c95f7089e2e6895cb35e168440409929.exe

    • Size

      765KB

    • MD5

      025add7c58263b714dadb5dfd0568e89

    • SHA1

      d0ed4425f8339082008e8f1f3c27e2996ef0895a

    • SHA256

      20b53c31facf80b9f3440c6792c77b21c95f7089e2e6895cb35e168440409929

    • SHA512

      03c8b5f4e31757608ffe7ccad5e8a9ebd973a0830d5bbe251db5776035e4e7374c952e6020ed4309b5dd1efa4ec08c02c87f462b4f14cb1b7836b3cf8e603831

    • SSDEEP

      12288:aK5lx4lsFncTxF7IZIz1Pxq5vBYdNwSlHuv2fuIOhIUrBCBGymJXuS1d63MB:aK54qncTx9flHuviud+Od63MB

    • 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 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 v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks