Overview

overview

10

Static

static

10

4.exe

windows7-x64

10

4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 17:24

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General

  • Target

    4.exe

  • Size

    839KB

  • MD5

    bf76a5041c41b4582e7444dbc0b04e2d

  • SHA1

    cea679c61f0f98311196e3e18a31f826cca4545b

  • SHA256

    0fd1728e3b2f1a0d7167fa0ffc110251e91657f5e6c008136eb256b2e6f34c6c

  • SHA512

    be12c58203d6c2e8a99ec453262fddeb1326b877ef3e6fe7fe55806b909b68f45ab84622fd0df1bfc36db52a11db696a5b6c563ec2f43705c44cbf8975dc1df2

  • SSDEEP

    24576:Fo3S04YNEMuExDiU6E5R9s8xY/2l/dJIbt+rc:Fot4auS+UjfU2TJIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

192.168.10.8

91.92.247.123

tech11.ddns.net

tech22.ddns.net
Mutex

b114dc668e5545c89c2612d3974a73ab

Attributes
  • administration_rights_required

    false

  • anti_debugger

    false

  • anti_tcp_analyzer

    false

  • antivm

    false

  • autostart_method

    2

  • 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

    04/04/2023 06:41:34

  • 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
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4.exe
    "C:\Users\Admin\AppData\Local\Temp\4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:332
    • 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
      • Suspicious use of SetWindowsHookEx
      PID:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    839KB

    MD5

    bf76a5041c41b4582e7444dbc0b04e2d

    SHA1

    cea679c61f0f98311196e3e18a31f826cca4545b

    SHA256

    0fd1728e3b2f1a0d7167fa0ffc110251e91657f5e6c008136eb256b2e6f34c6c

    SHA512

    be12c58203d6c2e8a99ec453262fddeb1326b877ef3e6fe7fe55806b909b68f45ab84622fd0df1bfc36db52a11db696a5b6c563ec2f43705c44cbf8975dc1df2

    Download Submit

  • memory/332-3-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/332-2-0x0000000000230000-0x000000000023A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/332-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/332-4-0x0000000000770000-0x00000000007BC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/332-8-0x00000000011F0000-0x000000000123E000-memory.dmp

    Filesize

    312KB

    Download

  • memory/332-1-0x0000000001250000-0x0000000001328000-memory.dmp

    Filesize

    864KB

    Download

  • memory/332-17-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1876-15-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1876-18-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/1876-16-0x0000000000B80000-0x0000000000C58000-memory.dmp

    Filesize

    864KB

    Download

  • memory/1876-19-0x0000000000A00000-0x0000000000A10000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1876-20-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

    Download