orcus | 2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28

General

Target

ed.exe
Size

843KB
MD5

54c07df940628fefe1ceb70f50b26140
SHA1

7490a824e13ed9ea04a2cfac22041588c65734fa
SHA256

2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28
SHA512

cce288e804cb9104547f716f1a6662b500bea10249d448c98385dd3fef44f2528f4068dfcd580eb6e2c6316874f2d978260c852ae834b99afd3ab8777e0bd6a9
SSDEEP

24576:uZS04YNEMuExDiU6E5R9s8xY/2l/dLeIbt+rI:ub4auS+UjfU2TLeIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

127.0.0.1

photography-stopping.gl.at.ply.gg

Mutex

839fc29b4b8e4aa1a550dac84d4a7d7b

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
09/03/2024 18:06:14
plugins
AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIDgANQAxAGMAOAA4ADUAOQAwADUAZQBiADQAZQAxADIAYQAxADUAMQBkAGEAYgA5ADIAZAAxADYAZQBkAGIANgABAAAAAgI=
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.
rat spyware stealer orcus

Executes dropped EXE 1 IoCs

pid	Process
2680	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
2524	ed.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2680	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2680	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2680	2524	ed.exe	29
PID 2524 wrote to memory of 2680	2524	ed.exe	29
PID 2524 wrote to memory of 2680	2524	ed.exe	29
PID 2524 wrote to memory of 2680	2524	ed.exe	29

C:\Users\Admin\AppData\Local\Temp\ed.exe
"C:\Users\Admin\AppData\Local\Temp\ed.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- 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:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB186.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
843KB

MD5
54c07df940628fefe1ceb70f50b26140

SHA1
7490a824e13ed9ea04a2cfac22041588c65734fa

SHA256
2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28

SHA512
cce288e804cb9104547f716f1a6662b500bea10249d448c98385dd3fef44f2528f4068dfcd580eb6e2c6316874f2d978260c852ae834b99afd3ab8777e0bd6a9

Download Submit
memory/2524-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2524-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2524-11-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-12-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-13-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-14-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-15-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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