Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 14:50

General

  • Target

    bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe

  • Size

    722KB

  • MD5

    bc845411145abbed32e005d155ea59b8

  • SHA1

    7b6d1989772f48e9bb434c7d3505da5d3c62963f

  • SHA256

    0c72e81bc83b1b6b7c7e9d0f17d65ba0d469b5e5035bb4b38aed6728947745b3

  • SHA512

    4e045a40f26a482d11a65e29befcf06d5f3bfa53265ee94990a467caf3e3c67c4faf4bfcedb14bc18cd6ef3c04e960a8428169bd023012cf9067d6151be72c29

  • SSDEEP

    12288:PcFUncJ54irus265GoqlDX1YH0COI+w7Ror6PpGg+l2K3RYUO6/f76yECdj8V0:VnYnuRcBIoGblBhNj6y/r

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 6 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bc845411145abbed32e005d155ea59b8_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4484-24-0x0000000004BD0000-0x0000000005174000-memory.dmp

    Filesize

    5.6MB

  • memory/4484-38-0x0000000000A80000-0x0000000000A8A000-memory.dmp

    Filesize

    40KB

  • memory/4484-8-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-4-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-7-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-12-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-10-0x0000000000830000-0x000000000086C000-memory.dmp

    Filesize

    240KB

  • memory/4484-9-0x0000000000830000-0x000000000086C000-memory.dmp

    Filesize

    240KB

  • memory/4484-6-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-37-0x00000000009C0000-0x0000000000A10000-memory.dmp

    Filesize

    320KB

  • memory/4484-23-0x0000000000400000-0x0000000000485000-memory.dmp

    Filesize

    532KB

  • memory/4484-28-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/4484-27-0x0000000005990000-0x00000000059A8000-memory.dmp

    Filesize

    96KB

  • memory/4484-25-0x0000000004AE0000-0x0000000004B72000-memory.dmp

    Filesize

    584KB

  • memory/4484-26-0x0000000005300000-0x000000000539C000-memory.dmp

    Filesize

    624KB

  • memory/4604-0-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/4604-3-0x0000000002610000-0x0000000002611000-memory.dmp

    Filesize

    4KB

  • memory/4604-1-0x00000000022A0000-0x00000000022B0000-memory.dmp

    Filesize

    64KB

  • memory/4604-11-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB