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Overview

overview

7

Static

static

1

Oh.rar

windows11-21h2-x64

7

Analysis

  • max time kernel
    53s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/08/2024, 09:18

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General

  • Target

    Oh.rar

  • Size

    9.7MB

  • MD5

    3d3bb9b240284128b59e185530458d42

  • SHA1

    49f9735a89ef431e60067bbc06bc4ff88bf4eb5a

  • SHA256

    dbe94d2f0d72c7fa31bffbb3b59bcbf6a605040b59a417d38b4802208be4ee1d

  • SHA512

    a778a419c2680cddfb45a62a55501870bec0079daab2139440ce05781d630964a72a1a61082be6617a1c87dfbb66e608735d6a40caa0c2756ea275d22d30fed9

  • SSDEEP

    196608:loZKP2s5tcYorXRC8S4boCU4BX4QbSFG1uR1/nQhlHDCCvEQxtKpQdmFwDphgZRO:vXoNCibor4pDbSsuR1QhlxiQdmFOgW

Score
7/10
discovery

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Oh.rar
    1⤵
    • Modifies registry class
    PID:236
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Oh.rar"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2060
  • C:\Users\Admin\Desktop\mta_is_fun.exe
    "C:\Users\Admin\Desktop\mta_is_fun.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\mta_is_fun.exe
    Filesize

    10.0MB

    MD5

    a78c8df9d3371931980a66100aaae6c4

    SHA1

    bb0254b25f06908b78aa718cc3fe5bbca3324570

    SHA256

    7864fee647473d8b526f1a76dcfb76acfec2dc105aab11a19251c557bf0ecac6

    SHA512

    2df3e1b60389128aa42f86b7268b41bf45c4d435686ef29ffe7116cd3c8798f6b32f706432fa899cb1f71521ea1331dda70bf456f5fbd1bc1c3142af1d9cd5ec

    Download Submit

  • memory/3920-10-0x00000000020F0000-0x00000000020F1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3920-11-0x0000000000B90000-0x0000000001B3F000-memory.dmp

    Filesize

    15.7MB

    Download