orcus | 778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:05

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General

Target

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
Size

924KB
MD5

0ee7e99678417ed9774308a536b29429
SHA1

90b5785ce51cf35c2bc176aafd42ddb75e945135
SHA256

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38
SHA512

0a7c6657c6650d4ce88b1a25312f5c3a84077966558f97459aa60e7f36234f0883fd9c2f5148ae93a6eedd524a99aa45dd41f4c0ae816e4d9895a3375630570e
SSDEEP

24576:lmHR4MROxnFE3kO30rrcI0AilFEvxHPNBoog:suMiuB0rrcI0AilFEvxHP

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

192.168.56.1:32123

Mutex

a2a32c9071074ce38ee0f2d33ff430a3

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
ti pidorasik
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/1656-1-0x00000000002D0000-0x00000000003BE000-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/1656-1-0x00000000002D0000-0x00000000003BE000-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:

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exeOrcus.exeOrcusWatchdog.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	OrcusWatchdog.exe

Executes dropped EXE 6 IoCs

Processes:

WindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

pid process

4724 WindowsInput.exe
836 WindowsInput.exe
4412 Orcus.exe
3368 Orcus.exe
4452 OrcusWatchdog.exe
1396 OrcusWatchdog.exe

pid	process
4724	WindowsInput.exe
836	WindowsInput.exe
4412	Orcus.exe
3368	Orcus.exe
4452	OrcusWatchdog.exe
1396	OrcusWatchdog.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Orcus.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

Processes:

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exeWindowsInput.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

Processes:

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe

description	ioc	process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.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
4412	Orcus.exe
4412	Orcus.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
1396	OrcusWatchdog.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe
4412	Orcus.exe
1396	OrcusWatchdog.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exe

description pid process

Token: SeDebugPrivilege 4412 Orcus.exe
Token: SeDebugPrivilege 4452 OrcusWatchdog.exe
Token: SeDebugPrivilege 1396 OrcusWatchdog.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Orcus.exe

pid process

4412 Orcus.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Orcus.exe

pid process

4412 Orcus.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Orcus.exe

pid process

4412 Orcus.exe

description	pid	process
Token: SeDebugPrivilege	4412	Orcus.exe
Token: SeDebugPrivilege	4452	OrcusWatchdog.exe
Token: SeDebugPrivilege	1396	OrcusWatchdog.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exeOrcus.exeOrcusWatchdog.exe

description	pid	process	target process
PID 1656 wrote to memory of 4724	1656	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe	WindowsInput.exe
PID 1656 wrote to memory of 4724	1656	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe	WindowsInput.exe
PID 1656 wrote to memory of 4412	1656	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe	Orcus.exe
PID 1656 wrote to memory of 4412	1656	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe	Orcus.exe
PID 1656 wrote to memory of 4412	1656	778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe	Orcus.exe
PID 4412 wrote to memory of 4452	4412	Orcus.exe	OrcusWatchdog.exe
PID 4412 wrote to memory of 4452	4412	Orcus.exe	OrcusWatchdog.exe
PID 4412 wrote to memory of 4452	4412	Orcus.exe	OrcusWatchdog.exe
PID 4452 wrote to memory of 1396	4452	OrcusWatchdog.exe	OrcusWatchdog.exe
PID 4452 wrote to memory of 1396	4452	OrcusWatchdog.exe	OrcusWatchdog.exe
PID 4452 wrote to memory of 1396	4452	OrcusWatchdog.exe	OrcusWatchdog.exe

C:\Users\Admin\AppData\Local\Temp\778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe
"C:\Users\Admin\AppData\Local\Temp\778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4724

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4412

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4412 /protectFile
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4412 "/protectFile"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:836

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
PID:3368

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe
Filesize
924KB

MD5
0ee7e99678417ed9774308a536b29429

SHA1
90b5785ce51cf35c2bc176aafd42ddb75e945135

SHA256
778a38eda2e11ab63431790b1839e9e4893e9090956ae1fee73602978d8cbb38

SHA512
0a7c6657c6650d4ce88b1a25312f5c3a84077966558f97459aa60e7f36234f0883fd9c2f5148ae93a6eedd524a99aa45dd41f4c0ae816e4d9895a3375630570e

