Analysis

  • max time kernel
    122s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-04-2024 12:42

General

  • Target

    d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe

  • Size

    474KB

  • MD5

    d3fe725ae5528ff727ef50bdda39dacb

  • SHA1

    c2109a9e3f9997330a333cbbfe4d805a045ecc19

  • SHA256

    dcea2e3f590f675b9d83f8c508bbe85ef521ed51ebfc6d3ea90cd8f0d23358c5

  • SHA512

    984c173a58e267fcfc57cc6fe9d429e4597364a24e8efc8fb009dccfba1f24c88a4eeb490d0e0301e26367953194e1745fbadfbfaadec379208c3de8d0f41533

  • SSDEEP

    12288:uNw4pVGp3k46WBfg8HdBXMUopQqexinm9wgn:uNw4p0BdHdvo6x/Zn

Malware Config

Extracted

Family

oski

C2

stanelectronics.xyz

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 876
        3⤵
        • Program crash
        PID:1532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2884-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-7-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2884-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2984-5-0x0000000004E80000-0x0000000004EC0000-memory.dmp

    Filesize

    256KB

  • memory/2984-3-0x00000000003C0000-0x00000000003CE000-memory.dmp

    Filesize

    56KB

  • memory/2984-0-0x0000000000D00000-0x0000000000D7E000-memory.dmp

    Filesize

    504KB

  • memory/2984-2-0x0000000004E80000-0x0000000004EC0000-memory.dmp

    Filesize

    256KB

  • memory/2984-18-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-6-0x0000000004EC0000-0x0000000004F1C000-memory.dmp

    Filesize

    368KB

  • memory/2984-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-4-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB