Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 23:13

General

  • Target

    6521a3753639b263d04fb559c67c7209_JaffaCakes118.exe

  • Size

    432KB

  • MD5

    6521a3753639b263d04fb559c67c7209

  • SHA1

    4dcc4d52f8dba1a5bdb8e1132dc03fca8552c5bf

  • SHA256

    c84f2ac6e626a212fa854025fccebdbf755ec135d0e02ab883713dcab716396e

  • SHA512

    0c90533335389a2e88876e9a3fac576b5c4e0a1a590e401afc753b2136155cb36a077a9459e6cac9ad292f157cd8f2ddbde64934c13523926617d2d7775eb257

  • SSDEEP

    6144:GU/I8xDWenaDOmjd91wir8zBowmGuT3xiTGN7EEpLdJF+UYELYGcJg65H0d9JqHJ:GU/IGWJN/1ws8txuT3xiSNbrMUF8GxfU

Score
10/10

Malware Config

Extracted

Family

oski

C2

195.133.147.113

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6521a3753639b263d04fb559c67c7209_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6521a3753639b263d04fb559c67c7209_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
      2⤵
        PID:2540
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
        2⤵
          PID:4024

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1904-8-0x00000000747B0000-0x0000000074F60000-memory.dmp
        Filesize

        7.7MB

      • memory/1904-6-0x00000000053E0000-0x00000000053EA000-memory.dmp
        Filesize

        40KB

      • memory/1904-2-0x0000000002C80000-0x0000000002C86000-memory.dmp
        Filesize

        24KB

      • memory/1904-3-0x0000000009E70000-0x000000000A414000-memory.dmp
        Filesize

        5.6MB

      • memory/1904-0-0x00000000747BE000-0x00000000747BF000-memory.dmp
        Filesize

        4KB

      • memory/1904-5-0x0000000005440000-0x00000000054D2000-memory.dmp
        Filesize

        584KB

      • memory/1904-1-0x00000000009B0000-0x0000000000A20000-memory.dmp
        Filesize

        448KB

      • memory/1904-7-0x00000000747BE000-0x00000000747BF000-memory.dmp
        Filesize

        4KB

      • memory/1904-4-0x00000000747B0000-0x0000000074F60000-memory.dmp
        Filesize

        7.7MB

      • memory/1904-9-0x00000000061B0000-0x00000000061E2000-memory.dmp
        Filesize

        200KB

      • memory/1904-10-0x0000000005EA0000-0x0000000005EB4000-memory.dmp
        Filesize

        80KB

      • memory/1904-16-0x00000000747B0000-0x0000000074F60000-memory.dmp
        Filesize

        7.7MB

      • memory/4024-12-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/4024-14-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/4024-15-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB

      • memory/4024-11-0x0000000000400000-0x0000000000434000-memory.dmp
        Filesize

        208KB