Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 01:18

General

  • Target

    46dd4bd57b1a79b0cd006e9157c909f0N.exe

  • Size

    324KB

  • MD5

    46dd4bd57b1a79b0cd006e9157c909f0

  • SHA1

    c2b18df0be98864ce174846cdeed8b22d37cf943

  • SHA256

    2198b1e583ed283cedcd9e5d4031d905400fff6e52fb54fe129094524aa588b3

  • SHA512

    e069d5bb65df3c21f5e595ca2351ab35c833aa8e52e549890f53882d8c3c7a312511a6656c85f2eee2479d8d1811b52aa80b2394495b79a7ddb66950428257ca

  • 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\46dd4bd57b1a79b0cd006e9157c909f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\46dd4bd57b1a79b0cd006e9157c909f0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Users\Admin\AppData\Local\Temp\46dd4bd57b1a79b0cd006e9157c909f0N.exe
      "C:\Users\Admin\AppData\Local\Temp\46dd4bd57b1a79b0cd006e9157c909f0N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EIYWF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2832
        • 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:2868
      • 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:3004
        • 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:2080
        • 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:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    144B

    MD5

    1967df2848438f32a1572914428221ae

    SHA1

    cd88b3e8351f3685c22a2db7f67e5b9b2777fa13

    SHA256

    1236575bc8ddb8a9e4509ce7491a67ca57c14c9f1a5bed19e23e4bd721a99574

    SHA512

    b16afa9bd878c4ddfccc6765c25e2774e3e1b9a65c06f18de1a048ea73e110aa41ffd4fb0d24ce3c13c792766e273459b3217a0275ea652646b648d9c6bf6dd3

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

    Filesize

    324KB

    MD5

    4fe5af5dc1af33bd190391195b0c73b2

    SHA1

    2989538eef0f629f3275afd83ad93a51da482cb4

    SHA256

    bc59d0b9db54ba2e8d3ef50800d38cfa102549d0bb57bfd645f09a1047726ce9

    SHA512

    f682ac515e05d7a7fdb55ac3d1109b5677d55bb5c93f9632ccacc365e0e8f382f3f7eca4a8003e78b034dd5384c4c6241e4843669d66d4f8529d679f7d200804

  • memory/904-16-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/904-2-0x000000000044D000-0x000000000044E000-memory.dmp

    Filesize

    4KB

  • memory/904-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1780-100-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-118-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-116-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-114-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-112-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-110-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-108-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-106-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-104-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-95-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-84-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-102-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-98-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-77-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-80-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-92-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-94-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-93-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1780-96-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2080-97-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3004-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3004-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3060-4-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-89-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-18-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-6-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-8-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3060-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-15-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3060-17-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB