Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2023 21:54

General

  • Target

    08ee3567b7cb389951dd0c9c5f7b8272.ps1

  • Size

    421KB

  • MD5

    08ee3567b7cb389951dd0c9c5f7b8272

  • SHA1

    3e3c781bd20611b159ef4242e683f33e5712f583

  • SHA256

    1d0b1d8fc6831c8851eaeef1468800f8fa4c311f2cc9d365a93490fae5ec392b

  • SHA512

    f9e62d847c57d479d2e50d2ddadf7f39beb567548a797852ea18d35b918d5a0f1cfeaf4f44f2b731ffab898bf4cffd87597e44722461f22944179e72032e93f4

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64FL68:q3W

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l18/

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\08ee3567b7cb389951dd0c9c5f7b8272.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:2760

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2644-4-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

      Filesize

      2.9MB

    • memory/2644-5-0x0000000001F90000-0x0000000001F98000-memory.dmp

      Filesize

      32KB

    • memory/2644-6-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-7-0x0000000002AE0000-0x0000000002B60000-memory.dmp

      Filesize

      512KB

    • memory/2644-8-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

      Filesize

      9.6MB

    • memory/2644-9-0x0000000002AE0000-0x0000000002B60000-memory.dmp

      Filesize

      512KB

    • memory/2644-11-0x0000000002AE0000-0x0000000002B60000-memory.dmp

      Filesize

      512KB

    • memory/2644-10-0x0000000002AE0000-0x0000000002B60000-memory.dmp

      Filesize

      512KB

    • memory/2644-12-0x0000000002660000-0x000000000266A000-memory.dmp

      Filesize

      40KB

    • memory/2644-25-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

      Filesize

      9.6MB

    • memory/2760-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-18-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2760-19-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-21-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-24-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-26-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB