Analysis

  • max time kernel
    189s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 13:04

General

  • Target

    9722cdf9c49d3fc94ffa7dd0a2710aa5.ps1

  • Size

    656KB

  • MD5

    9722cdf9c49d3fc94ffa7dd0a2710aa5

  • SHA1

    3372c9e837a46bbeced8b4428979605273e1cf6c

  • SHA256

    0c99470b0c0952b9f367fcc95f7c057908227f3360ab56eb7d6344e06991ff78

  • SHA512

    c966df35142628043fbb78eb2c31440385361c6b53cf8112b74d49fbf8e44eab71eb3b190e765308ada138e145302c67f429c6523f6fd09b0f92fc5adc731926

  • SSDEEP

    12288:EZjw0RJ9u5ILYDxD3fxYehza/tw6408TVkc5A+:g3oTmr+

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l1/

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 9 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9722cdf9c49d3fc94ffa7dd0a2710aa5.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      #cmd
      2⤵
        PID:3208

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dnfu1xmr.p4x.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1848-33-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-17-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-11-0x000002A3B7F30000-0x000002A3B7F40000-memory.dmp

      Filesize

      64KB

    • memory/1848-12-0x000002A3B7F30000-0x000002A3B7F40000-memory.dmp

      Filesize

      64KB

    • memory/1848-41-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-15-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-14-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-53-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-19-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-51-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-23-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-25-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-27-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-29-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-31-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-6-0x000002A3BA150000-0x000002A3BA172000-memory.dmp

      Filesize

      136KB

    • memory/1848-13-0x000002A3BA2E0000-0x000002A3BA306000-memory.dmp

      Filesize

      152KB

    • memory/1848-10-0x00007FFCCAEA0000-0x00007FFCCB961000-memory.dmp

      Filesize

      10.8MB

    • memory/1848-21-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-49-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-47-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-45-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-43-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-39-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-37-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-35-0x000002A3BA2E0000-0x000002A3BA300000-memory.dmp

      Filesize

      128KB

    • memory/1848-54-0x000002A3BA140000-0x000002A3BA141000-memory.dmp

      Filesize

      4KB

    • memory/1848-55-0x00007FFCCAEA0000-0x00007FFCCB961000-memory.dmp

      Filesize

      10.8MB

    • memory/1848-61-0x00007FFCCAEA0000-0x00007FFCCB961000-memory.dmp

      Filesize

      10.8MB

    • memory/3208-59-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3208-56-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3208-60-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3208-62-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3208-63-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB