Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 01:01

General

  • Target

    05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

  • Size

    1.1MB

  • MD5

    ff84e9b0121d920da65d6b346b33cacf

  • SHA1

    1108481b08eebac7f8e2846eac0c82b4f5c293c0

  • SHA256

    05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a

  • SHA512

    4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76

  • SSDEEP

    24576:6SS04YNEMuExDiU6E5R9s8xY/2l/d5eIbt+rR58cq8x0y:6O4auS+UjfU2T5eIbt+rP8cq8

Malware Config

Extracted

Family

orcus

Botnet

baby girl

C2

192.168.142.130

7fe80::5015:94f6:6ddc:ce36

127.0.0.1

Mutex

004afa7f1a374282aa8cf175e6799f8c

Attributes
  • administration_rights_required

    false

  • anti_debugger

    false

  • anti_tcp_analyzer

    false

  • antivm

    false

  • 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

    01/19/2025 16:16:34

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgMwBlAGYAYQBmADIAZgBhADQAMABlADIANABhAGQAYwA5AGYAMgBmAGMAMgA3ADEAMwA1ADUANwA1ADkAYQA2AAEAAAACAg==

  • reconnect_delay

    10000

  • registry_hidden_autostart

    false

  • set_admin_flag

    false

  • 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 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
    "C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    1.1MB

    MD5

    ff84e9b0121d920da65d6b346b33cacf

    SHA1

    1108481b08eebac7f8e2846eac0c82b4f5c293c0

    SHA256

    05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a

    SHA512

    4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76

  • memory/844-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

    Filesize

    4KB

  • memory/844-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/844-2-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/844-11-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-12-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-13-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-14-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-15-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2800-16-0x0000000073E50000-0x00000000743FB000-memory.dmp

    Filesize

    5.7MB