General

  • Target

    Uarngd.exe

  • Size

    7KB

  • Sample

    230203-spk97sfh46

  • MD5

    51b95537e2f88be4e97ca30fd565c6a2

  • SHA1

    3c19c4f72b3737b8c365462b578e46a681990470

  • SHA256

    3b6d60b69e3438ca5aaad8edf8b87f8c39f72803aa3c90a929aff5239d998333

  • SHA512

    d177cfdbec6511d7fce4911b0e2b4d3581bb625d02df2ced2ab3cf774873cae1748f796fa939b269c1d0c267a63f89d82c51784c183c067cd9f9c6a0f89e9c39

  • SSDEEP

    96:0+10kTSeg3MLEmVJsdtldCDxLGP8ZY7ZMtblNb6k2wImQgJtXstMtzNt:0+nWeg3SXJ45C5GPGldHbIfgzXEMH

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5497972920:AAHqqS9EfkxnwYz3pQtCWef33URevfy5tRk/sendMessage?chat_id=1653988628

Targets

    • Target

      Uarngd.exe

    • Size

      7KB

    • MD5

      51b95537e2f88be4e97ca30fd565c6a2

    • SHA1

      3c19c4f72b3737b8c365462b578e46a681990470

    • SHA256

      3b6d60b69e3438ca5aaad8edf8b87f8c39f72803aa3c90a929aff5239d998333

    • SHA512

      d177cfdbec6511d7fce4911b0e2b4d3581bb625d02df2ced2ab3cf774873cae1748f796fa939b269c1d0c267a63f89d82c51784c183c067cd9f9c6a0f89e9c39

    • SSDEEP

      96:0+10kTSeg3MLEmVJsdtldCDxLGP8ZY7ZMtblNb6k2wImQgJtXstMtzNt:0+nWeg3SXJ45C5GPGldHbIfgzXEMH

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • 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