Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 05:36

General

  • Target

    Shipping Documents Original BL, Invoice & Packing List.exe

  • Size

    725KB

  • MD5

    132eb1a40c403bc96986024b3de63dbb

  • SHA1

    52996e976b37b7ac2a53be90864b44e7d02c1974

  • SHA256

    75f2d758f27b27982c84af9f9ad2677e005a72a385e48627dfa13341a4273606

  • SHA512

    2757b1baba6e0d3253e7c2aca14020b739d368684f475b72ff4d470559f3626972f522ca30a7b30379d2b78df646b0f8299615758491b391b78b819be92f95e8

  • SSDEEP

    12288:M9yCkuvgld21fNlRULtFkcmPMUHiMySw3Tznmj0ztF9CoTYUVuwwVTMsMf:M5dvTItFk7fiEjU6WYQultTE

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://bitrix370.timeweb.ru/
  • Port:
    21
  • Username:
    cn94754
  • Password:
    c2eitfpidhgS

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

  • Program crash 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents Original BL, Invoice & Packing List.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents Original BL, Invoice & Packing List.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkoaYBUIwbGl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE162.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4188
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 1760
        3⤵
        • Program crash
        PID:2880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3116 -ip 3116
    1⤵
      PID:3612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE162.tmp

      Filesize

      1KB

      MD5

      496f48d814178c84024be8077979ce91

      SHA1

      d4ec44035655c1900347da5059588fae007687ae

      SHA256

      7a691d36f8f1f6018749720a2d27e13fed4a3f130c4ab21db930f47981b176cf

      SHA512

      a4dd9d146063d3400d3766948a7beef3277faebb38ec528977d55c914c46887bd3a1ebdd79dd749c63b90ac2812dec3254bacc773cd76f99aec07c29c8c89821

    • memory/3116-24-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3116-23-0x0000000006730000-0x00000000068F2000-memory.dmp

      Filesize

      1.8MB

    • memory/3116-22-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3116-20-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3116-18-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3980-10-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

      Filesize

      4KB

    • memory/3980-6-0x0000000005950000-0x00000000059A6000-memory.dmp

      Filesize

      344KB

    • memory/3980-8-0x0000000006280000-0x00000000065D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3980-9-0x0000000005B60000-0x0000000005B6A000-memory.dmp

      Filesize

      40KB

    • memory/3980-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

      Filesize

      4KB

    • memory/3980-11-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3980-12-0x0000000006860000-0x0000000006902000-memory.dmp

      Filesize

      648KB

    • memory/3980-7-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3980-5-0x0000000005720000-0x000000000572A000-memory.dmp

      Filesize

      40KB

    • memory/3980-21-0x0000000074FD0000-0x0000000075780000-memory.dmp

      Filesize

      7.7MB

    • memory/3980-4-0x00000000057C0000-0x0000000005852000-memory.dmp

      Filesize

      584KB

    • memory/3980-3-0x0000000005CD0000-0x0000000006274000-memory.dmp

      Filesize

      5.6MB

    • memory/3980-2-0x0000000005680000-0x000000000571C000-memory.dmp

      Filesize

      624KB

    • memory/3980-1-0x0000000000BD0000-0x0000000000C8A000-memory.dmp

      Filesize

      744KB