Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 22:37

General

  • Target

    0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe

  • Size

    381KB

  • MD5

    096ba81061b9b3b7936a4bd0dfb4c4aa

  • SHA1

    2fe63a93896d34bf9d99a5ff0463b64df7bca0cf

  • SHA256

    0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7

  • SHA512

    900c3708d10901b510cc17c818db33000e439e17c9c653d9cad4bd26eefe884d3a1e007991ba563eda7b0da820f4e14d123e07480dd9818d6ee873b2ac5835fe

  • SSDEEP

    6144:Gsf/8tS6zpoyWktBnmYAlcw0hvd96/LM69hMNyJwOf:GsX8AYFTtBmYKcD196/oySNyqOf

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 18 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\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe
    "C:\Users\Admin\AppData\Local\Temp\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe
      "C:\Users\Admin\AppData\Local\Temp\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:684
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\XVUYL.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1748
        • 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:956
      • 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:952
        • 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:584
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1712

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe

          Filesize

          381KB

          MD5

          096ba81061b9b3b7936a4bd0dfb4c4aa

          SHA1

          2fe63a93896d34bf9d99a5ff0463b64df7bca0cf

          SHA256

          0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7

          SHA512

          900c3708d10901b510cc17c818db33000e439e17c9c653d9cad4bd26eefe884d3a1e007991ba563eda7b0da820f4e14d123e07480dd9818d6ee873b2ac5835fe

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

          Filesize

          144B

          MD5

          517aa80e282d1f1a3ea764d1a5f32ed8

          SHA1

          990331d6b551d436d81f5aac0914b7ed7fa51136

          SHA256

          fc1c4d0d8ea5d27476e23c49b7dacd40cd9dac4763303ad838774984a2bdc81d

          SHA512

          caf370281540e19a15ac5a44204788525fb181f714bf396af2fc3f717e80c132e55e0a0db82e230c8469c29c3ab49f3a697dbb85141201405334b5420540abc7

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

        • \Users\Admin\AppData\Local\Temp\0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7.exe

          Filesize

          381KB

          MD5

          096ba81061b9b3b7936a4bd0dfb4c4aa

          SHA1

          2fe63a93896d34bf9d99a5ff0463b64df7bca0cf

          SHA256

          0a906f93430bea742fa7b463f5c44fd59359641b8ff7ffd17fad0aee6956d9f7

          SHA512

          900c3708d10901b510cc17c818db33000e439e17c9c653d9cad4bd26eefe884d3a1e007991ba563eda7b0da820f4e14d123e07480dd9818d6ee873b2ac5835fe

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

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

          Filesize

          381KB

          MD5

          37e5f85a00103f12fe599b63b482c184

          SHA1

          0f23c5f894f8c8e17c97013a44648c3b6edd1345

          SHA256

          0923743bbf216a4cebb7c4eb636d7c0d51c2076451b0b9de594c8c5802804848

          SHA512

          1d892f40f04d4193465a0821ea2bd86b351a08a8e50f6f1871a7dff035744bfc41dc671f0a16b6e19765c374a64808fb19e90c0b5246b25be489672f17719c0e

        • memory/584-110-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/584-115-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-69-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-62-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-59-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-73-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-72-0x0000000075241000-0x0000000075243000-memory.dmp

          Filesize

          8KB

        • memory/684-68-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-60-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-67-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-108-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/684-63-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/752-56-0x00000000005DF000-0x000000000061D000-memory.dmp

          Filesize

          248KB

        • memory/952-86-0x000000000059F000-0x00000000005DD000-memory.dmp

          Filesize

          248KB

        • memory/1712-103-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-97-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-106-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-102-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-99-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-111-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-112-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-114-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB

        • memory/1712-116-0x0000000000400000-0x00000000004BB000-memory.dmp

          Filesize

          748KB