Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 03:09

General

  • Target

    ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe

  • Size

    305KB

  • MD5

    ea7910ae29ced592fc59a387a139e143

  • SHA1

    a8c90663c76d6967f2b4810fd81a42aac977d5be

  • SHA256

    ff28c02309cb561eee67921951ac347683c54d469ebebc5d1ea75dea5169cf3c

  • SHA512

    844de6bcdefd7db06409dc7fe6daa45f02ff45820d2b71c19c3f753ba6e2a589c819103ae930f051ab9f3a864c8255645040f22992eceedc61c85ddeefaa9d19

  • SSDEEP

    6144:b/Ze2jL5YYlbb087oYB3rWTjfc39qcjR8SpvK4:dDL59Nb08XNr8jMLRZ

Malware Config

Signatures

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 20 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 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 3 IoCs

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

  • Modifies registry class 41 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\xwr41512.dll
      2⤵
      • Event Triggered Execution: Image File Execution Options Injection
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ea7910ae29ced592fc59a387a139e143_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\xwr41512.dll

    Filesize

    216KB

    MD5

    fb65b35f65e247b9466d21a414922ad2

    SHA1

    240672049cff525367ce0e9113f4e6983b007038

    SHA256

    28427c64224b8e06685dc0b8527a94d5ec453e62102db2357b429b52fa377c56

    SHA512

    4404bbe1637bfacff52656c7ef41011961b09dfb8da72b8eaf37f3466e82ae3fbfc90f4c052895faacae4d940cb5baa84c838fec6f1465608f0ee5acf3836f9c

  • memory/2792-12-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-11-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2792-6-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-3-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-5-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-13-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-15-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-16-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-17-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-18-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-19-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-20-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-21-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-22-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-23-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-24-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-25-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-26-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-27-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-28-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB

  • memory/2792-29-0x0000000000400000-0x0000000000499000-memory.dmp

    Filesize

    612KB