Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 08:23

General

  • Target

    955026d0cce01ca24e370fc92b191388_JaffaCakes118.exe

  • Size

    290KB

  • MD5

    955026d0cce01ca24e370fc92b191388

  • SHA1

    a8ec01ebbc32e98c8d3b5e77046099a13568c2f3

  • SHA256

    8fa8658250cc2ad2d38231a4398bf4557e1696c9addfc8aa08d9acff15e09d80

  • SHA512

    07ad433cc4b7f55a42bcf892291e1b1f6b7e6c5900458aeb49c3d732ee405f3469f52151248dd11f53cf7b685a8be1072a0eaef7457cef2ff9a1307e0b0c885f

  • SSDEEP

    6144:OgSEOvlo2IDz1gVMlsOjrf1uXrJCoazgu/YuJdZb/7xFz+hfiRhz5TeboX:OCOvlo2xVksOrfExu/Zxb/n8QHO+

Malware Config

Extracted

Family

latentbot

C2

emmanuelisay.zapto.org

Signatures

  • LatentBot

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\955026d0cce01ca24e370fc92b191388_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\955026d0cce01ca24e370fc92b191388_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Windows\SysWOW64\server.exe
      "C:\Windows\System32\server.exe"
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Windows\System32\melt.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3588
  • 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=4152,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4308 /prefetch:8
    1⤵
      PID:4928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\melt.bat

      Filesize

      128B

      MD5

      51840d4900dfa0b457cb4ad1f5fd5519

      SHA1

      8167f5a6f0ff29bc41c8de099ff6f52d4a2ccc24

      SHA256

      86f07478c6d8759139aa71231047df9023ec6fb83dc896c29ccaae3dcdcb5e3a

      SHA512

      20587e631f06da351b61aeec3a6ba351a4e2dbb285b056e7228095ad8f03ef286105d4da576892ee17f848d644b449b5752c24adc91afa7101a5bcb248d1e563

    • C:\Windows\SysWOW64\server.exe

      Filesize

      290KB

      MD5

      955026d0cce01ca24e370fc92b191388

      SHA1

      a8ec01ebbc32e98c8d3b5e77046099a13568c2f3

      SHA256

      8fa8658250cc2ad2d38231a4398bf4557e1696c9addfc8aa08d9acff15e09d80

      SHA512

      07ad433cc4b7f55a42bcf892291e1b1f6b7e6c5900458aeb49c3d732ee405f3469f52151248dd11f53cf7b685a8be1072a0eaef7457cef2ff9a1307e0b0c885f

    • memory/2828-13-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3992-11-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB