orcus | 7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 01:20

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General

Target

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
Size

917KB
MD5

b89e484260d55420abd2837adf1fbb5e
SHA1

25f5e70c144f9bf3383892104c82f7382f824424
SHA256

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a
SHA512

983f3116111a999f316d494a7db538e6f9a2f2f2fa811fb08e28628a435876e7c52577f2998f3e700599d128c95f4afa189e117f3cda7003694de65a423c2952
SSDEEP

24576:+554MROxnFD3cw8XlrrcI0AilFEvxHPhCoog:+QMiJArrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

selected-prove.gl.at.ply.gg:23398

Mutex

607dffe61a7d4757a14c10330fc5e802

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Microsoft\Edge\Application\msupdate.exe
reconnect_delay
10000
registry_keyname
Microsoft Edgde Updater
taskscheduler_taskname
Microsoft Edge Runtime
watchdog_path
Temp\ALKI@#PI!J)PRa)(r.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)\Microsoft\Edge\Application\msupdate.exe family_orcus
Orcurs Rat Executable 2 IoCs

Processes:

resource yara_rule

behavioral2/memory/1892-1-0x00000000006E0000-0x00000000007CA000-memory.dmp orcus
C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe orcus

resource	yara_rule
C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe	family_orcus

resource	yara_rule
behavioral2/memory/1892-1-0x00000000006E0000-0x00000000007CA000-memory.dmp	orcus
C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.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:

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exemsupdate.exeALKI@#PI!J)PRa)(r.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	msupdate.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	ALKI@#PI!J)PRa)(r.exe

Executes dropped EXE 6 IoCs

Processes:

WindowsInput.exeWindowsInput.exemsupdate.exemsupdate.exeALKI@#PI!J)PRa)(r.exeALKI@#PI!J)PRa)(r.exe

pid process

3092 WindowsInput.exe
1928 WindowsInput.exe
4276 msupdate.exe
2052 msupdate.exe
4972 ALKI@#PI!J)PRa)(r.exe
2784 ALKI@#PI!J)PRa)(r.exe

pid	process
3092	WindowsInput.exe
1928	WindowsInput.exe
4276	msupdate.exe
2052	msupdate.exe
4972	ALKI@#PI!J)PRa)(r.exe
2784	ALKI@#PI!J)PRa)(r.exe

Drops file in System32 directory 3 IoCs

Processes:

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exeWindowsInput.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

Processes:

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe.config	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.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:

msupdate.exeALKI@#PI!J)PRa)(r.exe

pid	process
4276	msupdate.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
2784	ALKI@#PI!J)PRa)(r.exe
2784	ALKI@#PI!J)PRa)(r.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe
4276	msupdate.exe
2784	ALKI@#PI!J)PRa)(r.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ALKI@#PI!J)PRa)(r.exemsupdate.exeALKI@#PI!J)PRa)(r.exe

description pid process

Token: SeDebugPrivilege 4972 ALKI@#PI!J)PRa)(r.exe
Token: SeDebugPrivilege 4276 msupdate.exe
Token: SeDebugPrivilege 2784 ALKI@#PI!J)PRa)(r.exe

description	pid	process
Token: SeDebugPrivilege	4972	ALKI@#PI!J)PRa)(r.exe
Token: SeDebugPrivilege	4276	msupdate.exe
Token: SeDebugPrivilege	2784	ALKI@#PI!J)PRa)(r.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exemsupdate.exeALKI@#PI!J)PRa)(r.exe

description	pid	process	target process
PID 1892 wrote to memory of 3092	1892	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe	WindowsInput.exe
PID 1892 wrote to memory of 3092	1892	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe	WindowsInput.exe
PID 1892 wrote to memory of 4276	1892	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe	msupdate.exe
PID 1892 wrote to memory of 4276	1892	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe	msupdate.exe
PID 1892 wrote to memory of 4276	1892	7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe	msupdate.exe
PID 4276 wrote to memory of 4972	4276	msupdate.exe	ALKI@#PI!J)PRa)(r.exe
PID 4276 wrote to memory of 4972	4276	msupdate.exe	ALKI@#PI!J)PRa)(r.exe
PID 4276 wrote to memory of 4972	4276	msupdate.exe	ALKI@#PI!J)PRa)(r.exe
PID 4972 wrote to memory of 2784	4972	ALKI@#PI!J)PRa)(r.exe	ALKI@#PI!J)PRa)(r.exe
PID 4972 wrote to memory of 2784	4972	ALKI@#PI!J)PRa)(r.exe	ALKI@#PI!J)PRa)(r.exe
PID 4972 wrote to memory of 2784	4972	ALKI@#PI!J)PRa)(r.exe	ALKI@#PI!J)PRa)(r.exe

