Analysis

  • max time kernel
    185s
  • max time network
    202s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22/01/2022, 01:11

General

  • Target

    a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe

  • Size

    855KB

  • MD5

    96aaf9d1fb5128f7bf74af569c547a71

  • SHA1

    078621841d45a72b5db5c45bb0bc8872d051acaa

  • SHA256

    a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0

  • SHA512

    ab14e9cb092e5998125c3c2673c32cf1ff4b544bd56acf49d4f0763d3ccde05f72d0e7c3573ef169ed4d40dc779419fd01be4490039c0e9eac459768d80234c1

Malware Config

Signatures

  • Imminent RAT

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

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe
    "C:\Users\Admin\AppData\Local\Temp\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe
      "C:\Users\Admin\AppData\Local\Temp\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe"
      2⤵
      • Modifies WinLogon for persistence
      • 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:3412
    • 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\a633aeabdd9695dfff9ce5c5a350a6b9af55e9fb88a5ed3c3c150b4bceeb5cc0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1856-115-0x0000000002DB0000-0x0000000002DB1000-memory.dmp

    Filesize

    4KB

  • memory/1856-116-0x0000000002DB3000-0x0000000002DB5000-memory.dmp

    Filesize

    8KB

  • memory/3412-119-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

    Filesize

    4KB

  • memory/3412-120-0x0000000002CF3000-0x0000000002CF5000-memory.dmp

    Filesize

    8KB