Analysis

  • max time kernel
    149s
  • max time network
    143s
  • 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 01:02

General

  • Target

    3f612a7d13131add2c7480a8f4afc2e2.ps1

  • Size

    421KB

  • MD5

    3f612a7d13131add2c7480a8f4afc2e2

  • SHA1

    002ef70c9716875d10ae15d571172ef55b9a9058

  • SHA256

    9c91870abd6826a55a3091588a4dd1a06f76517ff5a59905a1247a169ba33581

  • SHA512

    1abfbab969598f722e900aa19b9fd6f95b21cfb07110aa978a08dbcf0d639dea1b630e2673cb1e7abeda1c3db0f1f6f0ad60eefd2f513a064e1be1a682d19905

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64EL68:q3v

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2121/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\3f612a7d13131add2c7480a8f4afc2e2.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:4668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 1104
          3⤵
          • Program crash
          PID:1836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
          PID:2068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4668 -ip 4668
        1⤵
          PID:3940

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0xqk4tmv.ice.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/208-9-0x0000025DB28B0000-0x0000025DB28D2000-memory.dmp

          Filesize

          136KB

        • memory/208-12-0x0000025DB25C0000-0x0000025DB25D0000-memory.dmp

          Filesize

          64KB

        • memory/208-11-0x0000025DB25C0000-0x0000025DB25D0000-memory.dmp

          Filesize

          64KB

        • memory/208-10-0x00007FFA16C40000-0x00007FFA17701000-memory.dmp

          Filesize

          10.8MB

        • memory/208-18-0x00007FFA16C40000-0x00007FFA17701000-memory.dmp

          Filesize

          10.8MB

        • memory/208-13-0x0000025DB2AE0000-0x0000025DB2AEA000-memory.dmp

          Filesize

          40KB

        • memory/4668-17-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/4668-20-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/4668-19-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/4668-14-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/4668-23-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB