Resubmissions

11-08-2024 16:27

240811-tx5jgs1hnc 10

11-08-2024 04:12

240811-espvxavbrl 10

Analysis

  • max time kernel
    18s
  • max time network
    23s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 16:27

General

  • Target

    88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe

  • Size

    804KB

  • MD5

    88f2ea17a90d31b673d1a54e25477756

  • SHA1

    ac58cdd1ca9ef4c33682d5403169d2d8e4116648

  • SHA256

    e37abad92404bba98bc23c66ae860cdf6a99d417f1ec32e86b4b6ea7dd5d61f9

  • SHA512

    3362e64ff382bd6f5aca75060df2ace3b987ab59f3ab38c2152bfec28b0efb36c9b32739aea374ad6c4f4125463ce174cef3f94e43e124faa0eeba302d2800d3

  • SSDEEP

    12288:DYBwvN79lQW+Xdan4vSSCLj5ggdZzyVNPrYZzfKsgRVNlMZt8K/bvHMtvk:DAwvN79lWNan42jO8sWLjolmtdMJk

Malware Config

Extracted

Family

darkcomet

Botnet

HydraAntivirüs

C2

127.0.0.1:1604

hydrahydra1907.zapto.org:1604

Mutex

DC_MUTEX-N3ACU05

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Bj3PNgEjTbH5

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

hydrahydra1907.zapto.org

Signatures

  • Darkcomet

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

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe"
    1⤵
    • Adds policy Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:720
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c netsh firewall set opmode disable
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set opmode disable
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4324
    • C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1920
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4976
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:4828
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3720
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2656
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:1572
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Adds policy Run key to start application
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2732
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c netsh firewall set opmode disable
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4696
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall set opmode disable
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1220
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Windows security modification
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:3980
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3676
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3812,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
    1⤵
      PID:4560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

      Filesize

      804KB

      MD5

      88f2ea17a90d31b673d1a54e25477756

      SHA1

      ac58cdd1ca9ef4c33682d5403169d2d8e4116648

      SHA256

      e37abad92404bba98bc23c66ae860cdf6a99d417f1ec32e86b4b6ea7dd5d61f9

      SHA512

      3362e64ff382bd6f5aca75060df2ace3b987ab59f3ab38c2152bfec28b0efb36c9b32739aea374ad6c4f4125463ce174cef3f94e43e124faa0eeba302d2800d3

    • memory/1572-11-0x0000000000860000-0x0000000000861000-memory.dmp

      Filesize

      4KB

    • memory/1920-7-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/1920-4-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/1920-8-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/1920-6-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/1920-5-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/1920-29-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/3676-35-0x00000000008F0000-0x00000000008F1000-memory.dmp

      Filesize

      4KB

    • memory/3980-33-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/3980-37-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/3980-36-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/3980-34-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB