Resubmissions

11-08-2024 16:27

240811-tx5jgs1hnc 10

11-08-2024 04:12

240811-espvxavbrl 10

Analysis

  • max time kernel
    16s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 46 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:2528
    • 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:1920
      • 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:456
    • C:\Users\Admin\AppData\Local\Temp\88f2ea17a90d31b673d1a54e25477756_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:716
      • 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:2848
        • 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:2688
      • 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:2864
        • 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:1692
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2900
      • 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:2780
        • 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:1096
          • 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:2952
        • 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:1772
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    804KB

    MD5

    88f2ea17a90d31b673d1a54e25477756

    SHA1

    ac58cdd1ca9ef4c33682d5403169d2d8e4116648

    SHA256

    e37abad92404bba98bc23c66ae860cdf6a99d417f1ec32e86b4b6ea7dd5d61f9

    SHA512

    3362e64ff382bd6f5aca75060df2ace3b987ab59f3ab38c2152bfec28b0efb36c9b32739aea374ad6c4f4125463ce174cef3f94e43e124faa0eeba302d2800d3

  • memory/716-14-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/716-16-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-22-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-24-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-25-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-23-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-18-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-9-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-6-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-11-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-13-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-26-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-4-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/716-65-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/1772-87-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/1772-86-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2900-29-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2900-48-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB