Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 01:23

General

  • Target

    70d7d73056a45354e6dc212d9a591fa39747c5778d3e9600052676d7fa0841c3.exe

  • Size

    839KB

  • MD5

    54539026aaf13bb9e0c52122c72a429a

  • SHA1

    da892fa90580edffc34c19593dc06d8b00f5bfc4

  • SHA256

    70d7d73056a45354e6dc212d9a591fa39747c5778d3e9600052676d7fa0841c3

  • SHA512

    16f08dc7fe66cfee927083e2867438814b5e620af70094be46fc9ad112c15445cf07832c0008c3a7bd1ead6ead3fb98251656364b74a80febfdf2d1f7d1eddfa

  • SSDEEP

    24576:8xdS04YNEMuExDiU6E5R9s8xY/2l/d4t1Ibt+rR0:EP4auS+UjfU2T4rIbt+rO

Malware Config

Extracted

Family

orcus

C2

another-contains.gl.at.ply.gg

Mutex

a4927b8f548743b9aa2a78ed5eea56e6

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

    12/23/2024 01:16:48

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\70d7d73056a45354e6dc212d9a591fa39747c5778d3e9600052676d7fa0841c3.exe
    "C:\Users\Admin\AppData\Local\Temp\70d7d73056a45354e6dc212d9a591fa39747c5778d3e9600052676d7fa0841c3.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • 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:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    839KB

    MD5

    54539026aaf13bb9e0c52122c72a429a

    SHA1

    da892fa90580edffc34c19593dc06d8b00f5bfc4

    SHA256

    70d7d73056a45354e6dc212d9a591fa39747c5778d3e9600052676d7fa0841c3

    SHA512

    16f08dc7fe66cfee927083e2867438814b5e620af70094be46fc9ad112c15445cf07832c0008c3a7bd1ead6ead3fb98251656364b74a80febfdf2d1f7d1eddfa

  • memory/2300-11-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-12-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-14-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-15-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-16-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-0-0x00000000743C1000-0x00000000743C2000-memory.dmp

    Filesize

    4KB

  • memory/3020-1-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-2-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB

  • memory/3020-13-0x00000000743C0000-0x000000007496B000-memory.dmp

    Filesize

    5.7MB