Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 11:49

General

  • Target

    1789c812d8efebd2b67d2ada473a2219.ps1

  • Size

    421KB

  • MD5

    1789c812d8efebd2b67d2ada473a2219

  • SHA1

    e25923be4840de11c5cbc5ca8bbc1251b783972a

  • SHA256

    67001e9d36071d9cf4927282e50e07c02a61036cd34d4e7ed0578c64352b3739

  • SHA512

    97c8b1ecdf536d1309cfd8f1abb5df0e224c2a9a6e1be49f3d9fe7d7cb1f5814cbaa0b1df9e2142afd2fe0d4ef83d72ce0dc882ec73672f4fb5393198ffb550d

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64oL68:q3L

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l5/

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\1789c812d8efebd2b67d2ada473a2219.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:2856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ykkrqkz2.dvu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/464-5-0x0000026AFE560000-0x0000026AFE582000-memory.dmp

      Filesize

      136KB

    • memory/464-10-0x00007FF877AD0000-0x00007FF878591000-memory.dmp

      Filesize

      10.8MB

    • memory/464-12-0x0000026AFDCA0000-0x0000026AFDCB0000-memory.dmp

      Filesize

      64KB

    • memory/464-11-0x0000026AFDCA0000-0x0000026AFDCB0000-memory.dmp

      Filesize

      64KB

    • memory/464-13-0x0000026AFE8B0000-0x0000026AFE8BA000-memory.dmp

      Filesize

      40KB

    • memory/464-19-0x00007FF877AD0000-0x00007FF878591000-memory.dmp

      Filesize

      10.8MB

    • memory/2856-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2856-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2856-18-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2856-20-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2856-21-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB