Overview

overview

10

Static

static

10

b3368bbd21...c1.exe

windows7-x64

10

b3368bbd21...c1.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-12-2024 01:06

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General

  • Target

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe

  • Size

    845KB

  • MD5

    6546eb6df97390317bd8254abc7bb5d4

  • SHA1

    4e2ae2993226821804afefbd65e4b350f4b0c841

  • SHA256

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1

  • SHA512

    1dfc4e5d7b5e0d687f55c90a6e20a683646109a0e59d4f13b6b28331b16eea094199818930e4805c8360359f3a3a8b7e7452b322fede5c9c4860351999129f2c

  • SSDEEP

    24576:tvS04YNEMuExDiU6E5R9s8xY/2l/dH0Ibt+re:tF4auS+UjfU2TH0Ibt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

172.27.79.37

Mutex

e9a589639eec4abba389e63b59970529

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

    12/13/2024 13:53:11

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgYwBjAGYANwBiADQAOAAwADEAOQBmADkANABlADEANgA5AGQAMgBkADUAOQAxADEAZQA2ADkANAA2ADEANQAzAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDEANwBjADEANAAyAGMAMQAwADEAYQAxADQANwBmADYAOQA2ADUANwBjAGQAZAAxADQAMAAzAGEANwAyADEANQABAAAEBA==

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe
    "C:\Users\Admin\AppData\Local\Temp\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2820
    • 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:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    845KB

    MD5

    6546eb6df97390317bd8254abc7bb5d4

    SHA1

    4e2ae2993226821804afefbd65e4b350f4b0c841

    SHA256

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1

    SHA512

    1dfc4e5d7b5e0d687f55c90a6e20a683646109a0e59d4f13b6b28331b16eea094199818930e4805c8360359f3a3a8b7e7452b322fede5c9c4860351999129f2c

    Download Submit

  • memory/1172-14-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-13-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-12-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-15-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-16-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2820-0-0x0000000074E81000-0x0000000074E82000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2820-1-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2820-2-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2820-11-0x0000000074E80000-0x000000007542B000-memory.dmp

    Filesize

    5.7MB

    Download