Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 19:42

General

  • Target
    fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
  • Size 918KB
  • Sample230208-yenv8sed2x
  • SHA256 40c0aeecd4e2a74e596321dc0ad63cd62ce9e3c0cc1a2d095844e20bef5fec40
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248

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.

  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
    "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fwaYQVFS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:360
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwaYQVFS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56F9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:220
    • C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
      "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"
      2⤵
        PID:3756
      • C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
        "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4772
      • C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe
        "C:\Users\Admin\AppData\Local\Temp\fbd93ef7f7c0d319e22b59cc56ca9a2a.exe"
        2⤵
          PID:3684

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 62097621c022303c39361869f1103b85b17ad137d84a247b4089edbf9dae9664
            • MD5 SHA1 SHA512 SSDEEP

            tmp56F9.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp56F9.tmp
            • Size 1KB
            • SHA256 f233f8bfca120e6ea13d5e43f7e281196567b39ebc01107c2b899bdfd05bea1a
            • MD5 SHA1 SHA512

            memory/360-156-0x00000000079D0000-0x00000000079EA000-memory.dmp

            memory/360-144-0x0000000006000000-0x0000000006066000-memory.dmp

            memory/360-161-0x0000000007CF0000-0x0000000007CF8000-memory.dmp

            memory/360-159-0x0000000007C00000-0x0000000007C0E000-memory.dmp

            memory/360-154-0x0000000006C70000-0x0000000006C8E000-memory.dmp

            memory/360-152-0x00000000711B0000-0x00000000711FC000-memory.dmp

            memory/360-145-0x0000000006070000-0x00000000060D6000-memory.dmp

            memory/1720-155-0x0000000007380000-0x00000000079FA000-memory.dmp

            memory/1720-157-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

            memory/1720-139-0x0000000000870000-0x00000000008A6000-memory.dmp

            memory/1720-160-0x0000000007080000-0x000000000709A000-memory.dmp

            memory/1720-158-0x0000000006FC0000-0x0000000007056000-memory.dmp

            memory/1720-143-0x0000000004A60000-0x0000000004A82000-memory.dmp

            memory/1720-150-0x0000000005A40000-0x0000000005A5E000-memory.dmp

            memory/1720-151-0x0000000006010000-0x0000000006042000-memory.dmp

            memory/1720-153-0x00000000711B0000-0x00000000711FC000-memory.dmp

            memory/1720-141-0x0000000004F60000-0x0000000005588000-memory.dmp

            memory/4772-149-0x0000000000400000-0x0000000000426000-memory.dmp

            memory/4920-135-0x0000000005450000-0x000000000545A000-memory.dmp

            memory/4920-132-0x0000000000910000-0x00000000009FC000-memory.dmp

            memory/4920-136-0x00000000096B0000-0x000000000974C000-memory.dmp

            memory/4920-134-0x00000000053A0000-0x0000000005432000-memory.dmp

            memory/4920-133-0x00000000058B0000-0x0000000005E54000-memory.dmp