Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 01:23

General

  • Target

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe

  • Size

    15.0MB

  • MD5

    36da3c890e67303d1204ac52266ea80d

  • SHA1

    8aadb0fd59dbd9653590cc4bf9fbb73ae8444767

  • SHA256

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1

  • SHA512

    3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

  • SSDEEP

    24576:0DPS04YNEMuExDiU6E5R9s8xY/2l/dVBeIbt+rPULW:0Dl4auS+UjfU2T3eIbt+rMLW

Malware Config

Extracted

Family

orcus

C2

147.185.221.23

communications-sugar.gl.at.ply.gg

Mutex

11ad7b9a9f3648a9919132ed4611b033

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

    11/18/2024 13:11:11

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgOAA0ADEANwA3ADYAMQA1ADgAYgBkADIANAAwADkAOQBiADIAZQAyADIAMgBjADkAZgAxAGYAMwAzAGYAMAA2AAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGEAZQBlAGIAYwBjAGUANwBkADAAZAAwADQANAA4ADEAYQA1AGYANwAxADAAMwBhAGYAOAAzADUAMAA2ADUAZQABAAAEBA==

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe
    "C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    15.0MB

    MD5

    36da3c890e67303d1204ac52266ea80d

    SHA1

    8aadb0fd59dbd9653590cc4bf9fbb73ae8444767

    SHA256

    057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1

    SHA512

    3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

  • memory/2720-6-0x0000000000440000-0x0000000000448000-memory.dmp

    Filesize

    32KB

  • memory/2720-1-0x0000000000E50000-0x0000000000F36000-memory.dmp

    Filesize

    920KB

  • memory/2720-2-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/2720-4-0x00000000003C0000-0x000000000040C000-memory.dmp

    Filesize

    304KB

  • memory/2720-9-0x0000000000C50000-0x0000000000C9E000-memory.dmp

    Filesize

    312KB

  • memory/2720-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

    Filesize

    4KB

  • memory/2720-5-0x0000000000410000-0x0000000000418000-memory.dmp

    Filesize

    32KB

  • memory/2720-3-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-16-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-17-0x0000000000190000-0x0000000000276000-memory.dmp

    Filesize

    920KB

  • memory/2884-19-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-18-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB

  • memory/2884-20-0x00000000004F0000-0x0000000000500000-memory.dmp

    Filesize

    64KB

  • memory/2884-21-0x0000000073F40000-0x000000007462E000-memory.dmp

    Filesize

    6.9MB