Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-01-2021 07:21

General

  • Target

    090000090000-090.exe

  • Size

    181KB

  • MD5

    8e30502bf5d0d0f2c3a7b61903027beb

  • SHA1

    fba36fc112c0ace8c4261317a49988959464adb9

  • SHA256

    bce5cf4569147481b12df6d6448ecc1604a5ca28b76c49095b899f934f63cdfa

  • SHA512

    ae7a09f73a900667ac5f388aef54758f9bef8edcb4606f42ffc25e9a0f3f9347bdbd3b1e591805a3c979ceb2f61b9a6aa48c1c0f1ac1e2c7d7c71a066c7d9177

Score
10/10

Malware Config

Extracted

Family

remcos

C2

45.137.22.52:8780

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\090000090000-090.exe
    "C:\Users\Admin\AppData\Local\Temp\090000090000-090.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\51c2529e4b974635af59686677a975e8.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\51c2529e4b974635af59686677a975e8.xml"
        3⤵
        • Creates scheduled task(s)
        PID:1268
    • C:\Users\Admin\AppData\Local\Temp\090000090000-090.exe
      "C:\Users\Admin\AppData\Local\Temp\090000090000-090.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1368

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\51c2529e4b974635af59686677a975e8.xml

    MD5

    a035055e1c80bc652520df45650c690f

    SHA1

    37b8364ad46e17199eb5a7ee89bb506bba384adb

    SHA256

    2b9948d34674d0fc0f9cb290da8298441b56205f6e341e3cfa1954df42c2b655

    SHA512

    678279d1bfc8a71c27a5a2c3afa5fd266882a62610863a3e4ebc2489f17827ed4c680c89e6b8b52621320500294d2df9888259ccdc5d38def43e739c1f325fc1

  • memory/1268-3-0x0000000000000000-mapping.dmp

  • memory/1368-5-0x000000000040FD88-mapping.dmp

  • memory/1368-4-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1368-6-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1724-2-0x0000000000000000-mapping.dmp