Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28-07-2024 03:56

General

  • Target

    47fcd83ce2b013158b3d836c1c0f9400N.exe

  • Size

    324KB

  • MD5

    47fcd83ce2b013158b3d836c1c0f9400

  • SHA1

    90938cd42c1c07ecdcb60eb75c62bd01439eeb9d

  • SHA256

    d93cae682a4b9bbde68d66031951a608daa6b7ff31cae6facb5d9e7022055778

  • SHA512

    07aee1293706a221b26efb951f36914bdfd5440c9963d4e88e7759917fd17100fdb3af1f69156c9b7300a5b18a95f2634cc5d097f0ff3809b109ad5f0642c6cb

  • 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\47fcd83ce2b013158b3d836c1c0f9400N.exe
    "C:\Users\Admin\AppData\Local\Temp\47fcd83ce2b013158b3d836c1c0f9400N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\47fcd83ce2b013158b3d836c1c0f9400N.exe
      "C:\Users\Admin\AppData\Local\Temp\47fcd83ce2b013158b3d836c1c0f9400N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LKXEO.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2288
        • 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:2756
      • 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:2732
        • 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:2772
        • 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:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    144B

    MD5

    1967df2848438f32a1572914428221ae

    SHA1

    cd88b3e8351f3685c22a2db7f67e5b9b2777fa13

    SHA256

    1236575bc8ddb8a9e4509ce7491a67ca57c14c9f1a5bed19e23e4bd721a99574

    SHA512

    b16afa9bd878c4ddfccc6765c25e2774e3e1b9a65c06f18de1a048ea73e110aa41ffd4fb0d24ce3c13c792766e273459b3217a0275ea652646b648d9c6bf6dd3

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

    Filesize

    324KB

    MD5

    b7927c87696db3e947bcf1548eadb921

    SHA1

    79df6a5e419a7a0de91ef209d7fba196e978b5d2

    SHA256

    95ce787f711d7fa6d0678386489383976c3fd21423e93b251f0f8c57163ef184

    SHA512

    0f7941898f8ea29a3d2f8eb617c29171c463cd18fe1e3c33577d57f08d2c9dc2657885bb9925db5f0d5c7b6f0da7999aedc8a4fdf25dc13bccdb18247dbb8606

  • memory/2064-8-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-16-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-20-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-15-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2064-7-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-4-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2064-90-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2232-17-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2232-2-0x000000000044D000-0x000000000044E000-memory.dmp

    Filesize

    4KB

  • memory/2232-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2628-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-106-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-86-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-79-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-82-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-88-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-116-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-92-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-91-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-114-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-94-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-95-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-97-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-112-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-99-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-100-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-102-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-104-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-108-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2628-110-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2732-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2732-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2772-96-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB