Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 02:41

General

  • Target

    54d62e92b93a40149d7e4fa19b798201.ps1

  • Size

    421KB

  • MD5

    54d62e92b93a40149d7e4fa19b798201

  • SHA1

    0404240f6104722844ace07eb116d5edbc7a4c18

  • SHA256

    1384fedda1a2064b73982c64c756d109b16979a61ced905b338e7ad044c5e2f1

  • SHA512

    0591e4987caad59642fb39d929465487b8d5290197b924f1a33bcf8ba5389d5a4a9d97af61b0284199e64c0b281ff41d634b9a8c4df2ef8e02e8a96842e3f4c1

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64ML68:q33

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2626/

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\54d62e92b93a40149d7e4fa19b798201.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 504
        3⤵
        • Program crash
        PID:2604

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1452-5-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/1452-4-0x000000001B330000-0x000000001B612000-memory.dmp

    Filesize

    2.9MB

  • memory/1452-7-0x0000000002390000-0x0000000002398000-memory.dmp

    Filesize

    32KB

  • memory/1452-6-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/1452-8-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/1452-10-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/1452-9-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/1452-11-0x0000000002900000-0x0000000002980000-memory.dmp

    Filesize

    512KB

  • memory/1452-12-0x00000000027C0000-0x00000000027CA000-memory.dmp

    Filesize

    40KB

  • memory/1452-27-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2812-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-24-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-26-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-28-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-30-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB