orcus | 7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763

Analysis

max time kernel
92s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 01:18

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General

Target

7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe
Size

915KB
MD5

f37bc9964f10880e3e89528cc4d1f677
SHA1

3657ae613f45ae0609b0bea854104f1bd398b038
SHA256

7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763
SHA512

a4dea6d511b8fd167f130a8e85a549a7f80869ca8584fd129437b991bab227823852b8e5274ec082714e0bf5388aefbd7a5f6ff17f15335ecb2b3ba634c0b450
SSDEEP

24576:lBB4MROxnF033dkrrcI0AilFEvxHPmooo:lQMi+SrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

100.114.145.122:7777

Mutex

58040c8e707f46aeaa354c0509774164

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\userprofile
reconnect_delay
10000
registry_keyname
svchostt
taskscheduler_taskname
svchostt
watchdog_path
AppData\powershell.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/0x0007000000023298-22.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1424-1-0x0000000000280000-0x000000000036A000-memory.dmp	orcus
behavioral2/files/0x0007000000023298-22.dat	orcus

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\userprofile	7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe
File opened for modification	C:\Program Files (x86)\userprofile	7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe
File created	C:\Program Files (x86)\userprofile.config	7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2604	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe
"C:\Users\Admin\AppData\Local\Temp\7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763.exe"
1⤵
- Drops file in Program Files directory
- Modifies registry class
PID:1424

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\userprofile

Filesize
915KB

MD5
f37bc9964f10880e3e89528cc4d1f677

SHA1
3657ae613f45ae0609b0bea854104f1bd398b038

SHA256
7735b9fa1bf55cf0c008e81deb1353cf6465a6a0513f00670fc3eb4254562763

SHA512
a4dea6d511b8fd167f130a8e85a549a7f80869ca8584fd129437b991bab227823852b8e5274ec082714e0bf5388aefbd7a5f6ff17f15335ecb2b3ba634c0b450

Download Submit
memory/1424-7-0x0000000005240000-0x0000000005252000-memory.dmp

Filesize
72KB

Download
memory/1424-10-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/1424-4-0x0000000004B90000-0x0000000004BEC000-memory.dmp

Filesize
368KB

Download
memory/1424-3-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/1424-5-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/1424-6-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/1424-8-0x0000000005250000-0x0000000005258000-memory.dmp

Filesize
32KB

Download
memory/1424-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/1424-2-0x0000000004B80000-0x0000000004B8E000-memory.dmp

Filesize
56KB

Download
memory/1424-11-0x0000000005F30000-0x0000000006548000-memory.dmp

Filesize
6.1MB

Download
memory/1424-9-0x0000000005810000-0x0000000005818000-memory.dmp

Filesize
32KB

Download
memory/1424-12-0x0000000005970000-0x0000000005982000-memory.dmp

Filesize
72KB

Download
memory/1424-13-0x00000000059D0000-0x0000000005A0C000-memory.dmp

Filesize
240KB

Download
memory/1424-14-0x0000000005A10000-0x0000000005A5C000-memory.dmp

Filesize
304KB

Download
memory/1424-15-0x0000000005B90000-0x0000000005C9A000-memory.dmp

Filesize
1.0MB

Download
memory/1424-1-0x0000000000280000-0x000000000036A000-memory.dmp

Filesize
936KB

Download
memory/1424-29-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download