Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 13:21

General

  • Target

    fghhjgfhj.exe

  • Size

    1.2MB

  • MD5

    a3f7146a9e0a134c8c50658c2347420f

  • SHA1

    ca40306a2199bc3ea7c8b1b013b029dbe1b71215

  • SHA256

    a97cf2657ba794b8420f84f139b5b31ad7bb33dc0da80c276095a0fd4a123a8b

  • SHA512

    d2cf202195e5db81b6668cd1579ed32cf81d1bbf4eddf004ee4817b1932a38e5aa416248161948032e128fac77045a42f36dc71f4b126ee56285d8afc1c8e1d5

  • SSDEEP

    24576:FSBS04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGf3HIbt+rF:FSj4auS+UjfU2T/5XDPIbt+r

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

m5email-hitting.gl.at.ply.gg

Mutex

f1ab2b6bff84430c801a9bc21e12178d

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

    12/24/2024 14:16:44

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fghhjgfhj.exe
    "C:\Users\Admin\AppData\Local\Temp\fghhjgfhj.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2440
    • 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:2156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    626KB

    MD5

    d8aec01ff14e3e7ad43a4b71e30482e4

    SHA1

    e3015f56f17d845ec7eef11d41bbbc28cc16d096

    SHA256

    da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

    SHA512

    f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

    Filesize

    1.2MB

    MD5

    a3f7146a9e0a134c8c50658c2347420f

    SHA1

    ca40306a2199bc3ea7c8b1b013b029dbe1b71215

    SHA256

    a97cf2657ba794b8420f84f139b5b31ad7bb33dc0da80c276095a0fd4a123a8b

    SHA512

    d2cf202195e5db81b6668cd1579ed32cf81d1bbf4eddf004ee4817b1932a38e5aa416248161948032e128fac77045a42f36dc71f4b126ee56285d8afc1c8e1d5

  • memory/2156-40-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/2156-39-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-38-0x0000000006310000-0x000000000631A000-memory.dmp

    Filesize

    40KB

  • memory/2156-29-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

    Filesize

    64KB

  • memory/2156-28-0x0000000005B30000-0x0000000005CF2000-memory.dmp

    Filesize

    1.8MB

  • memory/2156-27-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-26-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-5-0x0000000005790000-0x0000000005822000-memory.dmp

    Filesize

    584KB

  • memory/2440-10-0x0000000006110000-0x00000000061C8000-memory.dmp

    Filesize

    736KB

  • memory/2440-13-0x00000000062D0000-0x000000000631E000-memory.dmp

    Filesize

    312KB

  • memory/2440-9-0x0000000005B30000-0x0000000005B38000-memory.dmp

    Filesize

    32KB

  • memory/2440-25-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-8-0x0000000005B10000-0x0000000005B18000-memory.dmp

    Filesize

    32KB

  • memory/2440-7-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/2440-6-0x00000000056F0000-0x000000000573C000-memory.dmp

    Filesize

    304KB

  • memory/2440-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/2440-4-0x0000000005B60000-0x0000000006104000-memory.dmp

    Filesize

    5.6MB

  • memory/2440-3-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-2-0x0000000002CF0000-0x0000000002CFA000-memory.dmp

    Filesize

    40KB

  • memory/2440-1-0x0000000000900000-0x0000000000A34000-memory.dmp

    Filesize

    1.2MB