Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22/01/2022, 01:14

General

  • Target

    a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe

  • Size

    455KB

  • MD5

    601b14f244f7ff8d4a9ca45cec3a4d0c

  • SHA1

    e247d7df8b88050a7345e108957c6b616c81fbe0

  • SHA256

    a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a

  • SHA512

    429f8c00669007a115a40e08672097d9340ab191e548a66c81d38cd315679ddef9ab7ddb4fad6e007ab8ffb09c9c1bb75ebeb4793092b9a99cd35d37e84b8c92

Malware Config

Signatures

  • Imminent RAT

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 10 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe
    "C:\Users\Admin\AppData\Local\Temp\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe
      "C:\Users\Admin\AppData\Local\Temp\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Windows\SysWOW64\Taskmgr.exe
        "C:\Windows\System32\Taskmgr.exe"
        3⤵
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3564
    • 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\a3fb704316fcbb49fb9182c619ebaa2243f3c2ccd6ee17b3c0bca587074c4c8a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1028-118-0x0000000000B00000-0x0000000000C4A000-memory.dmp

    Filesize

    1.3MB

  • memory/2708-115-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

    Filesize

    4KB