Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 04:42

General

  • Target

    a5f71bf04a51fb3c1db0e08378f65fdc_JaffaCakes118.exe

  • Size

    657KB

  • MD5

    a5f71bf04a51fb3c1db0e08378f65fdc

  • SHA1

    846e8a9cc96d760b59451dfd155312b0654d6205

  • SHA256

    460820023a07bdd17f34f5d8e34c9a8d09095fcc40a5b3b1208bfecb9ab323c8

  • SHA512

    808351a5340f8d388204d9f9e70855efaaeb9f1bb4409502cab016e7b9bcfb8569cf51174a2e0fad2a8600c5a3a0b8ade501f2e65aaa320086f21862a779a30a

  • SSDEEP

    12288:PyuWJIdVPpK+cwYFp0kDTuE0s3V7HLkDlQViaBUJMJgyrnLG4Voss9jdSRr/7I0R:OadVPpKFVF0EdxlxBdgyrPKlJU/7Im

Malware Config

Extracted

Family

vidar

Version

40

Botnet

916

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    916

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Vidar Stealer 5 IoCs
  • Program crash 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5f71bf04a51fb3c1db0e08378f65fdc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a5f71bf04a51fb3c1db0e08378f65fdc_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 856
      2⤵
      • Program crash
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabBEDE.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBF10.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1800-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

    Filesize

    1024KB

  • memory/1800-2-0x0000000000250000-0x00000000002ED000-memory.dmp

    Filesize

    628KB

  • memory/1800-3-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1800-60-0x0000000000250000-0x00000000002ED000-memory.dmp

    Filesize

    628KB

  • memory/1800-59-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

    Filesize

    1024KB

  • memory/1800-58-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/1800-57-0x0000000000400000-0x000000000095B000-memory.dmp

    Filesize

    5.4MB