Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18/12/2020, 08:55

General

  • Target
    742d0fbf067bf70bb3857d52e32a14ee.exe
  • Size 1014KB
  • Sample201218-vtgg9wae86
  • SHA256 00a43037570aef0f977589fa679bf79627d04890fabfca6c19ae2c2f851ef289
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • remcos

C2
  • dominoduck2102.duckdns.org:9403

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Blocklisted process makes network request 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 81 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\742d0fbf067bf70bb3857d52e32a14ee.exe
    "C:\Users\Admin\AppData\Local\Temp\742d0fbf067bf70bb3857d52e32a14ee.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\extrac32.exe
      "C:\Windows\system32\extrac32.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Blocklisted process makes network request
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:672

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/672-4-0x0000000000400000-0x0000000000420000-memory.dmp