orcus | 71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4

General

Target

71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe
Size

5.0MB
MD5

ecb897fbec48d393966818f238a3a08c
SHA1

b1a79d839564bef6ceb8aa2812fa1be1d659c3b5
SHA256

71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4
SHA512

be629cb22b3a35414ca855fcd2c4c5c70599bec089f2c5ceb2a48d0a05ffbbbf393c10428a2e1e3e810caee9ff2233f5d244afe5e0c1afb5aa3dc5ee3690da4f
SSDEEP

24576:EAi4MROxnFVptJSerrcI0AilFEvxHPaooAZ:EgMihTSerrcI0AilFEvxHPn

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

172.30.186.213:10134

Mutex

d03c8bb7fd3145ff909313b6f02ad456

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Windows
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0035000000015c7f-11.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2196-1-0x0000000001310000-0x0000000001424000-memory.dmp	orcus
behavioral1/files/0x0035000000015c7f-11.dat	orcus
behavioral1/memory/2240-19-0x0000000001190000-0x00000000012A4000-memory.dmp	orcus

Executes dropped EXE 1 IoCs

pid	Process
2240	Orcus.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	Orcus.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2240	Orcus.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2240	2196	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe	28
PID 2196 wrote to memory of 2240	2196	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe	28
PID 2196 wrote to memory of 2240	2196	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe	28
PID 2196 wrote to memory of 2240	2196	71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe	28

C:\Users\Admin\AppData\Local\Temp\71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe
"C:\Users\Admin\AppData\Local\Temp\71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Program Files (x86)\Orcus\Orcus.exe

Filesize
5.0MB

MD5
ecb897fbec48d393966818f238a3a08c

SHA1
b1a79d839564bef6ceb8aa2812fa1be1d659c3b5

SHA256
71a2ad343ee370d37b0df04d25b6baa6c6c30ca6ed144f160f4d3abd22aa02c4

SHA512
be629cb22b3a35414ca855fcd2c4c5c70599bec089f2c5ceb2a48d0a05ffbbbf393c10428a2e1e3e810caee9ff2233f5d244afe5e0c1afb5aa3dc5ee3690da4f

Download Submit
memory/2196-15-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-1-0x0000000001310000-0x0000000001424000-memory.dmp

Filesize
1.1MB

Download
memory/2196-2-0x0000000000470000-0x000000000047E000-memory.dmp

Filesize
56KB

Download
memory/2196-3-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-4-0x00000000004D0000-0x000000000052C000-memory.dmp

Filesize
368KB

Download
memory/2196-5-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/2196-6-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/2196-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2240-18-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-19-0x0000000001190000-0x00000000012A4000-memory.dmp

Filesize
1.1MB

Download
memory/2240-20-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2240-21-0x0000000000B50000-0x0000000000B9E000-memory.dmp

Filesize
312KB

Download
memory/2240-22-0x0000000000BA0000-0x0000000000BB8000-memory.dmp

Filesize
96KB

Download
memory/2240-23-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download
memory/2240-24-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-25-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-26-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads