Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 01:09

General

  • Target

    f8f9b67a999d352eb4878beebd5b10e93d49b78fa85cdc3082c49b6d90ebf273.exe

  • Size

    1.2MB

  • MD5

    1f39db8be8233256490ea622307596f9

  • SHA1

    956cdfe145a361e42f593dd9435fe4b3e30345a8

  • SHA256

    f8f9b67a999d352eb4878beebd5b10e93d49b78fa85cdc3082c49b6d90ebf273

  • SHA512

    e0cfb9bb12e4883af1222a2f03afb52ba53612984456f5d430591e93c22dbe8fad3b843b7ca5d3f7c9f36542ba7d51f8fa8dc3e8db69ddd744b8e3a21576f02c

  • SSDEEP

    24576:Q9qPS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfn26Ibt+ru:Q9ql4auS+UjfU2T/5XD+6Ibt+r

Malware Config

Extracted

Family

orcus

C2

192.168.1.20

Mutex

d9d8c363f70246259b2e54128bb893c3

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

    12/22/2024 12:37:50

  • plugins

    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

  • 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 1 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 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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8f9b67a999d352eb4878beebd5b10e93d49b78fa85cdc3082c49b6d90ebf273.exe
    "C:\Users\Admin\AppData\Local\Temp\f8f9b67a999d352eb4878beebd5b10e93d49b78fa85cdc3082c49b6d90ebf273.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

    Filesize

    1.2MB

    MD5

    1f39db8be8233256490ea622307596f9

    SHA1

    956cdfe145a361e42f593dd9435fe4b3e30345a8

    SHA256

    f8f9b67a999d352eb4878beebd5b10e93d49b78fa85cdc3082c49b6d90ebf273

    SHA512

    e0cfb9bb12e4883af1222a2f03afb52ba53612984456f5d430591e93c22dbe8fad3b843b7ca5d3f7c9f36542ba7d51f8fa8dc3e8db69ddd744b8e3a21576f02c

  • memory/2852-30-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2852-29-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-24-0x0000000000ED0000-0x0000000000EE0000-memory.dmp

    Filesize

    64KB

  • memory/2852-18-0x0000000001060000-0x0000000001194000-memory.dmp

    Filesize

    1.2MB

  • memory/2852-20-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-17-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-10-0x0000000000AC0000-0x0000000000B0E000-memory.dmp

    Filesize

    312KB

  • memory/2876-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/2876-7-0x0000000004C70000-0x0000000004D28000-memory.dmp

    Filesize

    736KB

  • memory/2876-6-0x0000000000A30000-0x0000000000A38000-memory.dmp

    Filesize

    32KB

  • memory/2876-19-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-5-0x0000000000A10000-0x0000000000A18000-memory.dmp

    Filesize

    32KB

  • memory/2876-4-0x00000000005E0000-0x000000000062C000-memory.dmp

    Filesize

    304KB

  • memory/2876-3-0x0000000074CC0000-0x00000000753AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-2-0x0000000000530000-0x000000000053A000-memory.dmp

    Filesize

    40KB

  • memory/2876-1-0x00000000012E0000-0x0000000001414000-memory.dmp

    Filesize

    1.2MB