Analysis

  • max time kernel
    229s
  • max time network
    272s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2024 21:42

General

  • Target

    473d41b8499f701356991091f3e39e35.ps1

  • Size

    706KB

  • MD5

    473d41b8499f701356991091f3e39e35

  • SHA1

    f1284f26f6b97f81b6936789bbd9d931adf5d562

  • SHA256

    cae35f47589e7001d9ca57473ed487efbfee6b08536e6639945e563526e6e616

  • SHA512

    3964ba9ed1be7a96dd63743c25290a487b7e8ecf6e6a4793a739132d998387a2e9931dd05a0f4494300e7e61a2642aa99ef0621ae91c58b7eaf4235cd5ca91f6

  • SSDEEP

    6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSOym02:BOARH02

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.99.1.60/we/ahsa/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\473d41b8499f701356991091f3e39e35.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1956

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/696-26-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

      Filesize

      9.6MB

    • memory/696-5-0x0000000001F30000-0x0000000001F38000-memory.dmp

      Filesize

      32KB

    • memory/696-6-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

      Filesize

      9.6MB

    • memory/696-7-0x0000000002360000-0x00000000023E0000-memory.dmp

      Filesize

      512KB

    • memory/696-8-0x0000000002360000-0x00000000023E0000-memory.dmp

      Filesize

      512KB

    • memory/696-9-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

      Filesize

      9.6MB

    • memory/696-10-0x0000000002360000-0x00000000023E0000-memory.dmp

      Filesize

      512KB

    • memory/696-11-0x00000000029A0000-0x00000000029A8000-memory.dmp

      Filesize

      32KB

    • memory/696-4-0x000000001B2A0000-0x000000001B582000-memory.dmp

      Filesize

      2.9MB

    • memory/1956-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-20-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-18-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1956-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-25-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-27-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1956-28-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB