Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    25/07/2024, 18:30

General

  • Target

    70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe

  • Size

    36KB

  • MD5

    70becffdf2b12b7ec3d53c0fcca1630e

  • SHA1

    53500e57ac7861db5b568eab373a1ed70eeeaf87

  • SHA256

    963a84dcdddcdd37455c9eb1c1bf28a19543af6b06e5ad38cc01fdf95112a82b

  • SHA512

    4397b77ff68a94e05a64d96125992d08f9a508e65801e924794f3d531cb929e072e6742e6df3349e0de62d274ee5de5cb0a510a4687c3af50ada1d0888eaa2e4

  • SSDEEP

    768:57M53+uR7IalxCNYX5LDLexCGGUewvApVBukfIGt96pxHc:57a3TuamNY9DLGFYXBF96pS

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\70becffdf2b12b7ec3d53c0fcca1630e_JaffaCakes118.exe"
    1⤵
    • Adds policy Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\csrss.exe
      "C:\Windows\csrss.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\csrss.exe

    Filesize

    36KB

    MD5

    70becffdf2b12b7ec3d53c0fcca1630e

    SHA1

    53500e57ac7861db5b568eab373a1ed70eeeaf87

    SHA256

    963a84dcdddcdd37455c9eb1c1bf28a19543af6b06e5ad38cc01fdf95112a82b

    SHA512

    4397b77ff68a94e05a64d96125992d08f9a508e65801e924794f3d531cb929e072e6742e6df3349e0de62d274ee5de5cb0a510a4687c3af50ada1d0888eaa2e4

  • memory/1040-0-0x0000000013140000-0x0000000013183000-memory.dmp

    Filesize

    268KB

  • memory/1040-12-0x0000000013140000-0x0000000013183000-memory.dmp

    Filesize

    268KB

  • memory/1040-10-0x0000000002B90000-0x0000000002BD3000-memory.dmp

    Filesize

    268KB

  • memory/1040-9-0x0000000002B90000-0x0000000002BD3000-memory.dmp

    Filesize

    268KB

  • memory/1728-14-0x0000000013140000-0x0000000013183000-memory.dmp

    Filesize

    268KB

  • memory/1728-22-0x0000000013140000-0x0000000013183000-memory.dmp

    Filesize

    268KB