Analysis

  • max time kernel
    158s
  • max time network
    165s
  • 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 03:58

General

  • Target

    5f34c76b6ffb8fd032ccc5633072f573.ps1

  • Size

    421KB

  • MD5

    5f34c76b6ffb8fd032ccc5633072f573

  • SHA1

    225d38a6eace892309d083c12bc0224f7572e64c

  • SHA256

    dbe7ae3664d55a4ed1720658ddbcdd00210649becb4a5a48ed13e08b98d94010

  • SHA512

    471017c708f4f970ca62258a8173431ba081848a0c4e86a93e08e798deaa2dda57da3907aee863e24bcc8b14472c104e8632cde53fe6a15638fcec7faacfe225

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64yL68:q3Z

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l7/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5f34c76b6ffb8fd032ccc5633072f573.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:3792
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
          PID:3476

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eh4mq4a4.3md.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/336-14-0x000001FA3D4D0000-0x000001FA3D4DA000-memory.dmp

        Filesize

        40KB

      • memory/336-10-0x00007FFED44E0000-0x00007FFED4FA1000-memory.dmp

        Filesize

        10.8MB

      • memory/336-11-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp

        Filesize

        64KB

      • memory/336-13-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp

        Filesize

        64KB

      • memory/336-12-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp

        Filesize

        64KB

      • memory/336-0-0x000001FA3D4A0000-0x000001FA3D4C2000-memory.dmp

        Filesize

        136KB

      • memory/336-19-0x00007FFED44E0000-0x00007FFED4FA1000-memory.dmp

        Filesize

        10.8MB

      • memory/3476-18-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3476-15-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3476-20-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3476-21-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3476-22-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB