Analysis

  • max time kernel
    9s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:44

General

  • Target

    1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362.exe

  • Size

    1.5MB

  • MD5

    4bb315fbc47de30e0bb3f0f3551b4970

  • SHA1

    b60c0cc43d6255b70217875acff1ab7f7732a71f

  • SHA256

    1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362

  • SHA512

    cd16b6d52da9863f50432019c2028c5c1ea73cb1f3ec5f6e0a30a54af32aced27ef6c40395edc72ed69cbada85527eb81da09465cf427344566de80f6ac42fa9

Malware Config

Extracted

Family

darkcomet

Botnet

Runescape

C2

mrsnickers03.no-ip.biz:340

Mutex

DC_MUTEX-6ZFK11A

Attributes
  • gencode

    uNwew4gojxtu

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362.exe
    "C:\Users\Admin\AppData\Local\Temp\1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1652
    • C:\Users\Admin\AppData\Local\Temp\1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362.exe
      "C:\Users\Admin\AppData\Local\Temp\1cc3c44cb2987e697a2c4e3f2b48dfe5555b774dc86efcb06d15f64a9ab14362.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\XCNKJ.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1472
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "java" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDM\ichader.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1504
      • C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
        "C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\XCNKJ.bat
    MD5

    92353035f01403e26aa2ff51c3963238

    SHA1

    d13f167c73bfce23a2deab8ce7c4ce9f78759ff4

    SHA256

    2e72a8542f8f809bfb1e4adfb481c7c5e6dc00dda7970c74692ba8d83ea0a870

    SHA512

    74560e33477caae3c7bc13914e4ae3c6911bbcfe257b2833155c236a158db0aca17478beb9d97f648ff1ea566005260f511361771c74203195107f4e82cce7df

  • C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
  • C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
  • C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • \Users\Admin\AppData\Roaming\IDM\ichader.exe
  • \Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • \Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • \Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • \Users\Admin\AppData\Roaming\IDM\ichader.exe
    MD5

    8e143ac14b9ae196f70b51f597abab5f

    SHA1

    51070ebe93eee1df9e94f123c392b4580c406d56

    SHA256

    db6f5e17c3c07c2fe6a28f324c4caef78dd5bc572c39beab079b8903dcfc6db0

    SHA512

    4e9e17e0c8384105e857e69e501de659dbad7b52980b84571d7750059cc10c7c281de50191e26bffc1016ef513222dd0640d3410ccba14ee78ac735048178a5f

  • memory/844-25-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-2-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-16-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-18-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-17-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-19-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-22-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-23-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-24-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-3-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-26-0x0000000000638000-0x0000000000639000-memory.dmp
    Filesize

    4KB

  • memory/844-27-0x0000000000638000-0x0000000000639000-memory.dmp
    Filesize

    4KB

  • memory/844-29-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-28-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-30-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-9-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-10-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-4-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-8-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-11-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-7-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-5-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-13-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-6-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/844-12-0x0000000000636000-0x0000000000637000-memory.dmp
    Filesize

    4KB

  • memory/1108-95-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/1108-96-0x00000000004B5210-mapping.dmp
  • memory/1108-100-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/1108-102-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/1160-79-0x00000000002B8000-0x00000000002B9000-memory.dmp
    Filesize

    4KB

  • memory/1160-72-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-77-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-82-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-56-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-55-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-57-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-58-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-59-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-60-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-62-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-63-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-64-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-65-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-66-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-61-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-69-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-70-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-71-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-51-0x0000000000000000-mapping.dmp
  • memory/1160-75-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-76-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-78-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-83-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1160-80-0x00000000002B8000-0x00000000002B9000-memory.dmp
    Filesize

    4KB

  • memory/1160-81-0x00000000002B6000-0x00000000002B7000-memory.dmp
    Filesize

    4KB

  • memory/1472-43-0x0000000000000000-mapping.dmp
  • memory/1504-45-0x0000000000000000-mapping.dmp
  • memory/1652-33-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1652-31-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1652-36-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1652-32-0x000000000040B000-mapping.dmp
  • memory/1784-39-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1784-34-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1784-35-0x00000000004085D0-mapping.dmp
  • memory/1784-40-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1904-84-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1904-86-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1904-85-0x000000000040B000-mapping.dmp
  • memory/1944-89-0x00000000004085D0-mapping.dmp