Overview

overview

10

Static

static

10

b2dcee19cf...9c.exe

windows7-x64

10

b2dcee19cf...9c.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 01:01

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General

  • Target

    b2dcee19cff4fcefe1998fa56e892054f9b282324e32113071328b7c866df09c.exe

  • Size

    845KB

  • MD5

    57c278e538d7ae90c2c763f558b33549

  • SHA1

    9aad7e3447dd4871bc8b0a0467c84c1dd1c8a3be

  • SHA256

    b2dcee19cff4fcefe1998fa56e892054f9b282324e32113071328b7c866df09c

  • SHA512

    6f8706812183a72280b2714a9014f002a3d3a675fdafeafd318575eae911b3acbd291d8672d55b5ccea8feb5192546c19bc3e8994ce4d5eff24c70219342f6d5

  • SSDEEP

    24576:msS04YNEMuExDiU6E5R9s8xY/2l/dgrIbt+ry:mE4auS+UjfU2TgrIbt+r

Score
10/10
orcusdiscoveryratspywarestealer

Malware Config

Extracted

Family

orcus

C2

3turn-calvin.gl.at.ply.gg

Mutex

d435f9131b3248c8a0341c3e512ea3ef

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

    01/04/2025 23:31:18

  • plugins

    AgUFyfihswTdIPqEArukcmEdSF06Hw9CAFMAbwBEACAAUAByAG8AdABlAGMAdABpAG8AbgAHAzEALgAwAEEgYgA0ADkANAAzAGEAMgA2ADQAYgA4ADkANAA5ADAAYgBiAGQAZQBhADcAMQAwADYAZQBmADIAZQBjADIANABiAAEFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGIAMgAyAGIAYQBiAGMANAA4ADIAZQAzADQAYQBjADQAOAAwAGIAMQA3ADAAOAAzADYANQA3ADYAYgBjADcANAABAAAEBA==

  • 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 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2dcee19cff4fcefe1998fa56e892054f9b282324e32113071328b7c866df09c.exe
    "C:\Users\Admin\AppData\Local\Temp\b2dcee19cff4fcefe1998fa56e892054f9b282324e32113071328b7c866df09c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2588
    • 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
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    845KB

    MD5

    57c278e538d7ae90c2c763f558b33549

    SHA1

    9aad7e3447dd4871bc8b0a0467c84c1dd1c8a3be

    SHA256

    b2dcee19cff4fcefe1998fa56e892054f9b282324e32113071328b7c866df09c

    SHA512

    6f8706812183a72280b2714a9014f002a3d3a675fdafeafd318575eae911b3acbd291d8672d55b5ccea8feb5192546c19bc3e8994ce4d5eff24c70219342f6d5

    Download Submit

  • memory/2504-13-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2504-11-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2504-14-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2504-15-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2588-0-0x0000000074A01000-0x0000000074A02000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2588-1-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2588-2-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2588-12-0x0000000074A00000-0x0000000074FAB000-memory.dmp

    Filesize

    5.7MB

    Download