Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 17:50

General

  • Target
    dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe
  • Size 272KB
  • Sample221122-wev87sbh42
  • SHA256 dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a
  • MD5 SHA1 SHA512 SSDEEP

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe
    "C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe
      "C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.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:1808
    • 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\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:1912

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe

        • Path C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe
        • Size 272KB
        • SHA256 dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a
        • MD5 SHA1 SHA512 SSDEEP

        dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe

        • Path C:\Users\Admin\AppData\Local\Temp\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a\dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a.exe
        • Size 272KB
        • SHA256 dfd5a647b5c4957bcaef5054b1241dbd0c2c0213c1810e7417242750a081c21a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1808-139-0x0000000074AB0000-0x0000000075061000-memory.dmp

        memory/1808-140-0x0000000074AB0000-0x0000000075061000-memory.dmp

        memory/4756-132-0x0000000074AB0000-0x0000000075061000-memory.dmp

        memory/4756-137-0x0000000074AB0000-0x0000000075061000-memory.dmp