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Analysis

  • max time kernel
    103s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 02:50

General

  • Target

    9b0304af83043446b7b44be3405ec340N.exe

  • Size

    344KB

  • MD5

    9b0304af83043446b7b44be3405ec340

  • SHA1

    e163bcfd03dab1aaecb0b687cc6b3e1ce6921079

  • SHA256

    f2d7f0dc2319cc63b4230a394968538002752093b302157d640282c1e4ba98d4

  • SHA512

    1cd9226dfc0765645e804d7ccf5ed9495e5cd209008b7b94cd24529556f7f9f165ce66ae371ebc4eda996bddcfc1c34d616b60b3bfbff48aed598364d1cfccd2

  • SSDEEP

    6144:JTz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDBRm1+gmN:JTBPFV0RyWl3h2E+7pYm0

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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.

  • Modifies registry class 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b0304af83043446b7b44be3405ec340N.exe
    "C:\Users\Admin\AppData\Local\Temp\9b0304af83043446b7b44be3405ec340N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe"
        3⤵
        • Executes dropped EXE
        PID:3952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\lsassys.exe

    Filesize

    344KB

    MD5

    183a776c49a95ac7f67d8810df31d209

    SHA1

    402da424ac84575b27036c882b9ed644aca1e3b4

    SHA256

    3c34d9c8e1afbb6f929d5221758ef75668a05433a9f9969da923f00ad651be87

    SHA512

    a5a3e1ea7e5ced331b2be72b0fd05d431757d8736eefa01130e3383de5a6f3f7d117aafbb2c5068995aaaf997fb8b4576bc7b9e51b0e1419bf3227fe88214ef6