Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 09:36

General

  • Target

    c4bd87c3284cab7b4a4d4039af0f933e_JaffaCakes118.exe

  • Size

    428KB

  • MD5

    c4bd87c3284cab7b4a4d4039af0f933e

  • SHA1

    f99fbf47be97d05942aaa7de443ee60d1fde7c30

  • SHA256

    55caca52abf37a49b12a02e66216185dce838bb0222921647148ee495c1d1c08

  • SHA512

    8d8ba14128507d03cf67c88b676763038bb631579ba981ba43e83e807c6250ea6ca3e5d1db30f2e4162515236b0f4940a08100b511a78ccced8506d11ae6accd

  • SSDEEP

    12288:B7tb3KcX80ljcF82LnZ84bd4zRrnKorz:dtmOjYZdbdilj

Malware Config

Extracted

Family

latentbot

C2

cheloulenoir.zapto.org

Signatures

  • LatentBot

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

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4bd87c3284cab7b4a4d4039af0f933e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c4bd87c3284cab7b4a4d4039af0f933e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe
      "C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3540
      • C:\Users\Admin\AppData\Roaming\WinSec.exe
        C:\Users\Admin\AppData\Roaming\WinSec.exe
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4956
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3876
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1148
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1072
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2900
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:232
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\TIEGHZKC55.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\TIEGHZKC55.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:920
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\TIEGHZKC55.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\TIEGHZKC55.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TIEGHZKC55.exe

    Filesize

    276KB

    MD5

    441d047bd699525d4e3268e25e16e1b8

    SHA1

    65d9070ef5ba0f8dea0face8f3a2c8525111d63e

    SHA256

    cbbf088b87bb798c35e955281026571835656d25c75aa6a994b9fb89e6070bfe

    SHA512

    3717bcf2e929da78b8b1b62e78f81a7171c050ea0fa948f587a7a2ab02a32446d573c613f019df6206461aa7fdc6b4b6fc15a0ce9f58a5438e0b319ed46d7a28

  • C:\Users\Admin\AppData\Roaming\WinSec.exe

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Roaming\WinSec.exe

    Filesize

    34KB

    MD5

    e118330b4629b12368d91b9df6488be0

    SHA1

    ce90218c7e3b90df2a3409ec253048bb6472c2fd

    SHA256

    3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

    SHA512

    ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

  • memory/2196-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/2196-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/2196-16-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/2196-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

    Filesize

    4KB

  • memory/3540-27-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/3540-17-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/3540-18-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-35-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-44-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-22-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-36-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-37-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-40-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-41-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-28-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-49-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-59-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-62-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-66-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-72-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4956-79-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB