Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2023 20:41

General

  • Target

    0446466ac12756312798acc282f43f42.ps1

  • Size

    421KB

  • MD5

    0446466ac12756312798acc282f43f42

  • SHA1

    3fd7350b0fb7a5f6954133aef52225d7d43b3089

  • SHA256

    bd9cbcbfd7a897facee368f30d798f2b6cf4bb4aaf1b3301de96e691a6a5ce18

  • SHA512

    5af139c0d939faab146582a2e539011133f21f5514ec46e9065e1ab04820dd33541eaa90fe2c0b7e1dea8a3aeea0a90a20562dad5598249979e513ede0af333e

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64cL68:q3H

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2828/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0446466ac12756312798acc282f43f42.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2092
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 504
    1⤵
    • Program crash
    PID:2644

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2092-28-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-26-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-24-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2092-30-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2092-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2408-11-0x0000000002E60000-0x0000000002EE0000-memory.dmp

    Filesize

    512KB

  • memory/2408-10-0x0000000002E60000-0x0000000002EE0000-memory.dmp

    Filesize

    512KB

  • memory/2408-9-0x0000000002E60000-0x0000000002EE0000-memory.dmp

    Filesize

    512KB

  • memory/2408-5-0x0000000001D80000-0x0000000001D88000-memory.dmp

    Filesize

    32KB

  • memory/2408-27-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

    Filesize

    9.6MB

  • memory/2408-4-0x000000001B7B0000-0x000000001BA92000-memory.dmp

    Filesize

    2.9MB

  • memory/2408-8-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

    Filesize

    9.6MB

  • memory/2408-6-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

    Filesize

    9.6MB

  • memory/2408-7-0x0000000002E60000-0x0000000002EE0000-memory.dmp

    Filesize

    512KB

  • memory/2408-12-0x00000000028E0000-0x00000000028EA000-memory.dmp

    Filesize

    40KB