Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 01:01

General

  • Target

    9d2f6b8e1bf913948fb0ff774d82e4b5a5ff9616e5097ef38482fcbd193052a0.exe

  • Size

    863KB

  • MD5

    9f5255673dcaa00aec821823de4f7c68

  • SHA1

    939f1351d2ee92aec84860165b139142a1c16519

  • SHA256

    9d2f6b8e1bf913948fb0ff774d82e4b5a5ff9616e5097ef38482fcbd193052a0

  • SHA512

    e63fa29fd0d0ad2cdbee2f153a5bc28699f9e83e8afa1e92734daa225416f07d4ee6621d7cca6ee23d1a7b0689f00c4c5f1cafe16a47dbd2fe1562cea2e15427

  • SSDEEP

    24576:HFS04YNEMuExDiU6E5R9s8xY/2l/drtnIbt+rdTe:H34auS+UjfU2TrdIbt+rA

Malware Config

Extracted

Family

orcus

C2

192.168.1.66

Mutex

64515d4bdc6342c3b19af3653725ee05

Attributes
  • administration_rights_required

    false

  • anti_debugger

    false

  • anti_tcp_analyzer

    false

  • antivm

    false

  • autostart_method

    1

  • change_creation_date

    false

  • force_installer_administrator_privileges

    false

  • hide_file

    false

  • install

    false

  • installation_folder

    %appdata%\Microsoft\Speech\AudioDriver.exe

  • installservice

    false

  • keylogger_enabled

    false

  • newcreationdate

    01/26/2025 19:20:01

  • plugins

    AgEAAA==

  • reconnect_delay

    10000

  • registry_autostart_keyname

    Audio HD Driver

  • registry_hidden_autostart

    false

  • set_admin_flag

    false

  • tasksch_name

    Audio HD Driver

  • tasksch_request_highest_privileges

    false

  • try_other_autostart_onfail

    false

aes.plain

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d2f6b8e1bf913948fb0ff774d82e4b5a5ff9616e5097ef38482fcbd193052a0.exe
    "C:\Users\Admin\AppData\Local\Temp\9d2f6b8e1bf913948fb0ff774d82e4b5a5ff9616e5097ef38482fcbd193052a0.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\Script.exe
      "C:\Users\Admin\AppData\Local\Temp\Script.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2980
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\start.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\start.bat

    Filesize

    14KB

    MD5

    80b6d85f4829619861c1ba75d0165e1a

    SHA1

    8fef67ccbb53d901324481cc0f1caf86bdfface8

    SHA256

    63fb361c804641806c87c3d175bad8f9a9ab6f214da7044b4e929ef755f109d3

    SHA512

    7e6e2e95e9eca666a1f5535badd3d80bb5ad9545ef3eb7cf2dc552884edc5f0a84bcdf17066b71c765d18673a55e890b7115a13666f3346242c8996b4f063c22

  • \Users\Admin\AppData\Local\Temp\Script.exe

    Filesize

    839KB

    MD5

    98a5ba2b1804e05fd8d361429c538d5e

    SHA1

    ff979f68614cdddf6db17ff574a51153fd6358bd

    SHA256

    502302c8b6270b082df08e81c96bde54a220bd6ae2a8ae3b08100529e2a7a753

    SHA512

    ad7ac8fa9511b973dbf5cd691a6d2ebb265e9eeb8549872751d89e8f8f71ca70a8dcc6e5cfa7b678d6cd9ce61096d5536792eb53244eff08ae0ee8fc91b3a478

  • memory/1892-16-0x00000000021F0000-0x0000000002230000-memory.dmp

    Filesize

    256KB

  • memory/2276-15-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB