orcus | c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5

General

Target

c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
Size

960KB
MD5

116f9a25f5eea9478f677914aa1412c0
SHA1

5d55670d45856ad0d56cefd3168a69d529d3230e
SHA256

c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5
SHA512

637eacb42e93d538f58f87f2f8a2626bba1d99f3dd0b575c070eadce8acb468531faa3ba977944875bb6aed1cab0737d1788529fd8f063a0be870aea8db50fa3
SSDEEP

24576:/G+4MROxnFQpSxXSjrrcI0AilFEvxHPdGooC6V:/WMiOKSjrrcI0AilFEvxHPz6

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.0.106:2287

Mutex

c0d90a4bf0ae4802bfb6b8a0ed354666

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\wr\wr.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Wr
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
behavioral2/files/0x000a000000023b96-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/996-0-0x0000000000F20000-0x0000000001014000-memory.dmp	orcus
behavioral2/files/0x000a000000023b96-13.dat	orcus

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe

Executes dropped EXE 2 IoCs

pid	Process
2160	wr.exe
2460	wr.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\wr\wr.exe	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
File opened for modification	C:\Program Files (x86)\wr\wr.exe	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
File created	C:\Program Files (x86)\wr\wr.exe.config	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2160	wr.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2160	wr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2160	996	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	85
PID 996 wrote to memory of 2160	996	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	85
PID 996 wrote to memory of 2160	996	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	85

C:\Users\Admin\AppData\Local\Temp\c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
"C:\Users\Admin\AppData\Local\Temp\c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:996
- C:\Program Files (x86)\wr\wr.exe
  "C:\Program Files (x86)\wr\wr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2160

C:\Program Files (x86)\wr\wr.exe
"C:\Program Files (x86)\wr\wr.exe"
1⤵
- Executes dropped EXE
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\wr\wr.exe

Filesize
960KB

MD5
116f9a25f5eea9478f677914aa1412c0

SHA1
5d55670d45856ad0d56cefd3168a69d529d3230e

SHA256
c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5

SHA512
637eacb42e93d538f58f87f2f8a2626bba1d99f3dd0b575c070eadce8acb468531faa3ba977944875bb6aed1cab0737d1788529fd8f063a0be870aea8db50fa3

Download Submit
C:\Program Files (x86)\wr\wr.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/996-23-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/996-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/996-2-0x0000000005940000-0x0000000005950000-memory.dmp

Filesize
64KB

Download
memory/996-3-0x00000000033C0000-0x00000000033CE000-memory.dmp

Filesize
56KB

Download
memory/996-4-0x00000000059C0000-0x0000000005A1C000-memory.dmp

Filesize
368KB

Download
memory/996-5-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/996-6-0x0000000005B30000-0x0000000005BC2000-memory.dmp

Filesize
584KB

Download
memory/996-7-0x0000000005B10000-0x0000000005B22000-memory.dmp

Filesize
72KB

Download
memory/996-0-0x0000000000F20000-0x0000000001014000-memory.dmp

Filesize
976KB

Download
memory/2160-24-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2160-25-0x0000000003430000-0x0000000003440000-memory.dmp

Filesize
64KB

Download
memory/2160-26-0x0000000005FC0000-0x000000000600E000-memory.dmp

Filesize
312KB

Download
memory/2160-27-0x0000000006050000-0x0000000006068000-memory.dmp

Filesize
96KB

Download
memory/2160-28-0x00000000067A0000-0x00000000067B8000-memory.dmp

Filesize
96KB

Download
memory/2160-30-0x0000000006970000-0x0000000006980000-memory.dmp

Filesize
64KB

Download
memory/2160-31-0x0000000006C70000-0x0000000006C7A000-memory.dmp

Filesize
40KB

Download
memory/2160-36-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2160-37-0x0000000003430000-0x0000000003440000-memory.dmp

Filesize
64KB

Download
memory/2460-32-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/2460-33-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/2460-35-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download

Analysis

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