C:\Users\Admin\AppData\Local\Temp\7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe
"C:\Users\Admin\AppData\Local\Temp\7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:3092

C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4276

C:\Users\Admin\AppData\Local\Temp\ALKI@#PI!J)PRa)(r.exe
"C:\Users\Admin\AppData\Local\Temp\ALKI@#PI!J)PRa)(r.exe" /launchSelfAndExit "C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe" 4276 /protectFile
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972

C:\Users\Admin\AppData\Local\Temp\ALKI@#PI!J)PRa)(r.exe
"C:\Users\Admin\AppData\Local\Temp\ALKI@#PI!J)PRa)(r.exe" /watchProcess "C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe" 4276 "/protectFile"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:1928

C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe"
1⤵
- Executes dropped EXE
PID:2052

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

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Downloads

C:\Program Files (x86)\Microsoft\Edge\Application\msupdate.exe
Filesize
917KB

MD5
b89e484260d55420abd2837adf1fbb5e

SHA1
25f5e70c144f9bf3383892104c82f7382f824424

SHA256
7076a4830f2294b3f5ed5f695a6809bf30d2532fe768a579e8a13d6ed90d957a

SHA512
983f3116111a999f316d494a7db538e6f9a2f2f2fa811fb08e28628a435876e7c52577f2998f3e700599d128c95f4afa189e117f3cda7003694de65a423c2952

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ALKI@#PI!J)PRa)(r.exe.log
Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\ALKI@#PI!J)PRa)(r.exe
Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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/1892-4-0x0000000004FF0000-0x000000000504C000-memory.dmp

Filesize
368KB

Download
memory/1892-6-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/1892-7-0x00000000051C0000-0x00000000051D2000-memory.dmp

Filesize
72KB

Download
memory/1892-8-0x0000000005C90000-0x0000000005CB2000-memory.dmp

Filesize
136KB

Download
memory/1892-5-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/1892-3-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/1892-2-0x0000000004FE0000-0x0000000004FEE000-memory.dmp

Filesize
56KB

Download
memory/1892-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/1892-48-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/1892-1-0x00000000006E0000-0x00000000007CA000-memory.dmp

Filesize
936KB

Download
memory/1928-33-0x000000001B610000-0x000000001B71A000-memory.dmp

Filesize
1.0MB

Download
memory/1928-74-0x00007FFD85900000-0x00007FFD863C1000-memory.dmp

Filesize
10.8MB

Download
memory/1928-32-0x00007FFD85900000-0x00007FFD863C1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-25-0x0000000002D80000-0x0000000002DBC000-memory.dmp

Filesize
240KB

Download
memory/3092-30-0x00007FFD85900000-0x00007FFD863C1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-26-0x00007FFD85900000-0x00007FFD863C1000-memory.dmp

Filesize
10.8MB

Download
memory/3092-24-0x0000000002CD0000-0x0000000002CE2000-memory.dmp

Filesize
72KB

Download
memory/3092-23-0x0000000000C40000-0x0000000000C4C000-memory.dmp

Filesize
48KB

Download
memory/3092-22-0x00007FFD85903000-0x00007FFD85905000-memory.dmp

Filesize
8KB

Download
memory/4276-49-0x0000000005260000-0x0000000005272000-memory.dmp

Filesize
72KB

Download
memory/4276-50-0x00000000056A0000-0x00000000056EE000-memory.dmp

Filesize
312KB

Download
memory/4276-51-0x0000000005730000-0x0000000005748000-memory.dmp

Filesize
96KB

Download
memory/4276-53-0x0000000005F90000-0x0000000005FA8000-memory.dmp

Filesize
96KB

Download
memory/4276-54-0x0000000006150000-0x0000000006160000-memory.dmp

Filesize
64KB

Download
memory/4276-55-0x00000000064A0000-0x00000000064AA000-memory.dmp

Filesize
40KB

Download
memory/4972-69-0x0000000000B50000-0x0000000000B58000-memory.dmp

Filesize
32KB

Download