Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    28-07-2024 20:03

General

  • Target

    27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb.exe

  • Size

    324KB

  • MD5

    570fe4fb06f3fff1d46ad7eeb3f156c3

  • SHA1

    e613c9164ce5e03ba9d5cdf8389d5a9b11d4f132

  • SHA256

    27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb

  • SHA512

    e321a3ad01b919bd0e31b204b4cadf364076b40624e649130bc150bc2f35460e7ad7ffccfb1bb24db1738866841bdcc0ab4d29932e2ec6ab7c8c216c20aa75df

  • SSDEEP

    6144:cvhFCYZdP5aHNn1s7C+3S4R5wQrV/YbZwZ3ssu4eqswN8s1Pf4NAGy5uRyXR6P+R:TQdwHNn1OCN4MQEZwUqsA

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

betclock.zapto.org:35000

Mutex

DC_MUTEX-LCQCVNZ

Attributes
  • gencode

    MGDU5FhLNYez

  • install

    false

  • offline_keylogger

    true

  • password

    0123456789

  • persistence

    false

Signatures

  • Darkcomet

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 30 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb.exe
    "C:\Users\Admin\AppData\Local\Temp\27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb.exe
      "C:\Users\Admin\AppData\Local\Temp\27d98f3fcddf6c70273510a771369d1ecea614ed54a08422bfce9ba9de1934eb.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BEUQR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2208
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Support GFX" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2864
      • C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe
        "C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2860
        • C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe
          "C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2768
        • C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe
          "C:\Users\Admin\AppData\Roaming\Xpers\Gpers.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BEUQR.bat

    Filesize

    144B

    MD5

    1967df2848438f32a1572914428221ae

    SHA1

    cd88b3e8351f3685c22a2db7f67e5b9b2777fa13

    SHA256

    1236575bc8ddb8a9e4509ce7491a67ca57c14c9f1a5bed19e23e4bd721a99574

    SHA512

    b16afa9bd878c4ddfccc6765c25e2774e3e1b9a65c06f18de1a048ea73e110aa41ffd4fb0d24ce3c13c792766e273459b3217a0275ea652646b648d9c6bf6dd3

  • \Users\Admin\AppData\Roaming\Xpers\Gpers.exe

    Filesize

    324KB

    MD5

    f634ca78798e321789b11f45cf2d4c8d

    SHA1

    d6041cb2be3960e94270d6535b74d09d7ca082e6

    SHA256

    2df7e9ed27e74bf2e29db39729209737d2f5748609f0bf6cc9c240ab9ee00df2

    SHA512

    84cabce0948800a7a1a6a30bbb2d8ec1a0f0d3fbcfbcc5573cc97d771ea4ea0f32084cb4419feb91b729d87c26e497bc7d48c3aa00d49347555e1ecdc4524cb9

  • memory/2096-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2096-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-16-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-8-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-6-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-17-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-18-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-19-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-4-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-88-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2508-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2508-2-0x000000000044D000-0x000000000044E000-memory.dmp

    Filesize

    4KB

  • memory/2508-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2716-96-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-108-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-77-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-76-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-95-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-94-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-93-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-92-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-118-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-87-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-116-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-114-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-98-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-100-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-102-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-104-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-106-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-81-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-110-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2716-112-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2768-97-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2860-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2860-62-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB