Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 08:12

General

  • Target

    MTO of Valves balongan minus.exe

  • Size

    723KB

  • MD5

    e8ac142097057e54c67c573ffc4b5200

  • SHA1

    e853bad28e0fabc35e2a14788a6bde6fd28095c1

  • SHA256

    ae07c4e8171fb3f7b72d667d9af8924f762d92ff71d1264c9afec1a7dfbc604d

  • SHA512

    904be41ed9d42e2de44e3c43d200eab88b068a4789cebf0180a636bdc9eb6f775ca809050b0f06b86b7d7c477848bd117840013c84b1a446ee53cb6da86affa9

  • SSDEEP

    12288:+lE9vdcyerVbCx3YNgn0QH72F3JfMNtGVp6yLUYKw7/vAWwFiacwdiHUJ1t6rR:WE9verVbCx3YNgngRppj7/EwacwQ0Jr6

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe
    "C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • 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\MTO of Valves balongan minus.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe
      "C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe"
      2⤵
        PID:2348
      • C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe
        "C:\Users\Admin\AppData\Local\Temp\MTO of Valves balongan minus.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2168

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5agq0yu.42m.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2156-8-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/2156-3-0x0000000005170000-0x0000000005202000-memory.dmp

      Filesize

      584KB

    • memory/2156-10-0x0000000006990000-0x0000000006A0C000-memory.dmp

      Filesize

      496KB

    • memory/2156-9-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2156-4-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2156-6-0x0000000005210000-0x00000000052AC000-memory.dmp

      Filesize

      624KB

    • memory/2156-7-0x00000000052B0000-0x00000000052C2000-memory.dmp

      Filesize

      72KB

    • memory/2156-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/2156-1-0x0000000000600000-0x00000000006BC000-memory.dmp

      Filesize

      752KB

    • memory/2156-2-0x0000000005680000-0x0000000005C24000-memory.dmp

      Filesize

      5.6MB

    • memory/2156-5-0x00000000050B0000-0x00000000050BA000-memory.dmp

      Filesize

      40KB

    • memory/2156-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2168-14-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2168-62-0x00000000066C0000-0x0000000006882000-memory.dmp

      Filesize

      1.8MB

    • memory/2168-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2168-61-0x00000000064A0000-0x00000000064F0000-memory.dmp

      Filesize

      320KB

    • memory/2168-60-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/2168-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3008-21-0x0000000005F10000-0x0000000005F76000-memory.dmp

      Filesize

      408KB

    • memory/3008-48-0x0000000007FF0000-0x000000000866A000-memory.dmp

      Filesize

      6.5MB

    • memory/3008-22-0x0000000005F80000-0x0000000005FE6000-memory.dmp

      Filesize

      408KB

    • memory/3008-19-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3008-32-0x0000000006060000-0x00000000063B4000-memory.dmp

      Filesize

      3.3MB

    • memory/3008-33-0x00000000066A0000-0x00000000066BE000-memory.dmp

      Filesize

      120KB

    • memory/3008-34-0x00000000066C0000-0x000000000670C000-memory.dmp

      Filesize

      304KB

    • memory/3008-35-0x0000000006C50000-0x0000000006C82000-memory.dmp

      Filesize

      200KB

    • memory/3008-36-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/3008-46-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

      Filesize

      120KB

    • memory/3008-47-0x0000000007880000-0x0000000007923000-memory.dmp

      Filesize

      652KB

    • memory/3008-20-0x00000000057E0000-0x0000000005802000-memory.dmp

      Filesize

      136KB

    • memory/3008-49-0x00000000079B0000-0x00000000079CA000-memory.dmp

      Filesize

      104KB

    • memory/3008-50-0x0000000007A20000-0x0000000007A2A000-memory.dmp

      Filesize

      40KB

    • memory/3008-51-0x0000000007C30000-0x0000000007CC6000-memory.dmp

      Filesize

      600KB

    • memory/3008-52-0x0000000007BB0000-0x0000000007BC1000-memory.dmp

      Filesize

      68KB

    • memory/3008-53-0x0000000007BE0000-0x0000000007BEE000-memory.dmp

      Filesize

      56KB

    • memory/3008-54-0x0000000007BF0000-0x0000000007C04000-memory.dmp

      Filesize

      80KB

    • memory/3008-55-0x0000000007CF0000-0x0000000007D0A000-memory.dmp

      Filesize

      104KB

    • memory/3008-56-0x0000000007CD0000-0x0000000007CD8000-memory.dmp

      Filesize

      32KB

    • memory/3008-59-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3008-18-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3008-16-0x00000000058E0000-0x0000000005F08000-memory.dmp

      Filesize

      6.2MB

    • memory/3008-15-0x0000000002D80000-0x0000000002DB6000-memory.dmp

      Filesize

      216KB