Overview

overview

10

Static

static

10

example.exe

windows7-x64

10

example.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 16:44

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General

  • Target

    example.exe

  • Size

    839KB

  • MD5

    351808659677be354200ca26e9b63f5a

  • SHA1

    a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363

  • SHA256

    60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead

  • SHA512

    c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8

  • SSDEEP

    24576:UBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+ri:Uj4auS+UjfU2TGdIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

?during-interesting.gl.at.ply.gg

Mutex

7fa8acb6c95d43bf801fe5b284514394

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

    11/25/2024 07:59:32

  • 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.

    ratspywarestealerorcus
  • Orcus family
    orcus
  • 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.

    discovery
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\example.exe
    "C:\Users\Admin\AppData\Local\Temp\example.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    351808659677be354200ca26e9b63f5a

    SHA1

    a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363

    SHA256

    60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead

    SHA512

    c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8

    Download Submit

  • memory/1680-0-0x00000000745E1000-0x00000000745E2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1680-1-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-2-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1680-11-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-12-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-14-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-13-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-15-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-16-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2296-17-0x00000000745E0000-0x0000000074B8B000-memory.dmp

    Filesize

    5.7MB

    Download