Analysis

  • max time kernel
    151s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07/06/2022, 14:53

General

  • Target

    1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe

  • Size

    320KB

  • MD5

    4a30268b139df804cc85add123fd734e

  • SHA1

    5b48f2af4eaebefe98b47e17f4a8775eb042f9ed

  • SHA256

    1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0

  • SHA512

    b8e0bb897dad7d2bfa033f4752a356b46baf824bd502b766a8901abc5a9bc61f57856b92271b73acc3034df63ca2665f87246296073cb183108cdc375aaac846

Score
10/10

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.

  • 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe
    "C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe
      "C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3888
    • 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\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:3332
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe

      Filesize

      320KB

      MD5

      4a30268b139df804cc85add123fd734e

      SHA1

      5b48f2af4eaebefe98b47e17f4a8775eb042f9ed

      SHA256

      1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0

      SHA512

      b8e0bb897dad7d2bfa033f4752a356b46baf824bd502b766a8901abc5a9bc61f57856b92271b73acc3034df63ca2665f87246296073cb183108cdc375aaac846

    • C:\Users\Admin\AppData\Local\Temp\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0\1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0.exe

      Filesize

      320KB

      MD5

      4a30268b139df804cc85add123fd734e

      SHA1

      5b48f2af4eaebefe98b47e17f4a8775eb042f9ed

      SHA256

      1c8be3d17e18198dcda5c576f948ae23a5988e22aad3073a1a6739d5f9ed7ec0

      SHA512

      b8e0bb897dad7d2bfa033f4752a356b46baf824bd502b766a8901abc5a9bc61f57856b92271b73acc3034df63ca2665f87246296073cb183108cdc375aaac846

    • memory/2224-130-0x0000000074B90000-0x0000000075141000-memory.dmp

      Filesize

      5.7MB

    • memory/2224-136-0x0000000074B90000-0x0000000075141000-memory.dmp

      Filesize

      5.7MB

    • memory/3888-137-0x0000000074B90000-0x0000000075141000-memory.dmp

      Filesize

      5.7MB

    • memory/3888-138-0x0000000074B90000-0x0000000075141000-memory.dmp

      Filesize

      5.7MB