Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2024 12:19

General

  • Target

    56711d95738034380f8e51d2da4fee41.ps1

  • Size

    485KB

  • MD5

    56711d95738034380f8e51d2da4fee41

  • SHA1

    786536b8be12ae7daf81a2a0252afac34eb047a9

  • SHA256

    2d510eb788c8dd9ae2f055811888c11b761c6b278bf0fe77e26b2ae5417ab86a

  • SHA512

    09a25f5defc0fcd300d7e599a98f80525248c5457eb0555fcafc8c2ce92a04122674be952122dc584071abfcbb919d51d7a617206d14202823ec941e55931fe0

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64Bigu:q32u

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l32/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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\56711d95738034380f8e51d2da4fee41.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      #cmd
      2⤵
        PID:1148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 1100
          3⤵
          • Program crash
          PID:4472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1148 -ip 1148
      1⤵
        PID:1172

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_utptdaet.3bl.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1148-14-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1148-17-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1148-19-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1148-20-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1148-23-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2652-0-0x0000019338D40000-0x0000019338D62000-memory.dmp

        Filesize

        136KB

      • memory/2652-10-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp

        Filesize

        10.8MB

      • memory/2652-12-0x000001931E5F0000-0x000001931E600000-memory.dmp

        Filesize

        64KB

      • memory/2652-11-0x000001931E5F0000-0x000001931E600000-memory.dmp

        Filesize

        64KB

      • memory/2652-13-0x0000019338E70000-0x0000019338E82000-memory.dmp

        Filesize

        72KB

      • memory/2652-18-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp

        Filesize

        10.8MB