Analysis

  • max time kernel
    198s
  • max time network
    229s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 11:49

General

  • Target

    1789c812d8efebd2b67d2ada473a2219.ps1

  • Size

    421KB

  • MD5

    1789c812d8efebd2b67d2ada473a2219

  • SHA1

    e25923be4840de11c5cbc5ca8bbc1251b783972a

  • SHA256

    67001e9d36071d9cf4927282e50e07c02a61036cd34d4e7ed0578c64352b3739

  • SHA512

    97c8b1ecdf536d1309cfd8f1abb5df0e224c2a9a6e1be49f3d9fe7d7cb1f5814cbaa0b1df9e2142afd2fe0d4ef83d72ce0dc882ec73672f4fb5393198ffb550d

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64oL68:q3L

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l5/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\1789c812d8efebd2b67d2ada473a2219.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:2144

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2144-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-19-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-22-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2144-24-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2144-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2616-11-0x0000000002830000-0x00000000028B0000-memory.dmp

      Filesize

      512KB

    • memory/2616-10-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-21-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-6-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

      Filesize

      9.6MB

    • memory/2616-9-0x0000000002830000-0x00000000028B0000-memory.dmp

      Filesize

      512KB

    • memory/2616-4-0x000000001B290000-0x000000001B572000-memory.dmp

      Filesize

      2.9MB

    • memory/2616-8-0x0000000002830000-0x00000000028B0000-memory.dmp

      Filesize

      512KB

    • memory/2616-7-0x0000000002830000-0x00000000028B0000-memory.dmp

      Filesize

      512KB

    • memory/2616-5-0x00000000022A0000-0x00000000022A8000-memory.dmp

      Filesize

      32KB

    • memory/2616-12-0x00000000025C0000-0x00000000025CA000-memory.dmp

      Filesize

      40KB