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Analysis

  • max time kernel
    159s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 18:01

General

  • Target

    21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe

  • Size

    273KB

  • MD5

    35a515d816785d3ce2f59eb206133c06

  • SHA1

    a4ef3f64a17dc8abfb583e47f281cae2b6a443de

  • SHA256

    21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc

  • SHA512

    698a3187670728d5285428dd9ef803feebcdc75a0d46e631ae821de9e158256657854b1e734edb9cfb8e5e2945d6f48000248d0dd2228c2c536aefb3d11472c9

  • SSDEEP

    6144:8IiW4AcPkGRLlcbFExG4X+0fg1G34WmUctlR0kD:4AcPdRuy+zVWHISkD

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe
    "C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe
      "C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:2452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe

    Filesize

    273KB

    MD5

    35a515d816785d3ce2f59eb206133c06

    SHA1

    a4ef3f64a17dc8abfb583e47f281cae2b6a443de

    SHA256

    21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc

    SHA512

    698a3187670728d5285428dd9ef803feebcdc75a0d46e631ae821de9e158256657854b1e734edb9cfb8e5e2945d6f48000248d0dd2228c2c536aefb3d11472c9

  • C:\Users\Admin\AppData\Local\Temp\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc\21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc.exe

    Filesize

    273KB

    MD5

    35a515d816785d3ce2f59eb206133c06

    SHA1

    a4ef3f64a17dc8abfb583e47f281cae2b6a443de

    SHA256

    21a1f5a0a478d0ef16c47210137bdcbf8e94cc200c88c9b69f17e075237043fc

    SHA512

    698a3187670728d5285428dd9ef803feebcdc75a0d46e631ae821de9e158256657854b1e734edb9cfb8e5e2945d6f48000248d0dd2228c2c536aefb3d11472c9

  • memory/1564-139-0x0000000074B60000-0x0000000075111000-memory.dmp

    Filesize

    5.7MB

  • memory/1564-140-0x0000000074B60000-0x0000000075111000-memory.dmp

    Filesize

    5.7MB

  • memory/4808-132-0x0000000074B60000-0x0000000075111000-memory.dmp

    Filesize

    5.7MB

  • memory/4808-137-0x0000000074B60000-0x0000000075111000-memory.dmp

    Filesize

    5.7MB