orcus | 1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64

General

Target

1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe
Size

843KB
MD5

787b41af9d28bb93bb3b8e574f06a4cf
SHA1

9fca5a5fcbd4c1e38e9b1fa52a6af916c3267cd7
SHA256

1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64
SHA512

51663df1670c6da11d262e654fb3cd700b10d1fac2398ff900ff7be84673f6120dbe0290d877b9e07adb53633d5118ed29c5f585d2494a445070c4517e80c740
SSDEEP

24576:0xYS04YNEMuExDiU6E5R9s8xY/2l/dWLbB83xIbt+rl:0xA4auS+UjfU2TEb63xIbt+r

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

10.0.0.121

Mutex

6aebdc717ef740fcabd44e1b97100532

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
01/19/2025 15:32:55
plugins
AgUFl6aNkQPXkQKOmwKLvFcpr24sKCsVRABpAHMAYQBiAGwAZQAgAFcAZQBiAGMAYQBtACAATABpAGcAaAB0AHMABwMxAC4AMABBIGMAOABmADEAMgBlADgAMwA0ADQAZQA5ADQAOABkAGQAOQA2AGUAMAA1AGQANABmAGYAZgAwAGMAMAA4ADQANgABAAAAAgI=
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
Orcus family
orcus

Executes dropped EXE 1 IoCs

pid	Process
2736	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
1892	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.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	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe
2736	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	AudioDriver.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2736	1892	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe	32
PID 1892 wrote to memory of 2736	1892	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe	32
PID 1892 wrote to memory of 2736	1892	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe	32
PID 1892 wrote to memory of 2736	1892	1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe	32

C:\Users\Admin\AppData\Local\Temp\1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe
"C:\Users\Admin\AppData\Local\Temp\1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- 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
  PID:2736

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\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
843KB

MD5
787b41af9d28bb93bb3b8e574f06a4cf

SHA1
9fca5a5fcbd4c1e38e9b1fa52a6af916c3267cd7

SHA256
1f1a5f729de96c4f5d3f317ba1254ca8b2ccbc4538e0a9664326a57e613eed64

SHA512
51663df1670c6da11d262e654fb3cd700b10d1fac2398ff900ff7be84673f6120dbe0290d877b9e07adb53633d5118ed29c5f585d2494a445070c4517e80c740

Download Submit
memory/1892-8-0x0000000004870000-0x00000000048BE000-memory.dmp

Filesize
312KB

Download
memory/1892-14-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/1892-3-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/1892-4-0x00000000042A0000-0x00000000042EC000-memory.dmp

Filesize
304KB

Download
memory/1892-5-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/1892-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/1892-1-0x0000000000CB0000-0x0000000000D8A000-memory.dmp

Filesize
872KB

Download
memory/1892-2-0x0000000000270000-0x000000000027A000-memory.dmp

Filesize
40KB

Download
memory/2736-16-0x0000000072ECE000-0x0000000072ECF000-memory.dmp

Filesize
4KB

Download
memory/2736-18-0x0000000072EC0000-0x00000000735AE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-17-0x0000000000110000-0x00000000001EA000-memory.dmp

Filesize
872KB

Download
memory/2736-19-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/2736-20-0x0000000072ECE000-0x0000000072ECF000-memory.dmp

Filesize
4KB

Download
memory/2736-21-0x0000000072EC0000-0x00000000735AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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