Analysis

  • max time kernel
    132s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2022, 13:08

General

  • Target

    P O -82YWU8HNQMWK.exe

  • Size

    756KB

  • MD5

    d0fc8acab7b14959a21de8c923c8a70c

  • SHA1

    b0a7c0355d2e4e41f0977f00e8072eeb70c674d0

  • SHA256

    ffc51f2ef0542e31be26668f49bf65a719ea827188707a83ca5421d2ad8b6fbc

  • SHA512

    28f0c196678b25fa7d4e9dd23c025497fd9a03a3d11d0c72062b25f34b2569f5d5320f96410f25f17b2f7d6bfe8f1de5eff5cc34a893b7209c72153b39b596e0

  • SSDEEP

    12288:LlM9v4jxXf1AZFFhtTV8rUzDEThhUVsDwlMbqjJ5n:yv41feh8rMDElhUeDwlNjr

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe
    "C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLBhtX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30C4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1724
    • C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\P O -82YWU8HNQMWK.exe.log

    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • C:\Users\Admin\AppData\Local\Temp\tmp30C4.tmp

    Filesize

    1KB

    MD5

    ec3be9452585bfc768b164563b452cac

    SHA1

    a457f222812d4d52ee81334609175db6ab655b1c

    SHA256

    41ea3167bfc5bc6a89eb3dbe82f677755d501d64bc353b95709fbe2c8f87d604

    SHA512

    9a9032b09cbd34aefd6f5f51e550e66b885bbb8f4290d833ecaf00967ebdc7dbd35c8c219df990e477ee222ebc32c0d811672c16bf88597b4ca7df467fea6509

  • memory/1216-140-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1216-142-0x0000000006370000-0x0000000006532000-memory.dmp

    Filesize

    1.8MB

  • memory/2144-132-0x00000000007D0000-0x0000000000894000-memory.dmp

    Filesize

    784KB

  • memory/2144-133-0x00000000058A0000-0x0000000005E44000-memory.dmp

    Filesize

    5.6MB

  • memory/2144-134-0x0000000005210000-0x00000000052A2000-memory.dmp

    Filesize

    584KB

  • memory/2144-135-0x0000000005390000-0x000000000542C000-memory.dmp

    Filesize

    624KB

  • memory/2144-136-0x00000000052C0000-0x00000000052CA000-memory.dmp

    Filesize

    40KB