orcus | d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 01:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
Size

922KB
MD5

2f3d6c45b5c428d17471d1c4d1c066a6
SHA1

ef3ae75ab3bbef79f8e56ce313f2813e096f2bb7
SHA256

d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0
SHA512

417a9fdbf7006c0b09386b75ac8ed24be44eda2a7e3263c093e0dd2eb109a2f167ac2ac8168f709c06abccee03e9de97456d03a3afa6852e278b49af1e342502
SSDEEP

24576:21j4MROxnFi3xs4rrcI0AilFEvxHPuooyX:2iMioK4rrcI0AilFEvxHP

Score

10^/10

orcus blumhack rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Blumhack

192.168.1.69:10134

Mutex

92734687817a427285a117577619b55d

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Blumhack
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

Processes:

resource yara_rule

C:\Program Files (x86)\Orcus\Orcus.exe family_orcus
Orcurs Rat Executable 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/3956-1-0x0000000000210000-0x00000000002FC000-memory.dmp orcus
C:\Program Files (x86)\Orcus\Orcus.exe orcus

resource	yara_rule
C:\Program Files (x86)\Orcus\Orcus.exe	family_orcus

resource	yara_rule
behavioral2/memory/3956-1-0x0000000000210000-0x00000000002FC000-memory.dmp	orcus
C:\Program Files (x86)\Orcus\Orcus.exe	orcus

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exeOrcus.exeOrcusWatchdog.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe

Executes dropped EXE 4 IoCs

Processes:

Orcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

pid process

4964 Orcus.exe
3252 Orcus.exe
4956 OrcusWatchdog.exe
2828 OrcusWatchdog.exe

Drops file in Program Files directory 3 IoCs

Processes:

d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Orcus.exeOrcusWatchdog.exe

pid	process
4964	Orcus.exe
4964	Orcus.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
2828	OrcusWatchdog.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe
4964	Orcus.exe
2828	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description pid process

Token: SeDebugPrivilege 4964 Orcus.exe
Token: SeDebugPrivilege 4956 OrcusWatchdog.exe
Token: SeDebugPrivilege 2828 OrcusWatchdog.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid process

4964 Orcus.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid process

4964 Orcus.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Orcus.exe

pid process

4964 Orcus.exe

description	pid	process
Token: SeDebugPrivilege	4964	Orcus.exe
Token: SeDebugPrivilege	4956	OrcusWatchdog.exe
Token: SeDebugPrivilege	2828	OrcusWatchdog.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exeOrcus.exeOrcusWatchdog.exe

description	pid	process	target process
PID 3956 wrote to memory of 4964	3956	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe	Orcus.exe
PID 3956 wrote to memory of 4964	3956	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe	Orcus.exe
PID 3956 wrote to memory of 4964	3956	d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe	Orcus.exe
PID 4964 wrote to memory of 4956	4964	Orcus.exe	OrcusWatchdog.exe
PID 4964 wrote to memory of 4956	4964	Orcus.exe	OrcusWatchdog.exe
PID 4964 wrote to memory of 4956	4964	Orcus.exe	OrcusWatchdog.exe
PID 4956 wrote to memory of 2828	4956	OrcusWatchdog.exe	OrcusWatchdog.exe
PID 4956 wrote to memory of 2828	4956	OrcusWatchdog.exe	OrcusWatchdog.exe
PID 4956 wrote to memory of 2828	4956	OrcusWatchdog.exe	OrcusWatchdog.exe

C:\Users\Admin\AppData\Local\Temp\d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe
"C:\Users\Admin\AppData\Local\Temp\d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3956

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4964 /protectFile
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4964 "/protectFile"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:3252

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Orcus\Orcus.exe
Filesize
922KB

MD5
2f3d6c45b5c428d17471d1c4d1c066a6

SHA1
ef3ae75ab3bbef79f8e56ce313f2813e096f2bb7

SHA256
d2700db3d7145017e4570a4e19aa6e44dc1a87543637e1195dbe169318c16dd0

SHA512
417a9fdbf7006c0b09386b75ac8ed24be44eda2a7e3263c093e0dd2eb109a2f167ac2ac8168f709c06abccee03e9de97456d03a3afa6852e278b49af1e342502

Download Submit
C:\Program Files (x86)\Orcus\Orcus.exe.config
Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\OrcusWatchdog.exe.log
Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_92734687817a427285a117577619b55d.dat
Filesize
1KB

MD5
e88de07fc968460e6e9251e1b0a3d35b

SHA1
572af1188e404c5711862dc29211f2d9d1b0f8a8

SHA256
3c27da86da2e7df28eb98ee30cefe5e3059184742098ccb9252b7c35bfb95910

SHA512
50db9babb8007cc1f37b13d0b2e3d57f94231b43c7c3a09d044e00a3ac30b438cfccaf7b7e0ad35b50f3773f1f1c49a7d457305ab9e1913472611c29c2cf406a

Download Submit
memory/3252-44-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-41-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3252-64-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-12-0x0000000005A40000-0x0000000005A52000-memory.dmp

Filesize
72KB

Download
memory/3956-6-0x0000000004E20000-0x0000000004EB2000-memory.dmp

Filesize
584KB

Download
memory/3956-10-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/3956-11-0x0000000006010000-0x0000000006628000-memory.dmp

Filesize
6.1MB

Download
memory/3956-8-0x0000000005320000-0x0000000005328000-memory.dmp

Filesize
32KB

Download
memory/3956-13-0x0000000005AA0000-0x0000000005ADC000-memory.dmp

Filesize
240KB

Download
memory/3956-14-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

Filesize
304KB

Download
memory/3956-15-0x0000000005C60000-0x0000000005D6A000-memory.dmp

Filesize
1.0MB

Download
memory/3956-7-0x0000000005310000-0x0000000005322000-memory.dmp

Filesize
72KB

Download
memory/3956-9-0x0000000005330000-0x0000000005338000-memory.dmp

Filesize
32KB

Download
memory/3956-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/3956-33-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-5-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/3956-4-0x0000000004D00000-0x0000000004D5C000-memory.dmp

Filesize
368KB

Download
memory/3956-3-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/3956-1-0x0000000000210000-0x00000000002FC000-memory.dmp

Filesize
944KB

Download
memory/3956-2-0x00000000026E0000-0x00000000026EE000-memory.dmp

Filesize
56KB

Download
memory/4956-59-0x0000000000930000-0x0000000000938000-memory.dmp

Filesize
32KB

Download
memory/4964-32-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-43-0x0000000007280000-0x0000000007290000-memory.dmp

Filesize
64KB

Download
memory/4964-42-0x0000000007440000-0x0000000007602000-memory.dmp

Filesize
1.8MB

Download
memory/4964-45-0x00000000073C0000-0x00000000073CA000-memory.dmp

Filesize
40KB

Download
memory/4964-39-0x00000000070F0000-0x0000000007108000-memory.dmp

Filesize
96KB

Download
memory/4964-38-0x0000000006880000-0x0000000006898000-memory.dmp

Filesize
96KB

Download
memory/4964-37-0x0000000006EE0000-0x0000000006F2E000-memory.dmp

Filesize
312KB

Download
memory/4964-34-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-65-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-66-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download

pid	process
4964	Orcus.exe
3252	Orcus.exe
4956	OrcusWatchdog.exe
2828	OrcusWatchdog.exe