Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 21:11

General

  • Target

    d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f.exe

  • Size

    800KB

  • MD5

    962b6297bfe02e597197fc3d104558f0

  • SHA1

    1cf73f2d2e62f6076466bc8dbeed93aaa44643ca

  • SHA256

    d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f

  • SHA512

    85d663827c02c509705e2a689bf520fdd0b82d68e2f3e9cf0fe9b1b239425685c37636ce9fc74412630b668dc80fba8a1c13dc7bbaec40af0bc90aade95616fb

  • SSDEEP

    12288:qS1hFDxZFbhf3T/aBkuqyGunESWdXYwPaF4dDenvKv+Ie:1FPH7YkTvSWN5PI4M9I

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

185.84.181.81:100

Mutex

DC_MUTEX-0DKXA0V

Attributes
  • gencode

    M5VVBQQEtzRs

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Extracted

Family

pony

C2

http://lynch.herobo.com/pcss/gate.php

Signatures

  • Darkcomet

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

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f.exe
    "C:\Users\Admin\AppData\Local\Temp\d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\Desktop\#68858363.exe
      "C:\Users\Admin\Desktop\#68858363.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Users\Admin\Desktop\#68858363.exe
        "C:\Users\Admin\Desktop\#68858363.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_win_path
        PID:1012
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:992
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4480
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\BthHFSrv.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\BthHFSrv
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2344
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          4⤵
            PID:1312

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\NcbService.exe.log

      Filesize

      404B

      MD5

      15b6596d028baa2a113143d1828bcc36

      SHA1

      f1be43126c4e765fe499718c388823d44bf1fef1

      SHA256

      529f9fde2234067382b4c6fb8e5aee49d8a8b1b85c82b0bdae425fa2a0264f75

      SHA512

      f2a6cb8498f596c7bf9178ea32a245dbb3657f43a179f378ce952ce5cb8580810cd67ef1efb623bcf6cd796d74e2c9b7bc42cb8665ead397546ce3b400181e83

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\BthHFSrv.exe

      Filesize

      800KB

      MD5

      962b6297bfe02e597197fc3d104558f0

      SHA1

      1cf73f2d2e62f6076466bc8dbeed93aaa44643ca

      SHA256

      d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f

      SHA512

      85d663827c02c509705e2a689bf520fdd0b82d68e2f3e9cf0fe9b1b239425685c37636ce9fc74412630b668dc80fba8a1c13dc7bbaec40af0bc90aade95616fb

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\BthHFSrv.exe

      Filesize

      800KB

      MD5

      962b6297bfe02e597197fc3d104558f0

      SHA1

      1cf73f2d2e62f6076466bc8dbeed93aaa44643ca

      SHA256

      d615c2abea3b04bda1e19238670dd4487e38846ec04bf47c01ed7053b3d17a5f

      SHA512

      85d663827c02c509705e2a689bf520fdd0b82d68e2f3e9cf0fe9b1b239425685c37636ce9fc74412630b668dc80fba8a1c13dc7bbaec40af0bc90aade95616fb

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      9KB

      MD5

      48628262e75352bc581317d1a6c3a96d

      SHA1

      fb09a89eb6e51aac584b3866f6be347e32c8651e

      SHA256

      572f5216d3428ab7bdceb4761d7144bf9754f0b37dcad1f5c649b7220d464da8

      SHA512

      4278fb2ce5523e2cc791c775886c8b0c0ed2417bb12f55445f61cd6520559ba2a929009b591aaafdb207e340bc63fecd8b33c10fe30f2d14d48e4c655f82aaf8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      9KB

      MD5

      48628262e75352bc581317d1a6c3a96d

      SHA1

      fb09a89eb6e51aac584b3866f6be347e32c8651e

      SHA256

      572f5216d3428ab7bdceb4761d7144bf9754f0b37dcad1f5c649b7220d464da8

      SHA512

      4278fb2ce5523e2cc791c775886c8b0c0ed2417bb12f55445f61cd6520559ba2a929009b591aaafdb207e340bc63fecd8b33c10fe30f2d14d48e4c655f82aaf8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      9KB

      MD5

      48628262e75352bc581317d1a6c3a96d

      SHA1

      fb09a89eb6e51aac584b3866f6be347e32c8651e

      SHA256

      572f5216d3428ab7bdceb4761d7144bf9754f0b37dcad1f5c649b7220d464da8

      SHA512

      4278fb2ce5523e2cc791c775886c8b0c0ed2417bb12f55445f61cd6520559ba2a929009b591aaafdb207e340bc63fecd8b33c10fe30f2d14d48e4c655f82aaf8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\NcbService.exe

      Filesize

      9KB

      MD5

      48628262e75352bc581317d1a6c3a96d

      SHA1

      fb09a89eb6e51aac584b3866f6be347e32c8651e

      SHA256

      572f5216d3428ab7bdceb4761d7144bf9754f0b37dcad1f5c649b7220d464da8

      SHA512

      4278fb2ce5523e2cc791c775886c8b0c0ed2417bb12f55445f61cd6520559ba2a929009b591aaafdb207e340bc63fecd8b33c10fe30f2d14d48e4c655f82aaf8

    • C:\Users\Admin\Desktop\#68858363.exe

      Filesize

      252KB

      MD5

      b5650bec1d01746d75e461ef2dc85630

      SHA1

      2ba8dc54781ae6b70c084eb799dce114ef861f4d

      SHA256

      0647f8e4204684f97500ee4ac84e0e99d666b7f14aa199e5fc6427b6b39b0ea2

      SHA512

      77ec6763d338cabff95835f6ca26d45c9ada0546cde8ce3a1a712aa13ce35b1773e0087cd9af9b73583eff70ab024a5d624b8394e55dbcdb4fa895bd1b23a6e3

    • C:\Users\Admin\Desktop\#68858363.exe

      Filesize

      252KB

      MD5

      b5650bec1d01746d75e461ef2dc85630

      SHA1

      2ba8dc54781ae6b70c084eb799dce114ef861f4d

      SHA256

      0647f8e4204684f97500ee4ac84e0e99d666b7f14aa199e5fc6427b6b39b0ea2

      SHA512

      77ec6763d338cabff95835f6ca26d45c9ada0546cde8ce3a1a712aa13ce35b1773e0087cd9af9b73583eff70ab024a5d624b8394e55dbcdb4fa895bd1b23a6e3

    • C:\Users\Admin\Desktop\#68858363.exe

      Filesize

      252KB

      MD5

      b5650bec1d01746d75e461ef2dc85630

      SHA1

      2ba8dc54781ae6b70c084eb799dce114ef861f4d

      SHA256

      0647f8e4204684f97500ee4ac84e0e99d666b7f14aa199e5fc6427b6b39b0ea2

      SHA512

      77ec6763d338cabff95835f6ca26d45c9ada0546cde8ce3a1a712aa13ce35b1773e0087cd9af9b73583eff70ab024a5d624b8394e55dbcdb4fa895bd1b23a6e3

    • memory/992-163-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/992-172-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/1012-162-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/1012-156-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/1012-164-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/1012-153-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/1240-148-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/1240-151-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/1312-169-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/2128-149-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/2128-132-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/2344-150-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/2344-171-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/4424-140-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/4424-161-0x0000000074B50000-0x0000000075101000-memory.dmp

      Filesize

      5.7MB

    • memory/4480-139-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/4480-138-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/4480-170-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/4480-137-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/4480-144-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB