Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe"
      2⤵
        PID:5108
      • C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe"
        2⤵
          PID:4408
        • C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\d3fe725ae5528ff727ef50bdda39dacb_JaffaCakes118.exe"
          2⤵
            PID:3652
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 1312
              3⤵
              • Program crash
              PID:4980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3652 -ip 3652
          1⤵
            PID:2724

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3076-8-0x0000000074E80000-0x0000000075630000-memory.dmp

            Filesize

            7.7MB

          • memory/3076-4-0x0000000005870000-0x0000000005880000-memory.dmp

            Filesize

            64KB

          • memory/3076-0-0x0000000000C10000-0x0000000000C8E000-memory.dmp

            Filesize

            504KB

          • memory/3076-3-0x0000000005690000-0x0000000005722000-memory.dmp

            Filesize

            584KB

          • memory/3076-9-0x0000000005870000-0x0000000005880000-memory.dmp

            Filesize

            64KB

          • memory/3076-5-0x0000000005640000-0x000000000564A000-memory.dmp

            Filesize

            40KB

          • memory/3076-6-0x000000000A6A0000-0x000000000A73C000-memory.dmp

            Filesize

            624KB

          • memory/3076-10-0x0000000006B00000-0x0000000006B5C000-memory.dmp

            Filesize

            368KB

          • memory/3076-2-0x0000000005C40000-0x00000000061E4000-memory.dmp

            Filesize

            5.6MB

          • memory/3076-1-0x0000000074E80000-0x0000000075630000-memory.dmp

            Filesize

            7.7MB

          • memory/3076-7-0x0000000005BA0000-0x0000000005BAE000-memory.dmp

            Filesize

            56KB

          • memory/3076-15-0x0000000074E80000-0x0000000075630000-memory.dmp

            Filesize

            7.7MB

          • memory/3652-12-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3652-14-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3652-11-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3652-16-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3652-19-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB