Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 01:56

General

  • Target

    b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe

  • Size

    1.2MB

  • MD5

    64ab45128a8e4e5be46efcadad954cc9

  • SHA1

    5b2bf4867520bf9a0e9dc67ed4f3abab0efd23d1

  • SHA256

    b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377

  • SHA512

    22daf8f4e577a896a8f7e6a1b20e6a762d474747eaaea8ec2c3c91cdcb848141f472171bb322ecaf9762d1fdf70aac7ee41ccd8b07533a1f15603f5f6540f92a

  • SSDEEP

    24576:k5WHS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfyiIbt+rl:k5Wd4auS+UjfU2T/5XDtIbt+r

Malware Config

Extracted

Family

orcus

C2

192.168.0.105

Mutex

35d48f7b63f846579b6984fdf079d88c

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

    11/22/2024 10:50:42

  • plugins

    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

  • 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 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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe
    "C:\Users\Admin\AppData\Local\Temp\b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:2616
    • 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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e854a4636afc652b320e12e50ba4080e

    SHA1

    8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc

    SHA256

    94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5

    SHA512

    30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118

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

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

    Filesize

    1.2MB

    MD5

    64ab45128a8e4e5be46efcadad954cc9

    SHA1

    5b2bf4867520bf9a0e9dc67ed4f3abab0efd23d1

    SHA256

    b1bdbd644ce5e7847dce4f459039bcf254d443424ee7e7d4beab7fccd71af377

    SHA512

    22daf8f4e577a896a8f7e6a1b20e6a762d474747eaaea8ec2c3c91cdcb848141f472171bb322ecaf9762d1fdf70aac7ee41ccd8b07533a1f15603f5f6540f92a

  • memory/1516-54-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

    Filesize

    64KB

  • memory/1516-52-0x0000000000D50000-0x0000000000E84000-memory.dmp

    Filesize

    1.2MB

  • memory/1516-62-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2264-4-0x0000000000810000-0x000000000085C000-memory.dmp

    Filesize

    304KB

  • memory/2264-8-0x00000000004C0000-0x00000000004CC000-memory.dmp

    Filesize

    48KB

  • memory/2264-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2264-7-0x0000000001220000-0x00000000012D8000-memory.dmp

    Filesize

    736KB

  • memory/2264-6-0x0000000000310000-0x0000000000318000-memory.dmp

    Filesize

    32KB

  • memory/2264-5-0x00000000002F0000-0x00000000002F8000-memory.dmp

    Filesize

    32KB

  • memory/2264-3-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

    Filesize

    40KB

  • memory/2264-45-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

    Filesize

    312KB

  • memory/2264-1-0x00000000012E0000-0x0000000001414000-memory.dmp

    Filesize

    1.2MB

  • memory/2264-53-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-15-0x000007FEF6B5E000-0x000007FEF6B5F000-memory.dmp

    Filesize

    4KB

  • memory/2616-42-0x000007FEF68A0000-0x000007FEF723D000-memory.dmp

    Filesize

    9.6MB

  • memory/2616-26-0x000007FEF68A0000-0x000007FEF723D000-memory.dmp

    Filesize

    9.6MB

  • memory/2616-25-0x000007FEF68A0000-0x000007FEF723D000-memory.dmp

    Filesize

    9.6MB