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Analysis

  • max time kernel
    139s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2024, 01:10

General

  • Target

    Grp Mn Installer.exe

  • Size

    99.1MB

  • MD5

    d70c6f8c5ae10a28222952a3f41bbacb

  • SHA1

    6f1805f2bafbb8c261476118d11112624de39e65

  • SHA256

    97324d678d270983b1a8941deed3a60e472d04e4feb641f1ca7e6cf8c5f1246b

  • SHA512

    9fbcea4957532917ce0270a31858f9b2c9b0b9a90fb499076472d92bdffc58d153a02005d3923fe22a82898cdfced77cced10ea8894b56fbb2c7590c07ce433f

  • SSDEEP

    786432:7k4k4k4k4k4k4k4k4k4k4k4k4k4k4k4k4k:7hhhhhhhhhhhhhhhh

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Grp Mn Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Grp Mn Installer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ea2br2sn.yfu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1416-0-0x000001977C790000-0x000001977C791000-memory.dmp

    Filesize

    4KB

  • memory/1416-17-0x00000000005C0000-0x0000000000BAA000-memory.dmp

    Filesize

    5.9MB

  • memory/4816-1-0x00007FF8B08B3000-0x00007FF8B08B5000-memory.dmp

    Filesize

    8KB

  • memory/4816-8-0x00000202B8120000-0x00000202B8142000-memory.dmp

    Filesize

    136KB

  • memory/4816-12-0x00007FF8B08B0000-0x00007FF8B1371000-memory.dmp

    Filesize

    10.8MB

  • memory/4816-13-0x00007FF8B08B0000-0x00007FF8B1371000-memory.dmp

    Filesize

    10.8MB

  • memory/4816-16-0x00007FF8B08B0000-0x00007FF8B1371000-memory.dmp

    Filesize

    10.8MB