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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 06:04

General

  • Target

    55db6da9f017870b6346101f25d62067_JaffaCakes118.exe

  • Size

    73KB

  • MD5

    55db6da9f017870b6346101f25d62067

  • SHA1

    75f0ef3733df2d89f1a4fdf37cc11df77d58a4db

  • SHA256

    bd9fd127c1e64f1d051b2a4e3ef17c1615886db622d0f9d7a3829ee6f629edd1

  • SHA512

    d74fe8940941414ef004ebf675e2411db22fa50d7510432314cb92a80caefb9a88c5570c7db5a0054cd551920e6921b3e81d408c779e4a0a1ef3cfac8679dddd

  • SSDEEP

    1536:kEvdK6j9yeEf5zHNQcuP0QFH4DA7p5Dujx8DagPznH:kEFhEf5ztR3utSx8DagPDH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    printer

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55db6da9f017870b6346101f25d62067_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\55db6da9f017870b6346101f25d62067_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\Mrl.exe
      "C:\Users\Admin\AppData\Local\Temp\Mrl.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    080ab7a75eff60c7715052e212824bce

    SHA1

    afc09669776d25e0961bc0bee6f639d03053d14b

    SHA256

    0d96728f66c312a417a40fb0ac25c9391412c4aee7f97da85f3ebd93d74f569f

    SHA512

    9c9496b4d6d078fdc7429c761a19e4a488732c2d0d2fe33018c1583173294ed5dbb96c1f866131a0e3e4c3f2263e4bd1c54ee76419403f0f652343a476e8667c

  • memory/2512-8-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-1-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-3-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-4-0x000000001BB60000-0x000000001BC06000-memory.dmp

    Filesize

    664KB

  • memory/2512-5-0x000000001BCD0000-0x000000001BD6C000-memory.dmp

    Filesize

    624KB

  • memory/2512-6-0x0000000000B80000-0x0000000000B88000-memory.dmp

    Filesize

    32KB

  • memory/2512-7-0x000000001BE30000-0x000000001BE7C000-memory.dmp

    Filesize

    304KB

  • memory/2512-0-0x00007FFBADCB5000-0x00007FFBADCB6000-memory.dmp

    Filesize

    4KB

  • memory/2512-2-0x000000001B5E0000-0x000000001BAAE000-memory.dmp

    Filesize

    4.8MB

  • memory/2512-9-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-10-0x000000001CC70000-0x000000001CC82000-memory.dmp

    Filesize

    72KB

  • memory/2512-29-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-30-0x00007FFBADCB5000-0x00007FFBADCB6000-memory.dmp

    Filesize

    4KB

  • memory/2512-31-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-32-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-33-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-34-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2512-35-0x00007FFBADA00000-0x00007FFBAE3A1000-memory.dmp

    Filesize

    9.6MB