Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 01:08

General

  • Target

    6699938ce314896c3f5d86789988c1a7c8b9cca0095b16e46512d0c6947e38b0.exe

  • Size

    1.2MB

  • MD5

    27741d70d8dc3815eafc9173a0258c39

  • SHA1

    4efc34985a0afdc24bd8daef4b2b9917a29baa40

  • SHA256

    6699938ce314896c3f5d86789988c1a7c8b9cca0095b16e46512d0c6947e38b0

  • SHA512

    4ef1e069de2f6627e74e057858502eb115609c3fef88f982c6f67c714588a545118e50c6f4210df2ab43fb73b34d050f9d7d37794792cb84ffb20df26067e78c

  • SSDEEP

    24576:YTS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfqiEIbt+rq:YJ4auS+UjfU2T/5XDoIbt+r

Malware Config

Extracted

Family

orcus

C2

192.168.0.40

94.4.114.86

Mutex

7b6ec1ef17c4472fb8c933c6f4f0bf69

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

    12/02/2024 00:07:45

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgMwAxADgAYQAyADgAMwA1ADQAZgA2AGQANABiADkAOAA4ADAANgBmADMAZAA0AGIAMwA2ADYAZgA1AGIAOQBiAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDUAMABkADcAZgAxAGYAYQBmAGEAYQA3ADQANwA0ADgAOAA5AGMAOAA0ADkAMAA1ADQAYQBhADkAYQBiADEAZQABBcjswb8CldcC3rcCqMa3DYpVf2wVCkcAYQBtAGUAcgAgAFYAaQBlAHcABwMxAC4AMgBBIDgANwA2ADcANAA5AGYAMwA0AGYAMABkADQAMQA0ADcAOAA0ADEAZABjADAAOQA4AGEAYQAwAGEAMQAwAGEANAACAAYG

  • reconnect_delay

    10000

  • 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 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 3 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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6699938ce314896c3f5d86789988c1a7c8b9cca0095b16e46512d0c6947e38b0.exe
    "C:\Users\Admin\AppData\Local\Temp\6699938ce314896c3f5d86789988c1a7c8b9cca0095b16e46512d0c6947e38b0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2028
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.InstallLog

    Filesize

    596B

    MD5

    cb1bafcb3fb3195881c7c67e4261f503

    SHA1

    e7246d89642cd7205a745e55062123dd67a85394

    SHA256

    6440aac0367e1bae8944a650f73ca775ed4a0f3810576adce09d6c4f6d10f6ae

    SHA512

    2da4d8bf1142ccd20fa3190fd7670d67f1b48bfbbfe55a71fc8cb1570cc69f3128892bb2b02309fc0353d0b928168f3810d0b2938bd08f6b01b31910929dacf7

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

    Filesize

    1.2MB

    MD5

    27741d70d8dc3815eafc9173a0258c39

    SHA1

    4efc34985a0afdc24bd8daef4b2b9917a29baa40

    SHA256

    6699938ce314896c3f5d86789988c1a7c8b9cca0095b16e46512d0c6947e38b0

    SHA512

    4ef1e069de2f6627e74e057858502eb115609c3fef88f982c6f67c714588a545118e50c6f4210df2ab43fb73b34d050f9d7d37794792cb84ffb20df26067e78c

  • C:\Windows\SysWOW64\WindowsInput.InstallLog

    Filesize

    224B

    MD5

    e469dda91ae810a1f94c96060f3f8a65

    SHA1

    0b4b3b0f6f937016b1e045ce5313ee2a65a38630

    SHA256

    d42fee8db8eb0e047ca53ad59b1c9bc69fe04993be36fec502e3532371908842

    SHA512

    2eb4037361c03e195c642a53f55a3182a6df19903db503060e366f2394750e64ae04fdaace61ef5a6dba649defc88322d78edd2928bc53ebd1ce11d68cc88dac

  • C:\Windows\SysWOW64\WindowsInput.InstallLog

    Filesize

    597B

    MD5

    c2291863df7c2d3038ce3c22fa276506

    SHA1

    7b7d2bc07a6c35523807342c747c9b6a19f3184e

    SHA256

    14504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da

    SHA512

    00bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa

  • \Users\Admin\AppData\Roaming\GamerView\sqlite3.dll

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

  • \Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e854a4636afc652b320e12e50ba4080e

    SHA1

    8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc

    SHA256

    94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5

    SHA512

    30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118

  • memory/2028-12-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

    Filesize

    9.6MB

  • memory/2028-20-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

    Filesize

    9.6MB

  • memory/2028-9-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

    Filesize

    4KB

  • memory/2028-36-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

    Filesize

    9.6MB

  • memory/2128-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

    Filesize

    4KB

  • memory/2128-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-44-0x00000000745D0000-0x0000000074B7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-52-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB