Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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 15:52

General

  • Target

    e2e0a441291c5f7201101cf266aa2fc0.ps1

  • Size

    656KB

  • MD5

    e2e0a441291c5f7201101cf266aa2fc0

  • SHA1

    fb41b0dd8b9c9bb363ab9eebbb9ccf78508fab78

  • SHA256

    f8973553be49784e769a41bd24358bfc076427c3004773161c479013f7b4aa87

  • SHA512

    a43816d2755b4691b2de6b76718c1918e90796a1c6cfc21faf66ad8c0bbde0b3e740c7a43608c3bce76f3c37f55f60a8df6599e66b14d27c3c88c03340f8fde0

  • SSDEEP

    12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64E8TVkc5A+:g3ITmr+

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 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\e2e0a441291c5f7201101cf266aa2fc0.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      #cmd
      2⤵
        PID:1576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 1128
          3⤵
          • Program crash
          PID:3352
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        #cmd
        2⤵
          PID:3720
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1576 -ip 1576
        1⤵
          PID:4368

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ptez2xb.rop.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1576-59-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/1576-65-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/1576-55-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/1576-61-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/1576-62-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2392-49-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-37-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-13-0x00000152E85B0000-0x00000152E85D6000-memory.dmp

          Filesize

          152KB

        • memory/2392-11-0x00000152E85F0000-0x00000152E8600000-memory.dmp

          Filesize

          64KB

        • memory/2392-60-0x00007FF89CE00000-0x00007FF89D8C1000-memory.dmp

          Filesize

          10.8MB

        • memory/2392-58-0x00000152E85F0000-0x00000152E8600000-memory.dmp

          Filesize

          64KB

        • memory/2392-12-0x00000152E85F0000-0x00000152E8600000-memory.dmp

          Filesize

          64KB

        • memory/2392-54-0x00000152D01B0000-0x00000152D01B1000-memory.dmp

          Filesize

          4KB

        • memory/2392-53-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-51-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-10-0x00007FF89CE00000-0x00007FF89D8C1000-memory.dmp

          Filesize

          10.8MB

        • memory/2392-47-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-45-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-41-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-39-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-43-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-35-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-33-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-31-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-29-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-27-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-25-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-23-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-21-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-19-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-17-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-9-0x00000152E8580000-0x00000152E85A2000-memory.dmp

          Filesize

          136KB

        • memory/2392-15-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB

        • memory/2392-14-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

          Filesize

          128KB