Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 04:13

General

  • Target

    94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19.exe

  • Size

    1.7MB

  • MD5

    7526bbadfc1a45ff7bbb10d9f6607116

  • SHA1

    df6a5241e003e6a13334836409505647cc3af3ef

  • SHA256

    94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19

  • SHA512

    d75c3cdbec06374c6e89ca75ba29513cc55387c7a46732649fb8d571cc2d0374110bd9e0b4955f66b2cfc9634005996eba3c2a250d262e2267baed45d575dba9

  • SSDEEP

    24576:qMyptg5dkAmL8jyLQLNW0yzotcSHVZwMz8gkyJ8fPe:3te3e

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

anthraxgold.no-ip.info:666

Mutex

DC_MUTEX-169BEXQ

Attributes
  • gencode

    M6QvjZgri1v2

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 6 IoCs

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

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19.exe
    "C:\Users\Admin\AppData\Local\Temp\94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19.exe
      "C:\Users\Admin\AppData\Local\Temp\94cbafbad18227e619e73ee95ab4b97b1a4979e47695c0b06d8950c213c4ad19.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\IJGPB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:1256
      • C:\Users\Admin\AppData\Roaming\test\test.exe
        "C:\Users\Admin\AppData\Roaming\test\test.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:668
        • C:\Users\Admin\AppData\Roaming\test\test.exe
          "C:\Users\Admin\AppData\Roaming\test\test.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1400
        • C:\Users\Admin\AppData\Roaming\test\test.exe
          "C:\Users\Admin\AppData\Roaming\test\test.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2820

Network

  • flag-us
    DNS
    anthraxgold.no-ip.info
    test.exe
    Remote address:
    8.8.8.8:53
    Request
    anthraxgold.no-ip.info
    IN A
    Response
No results found
  • 8.8.8.8:53
    anthraxgold.no-ip.info
    dns
    test.exe
    68 B
    128 B
    1
    1

    DNS Request

    anthraxgold.no-ip.info

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    138B

    MD5

    527683c48cc4c7190219814c77b72fe0

    SHA1

    d995878a8f4b9824a0508039eeada5376be9a52d

    SHA256

    bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

    SHA512

    408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

  • C:\Users\Admin\AppData\Roaming\test\test.exe

    Filesize

    1.7MB

    MD5

    8fd0c103d25043b2b245f3663cb47a9c

    SHA1

    858a70c83ba74753df68fca2a01fb1a5dffa8ce6

    SHA256

    b8da5c88a13992a0cc288cc9565aa31a551a68aad80ed7c8f60972912f1f789e

    SHA512

    47d0fe85fad64f06508e596790f40a3cbcfbc9a195ddbce3441ed871b8c72ccdb86972db1a1ff33d20f16b313aaf0fe9ebd9e50e49e05ac11d1c14ff085bac40

  • memory/1400-460-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1400-441-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2704-19-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

    Filesize

    4KB

  • memory/2704-100-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2704-63-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2704-13-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2704-53-0x0000000002630000-0x0000000002631000-memory.dmp

    Filesize

    4KB

  • memory/2704-45-0x0000000002E70000-0x0000000002E71000-memory.dmp

    Filesize

    4KB

  • memory/2704-41-0x00000000006F0000-0x00000000007F0000-memory.dmp

    Filesize

    1024KB

  • memory/2704-37-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2704-35-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2704-33-0x0000000002C90000-0x0000000002C91000-memory.dmp

    Filesize

    4KB

  • memory/2704-31-0x0000000002C90000-0x0000000002C91000-memory.dmp

    Filesize

    4KB

  • memory/2704-29-0x0000000002900000-0x0000000002901000-memory.dmp

    Filesize

    4KB

  • memory/2704-27-0x0000000002900000-0x0000000002901000-memory.dmp

    Filesize

    4KB

  • memory/2704-25-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

    Filesize

    4KB

  • memory/2704-23-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

    Filesize

    4KB

  • memory/2704-21-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

    Filesize

    4KB

  • memory/2704-0-0x0000000000400000-0x000000000054B000-memory.dmp

    Filesize

    1.3MB

  • memory/2704-15-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2704-61-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2704-73-0x00000000028E0000-0x00000000028E1000-memory.dmp

    Filesize

    4KB

  • memory/2704-5-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2704-7-0x0000000002940000-0x0000000002941000-memory.dmp

    Filesize

    4KB

  • memory/2704-3-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2704-143-0x00000000035D0000-0x00000000035D1000-memory.dmp

    Filesize

    4KB

  • memory/2704-135-0x0000000002A30000-0x0000000002A31000-memory.dmp

    Filesize

    4KB

  • memory/2704-127-0x0000000002890000-0x0000000002891000-memory.dmp

    Filesize

    4KB

  • memory/2704-119-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

    Filesize

    4KB

  • memory/2704-109-0x00000000035F0000-0x00000000035F1000-memory.dmp

    Filesize

    4KB

  • memory/2704-101-0x0000000002DB0000-0x0000000002DB1000-memory.dmp

    Filesize

    4KB

  • memory/2704-9-0x0000000002940000-0x0000000002941000-memory.dmp

    Filesize

    4KB

  • memory/2704-81-0x00000000026A0000-0x00000000026A1000-memory.dmp

    Filesize

    4KB

  • memory/2704-91-0x0000000002A40000-0x0000000002A41000-memory.dmp

    Filesize

    4KB

  • memory/2704-99-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2732-454-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2732-210-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-451-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2820-463-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

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