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_a2a32c9071074ce38ee0f2d33ff430a3.dat
Filesize
1KB

MD5
a57c554bcda5c36a5d2812f1dafa8eac

SHA1
63d557ab5c646cbe095ec300d63ab9040582dbce

SHA256
1dcec034c7264c9207b434c008eadf4d1da81836348c26275916d539dde7686b

SHA512
a372ff58b84083e62dc1683a5100d1ee82a472d038d8f63ffd0d1be38fe55da9c9443483ec6d757383dbbf402cd817b6c23ea6cffb7c860c0566a0d81f0696b3

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe
Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config
Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/836-86-0x00007FF9D7EB0000-0x00007FF9D8971000-memory.dmp

Filesize
10.8MB

Download
memory/836-42-0x000000001A200000-0x000000001A30A000-memory.dmp

Filesize
1.0MB

Download
memory/836-41-0x00007FF9D7EB0000-0x00007FF9D8971000-memory.dmp

Filesize
10.8MB

Download
memory/1656-10-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/1656-8-0x0000000004EF0000-0x0000000004EF8000-memory.dmp

Filesize
32KB

Download
memory/1656-11-0x0000000006100000-0x0000000006718000-memory.dmp

Filesize
6.1MB

Download
memory/1656-12-0x0000000005B00000-0x0000000005B12000-memory.dmp

Filesize
72KB

Download
memory/1656-13-0x0000000005B60000-0x0000000005B9C000-memory.dmp

Filesize
240KB

Download
memory/1656-14-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

Filesize
304KB

Download
memory/1656-15-0x0000000005D20000-0x0000000005E2A000-memory.dmp

Filesize
1.0MB

Download
memory/1656-17-0x0000000006820000-0x0000000006842000-memory.dmp

Filesize
136KB

Download
memory/1656-9-0x00000000053F0000-0x00000000053F8000-memory.dmp

Filesize
32KB

Download
memory/1656-5-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/1656-1-0x00000000002D0000-0x00000000003BE000-memory.dmp

Filesize
952KB

Download
memory/1656-2-0x00000000028D0000-0x00000000028DE000-memory.dmp

Filesize
56KB

Download
memory/1656-4-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/1656-0-0x000000007534E000-0x000000007534F000-memory.dmp

Filesize
4KB

Download
memory/1656-3-0x0000000004D70000-0x0000000004DCC000-memory.dmp

Filesize
368KB

Download
memory/1656-58-0x0000000075340000-0x0000000075AF0000-memory.dmp

Filesize
7.7MB

Download
memory/1656-7-0x0000000004EE0000-0x0000000004EF2000-memory.dmp

Filesize
72KB

Download
memory/1656-6-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/4412-62-0x0000000006E10000-0x0000000006E5E000-memory.dmp

Filesize
312KB

Download
memory/4412-59-0x00000000054D0000-0x00000000054E2000-memory.dmp

Filesize
72KB

Download
memory/4412-63-0x0000000007000000-0x0000000007018000-memory.dmp

Filesize
96KB

Download
memory/4412-64-0x0000000007390000-0x0000000007552000-memory.dmp

Filesize
1.8MB

Download
memory/4412-65-0x00000000071B0000-0x00000000071C0000-memory.dmp

Filesize
64KB

Download
memory/4412-67-0x00000000076F0000-0x00000000076FA000-memory.dmp

Filesize
40KB

Download
memory/4452-81-0x0000000000AA0000-0x0000000000AA8000-memory.dmp

Filesize
32KB

Download
memory/4724-39-0x00007FF9D7EB0000-0x00007FF9D8971000-memory.dmp

Filesize
10.8MB

Download
memory/4724-35-0x00007FF9D7EB0000-0x00007FF9D8971000-memory.dmp

Filesize
10.8MB

Download
memory/4724-34-0x000000001B460000-0x000000001B49C000-memory.dmp

Filesize
240KB

Download
memory/4724-33-0x00000000029B0000-0x00000000029C2000-memory.dmp

Filesize
72KB

Download
memory/4724-32-0x0000000000920000-0x000000000092C000-memory.dmp

Filesize
48KB

Download
memory/4724-31-0x00007FF9D7EB3000-0x00007FF9D7EB5000-memory.dmp

Filesize
8KB

Download