Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    30-07-2024 19:30

General

  • Target

    1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde.exe

  • Size

    324KB

  • MD5

    32b849828ee6e240d562771b7e09fdcd

  • SHA1

    2c701b47a58399459686bc9d3591f35d9bfcc001

  • SHA256

    1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde

  • SHA512

    064c1d215ced3da9539efc13076c04b8341b15a2e48f861fb73d7b5f5054a3fa3789ff9afdeaa2014a3f1b15d52d976fb582b4013aa716ba01ac56c46f783420

  • 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 28 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\1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde.exe
    "C:\Users\Admin\AppData\Local\Temp\1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde.exe
      "C:\Users\Admin\AppData\Local\Temp\1d0e911fab58ded2be33b6fe01bd49754dc45fa3564b61a93078b872ee0a1dde.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LKXEN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2936
        • 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:2592
      • 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:2720
        • 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:1148
        • 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:1528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    144B

    MD5

    1967df2848438f32a1572914428221ae

    SHA1

    cd88b3e8351f3685c22a2db7f67e5b9b2777fa13

    SHA256

    1236575bc8ddb8a9e4509ce7491a67ca57c14c9f1a5bed19e23e4bd721a99574

    SHA512

    b16afa9bd878c4ddfccc6765c25e2774e3e1b9a65c06f18de1a048ea73e110aa41ffd4fb0d24ce3c13c792766e273459b3217a0275ea652646b648d9c6bf6dd3

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

    Filesize

    324KB

    MD5

    ef9467269ddd55abe588ac4d350460e2

    SHA1

    42575cf04f67d86df25c12a44e408bf8a602cbfe

    SHA256

    be780a1931803df6729cd6b7ae095ad1157880ec219f164e21998d5b7895adfa

    SHA512

    08b5331a196eeae9b9f704c149a26461718a7d26d580c2dba8064db68a0b8efe17656a00b6c1a51bbf144a2ffdbc5c53f8511ddfd88a9c44bb650a0e7403f773

  • memory/1148-94-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1528-95-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-113-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-115-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-111-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-109-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-89-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-93-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-107-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-105-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-103-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-101-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-82-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-78-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-92-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-99-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-97-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-90-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1528-91-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2372-2-0x000000000044D000-0x000000000044E000-memory.dmp

    Filesize

    4KB

  • memory/2372-15-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2372-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2688-4-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-16-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-6-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-17-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-87-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2688-8-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2720-60-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2720-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB