Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 03:44

General

  • Target

    297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe

  • Size

    381KB

  • MD5

    546c072b018550f4d7d0906a680fd3c0

  • SHA1

    7dd5804dc559699abc96d006c05579eed1f85abe

  • SHA256

    297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426

  • SHA512

    789263c911a0eb94de1125e3cb441476f25eb619d5d966781371e98695a523016c59766252cdd681f8f7bc085894a86213090a89ebf4dd6ef5a324db44fd5b57

  • SSDEEP

    6144:+sf/8tS6zpoyWktBnmYAlcw0hvd96/LM69hMNyJwOm:+sX8AYFTtBmYKcD196/oySNyqOm

Malware Config

Extracted

Family

darkcomet

Botnet

CC

C2

212.7.192.244:1337

Mutex

DC_MUTEX-8DTXF5E

Attributes
  • gencode

    lN8zNVYPTGKV

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
    "C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
      "C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RNBOW.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:812
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "TapNet" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe" /f
          4⤵
          • Adds Run key to start application
          PID:2020
      • C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
        "C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:920
        • C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
          "C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1168
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe

          Filesize

          381KB

          MD5

          546c072b018550f4d7d0906a680fd3c0

          SHA1

          7dd5804dc559699abc96d006c05579eed1f85abe

          SHA256

          297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426

          SHA512

          789263c911a0eb94de1125e3cb441476f25eb619d5d966781371e98695a523016c59766252cdd681f8f7bc085894a86213090a89ebf4dd6ef5a324db44fd5b57

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

          Filesize

          144B

          MD5

          517aa80e282d1f1a3ea764d1a5f32ed8

          SHA1

          990331d6b551d436d81f5aac0914b7ed7fa51136

          SHA256

          fc1c4d0d8ea5d27476e23c49b7dacd40cd9dac4763303ad838774984a2bdc81d

          SHA512

          caf370281540e19a15ac5a44204788525fb181f714bf396af2fc3f717e80c132e55e0a0db82e230c8469c29c3ab49f3a697dbb85141201405334b5420540abc7

        • C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • \Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe

          Filesize

          381KB

          MD5

          546c072b018550f4d7d0906a680fd3c0

          SHA1

          7dd5804dc559699abc96d006c05579eed1f85abe

          SHA256

          297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426

          SHA512

          789263c911a0eb94de1125e3cb441476f25eb619d5d966781371e98695a523016c59766252cdd681f8f7bc085894a86213090a89ebf4dd6ef5a324db44fd5b57

        • \Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • \Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • \Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • \Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • \Users\Admin\AppData\Roaming\tapinterface\tap.exe

          Filesize

          381KB

          MD5

          54c1b78ad08f7021e76f924b8566933a

          SHA1

          25c1d754c0013fc81a11075b64affef6950bc10a

          SHA256

          67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489

          SHA512

          38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e

        • memory/576-68-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-59-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-72-0x00000000762B1000-0x00000000762B3000-memory.dmp

          Filesize

          8KB

        • memory/576-108-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-71-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-60-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-67-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-63-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/576-62-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/920-85-0x000000000058F000-0x00000000005CD000-memory.dmp

          Filesize

          248KB

        • memory/1168-103-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1168-114-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/1520-104-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-101-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-100-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-105-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-107-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-111-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-112-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-113-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1520-115-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1976-56-0x00000000008CF000-0x000000000090D000-memory.dmp

          Filesize

          248KB