Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    29-07-2024 23:51

General

  • Target

    925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35.exe

  • Size

    324KB

  • MD5

    7a818afd49b8d5f2da89797e113f3003

  • SHA1

    060a96b386f8e347a175c93cad3dd606e607c9eb

  • SHA256

    925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35

  • SHA512

    b62207b148aa3f8f558fae8ad392aabfe67b55a07ee9f315c1da9ae8eee0be5b45344165db03d09aebca243f35948c2b19c7d0fe47407c50ab8c95291f796852

  • 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 29 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\925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35.exe
    "C:\Users\Admin\AppData\Local\Temp\925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35.exe
      "C:\Users\Admin\AppData\Local\Temp\925e94c05a473aec0cc87d5ecbffbd6556246617e7f7984af5cc3eec56983c35.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HJWXE.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2752
        • 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:2700
      • 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:2924
        • 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:2548
        • 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:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    144B

    MD5

    1967df2848438f32a1572914428221ae

    SHA1

    cd88b3e8351f3685c22a2db7f67e5b9b2777fa13

    SHA256

    1236575bc8ddb8a9e4509ce7491a67ca57c14c9f1a5bed19e23e4bd721a99574

    SHA512

    b16afa9bd878c4ddfccc6765c25e2774e3e1b9a65c06f18de1a048ea73e110aa41ffd4fb0d24ce3c13c792766e273459b3217a0275ea652646b648d9c6bf6dd3

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

    Filesize

    324KB

    MD5

    e9a867ec98f92faa07850f654e11c23a

    SHA1

    b757c5a85180e435db8a2a918a939a2c23b329ef

    SHA256

    18b657be555f999d5cdeedc3e8aec580793587bb3d1924ae2c6b6869fdab6f60

    SHA512

    f1333e13c8f44f392c8f1d462fe55cf665060a974a84f0be42053de60ac5314f71a97b3fe3b50f6f18b08e3c7501ca8eb5841d3f01e8c34280815a87c36aeee7

  • memory/2360-18-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-87-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-17-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-13-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-15-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2360-9-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-7-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2360-5-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2548-96-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2924-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2924-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2988-16-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2988-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2988-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2988-2-0x000000000044D000-0x000000000044E000-memory.dmp

    Filesize

    4KB

  • memory/3004-92-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-97-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-94-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-91-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-95-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-82-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-79-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-76-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-93-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-99-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-101-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-103-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-105-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-107-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-109-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-111-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-113-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-115-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/3004-117-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB