orcus | 65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25

Analysis

max time kernel
0s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
06-06-2024 01:35

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General

Target

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
Size

910KB
MD5

c8bafcd4b39e5dc2776046134a2adaa4
SHA1

0ee1d413e568575eaa12f13cf7745c6c5cb3195b
SHA256

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25
SHA512

9b410d05fe3fec2e403daf3f3de6c448896f6485002779b6d0b52baa759c27062ac435a6af4e89fc35075ef65e427a5b55d79785e37e0c5d70453202ca9a68ce
SSDEEP

24576:lam4MROxnFrYurWrrcI0AilFEvxHPyEooP:lOMijWrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

77.232.132.25:10111

Mutex

ae5c58dd87ee40dbaebadd5cfbc3eb84

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcurs Rat Executable 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1096-1-0x0000000000FD0000-0x00000000010BA000-memory.dmp orcus

resource	yara_rule
behavioral2/memory/1096-1-0x0000000000FD0000-0x00000000010BA000-memory.dmp	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

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

Executes dropped EXE 1 IoCs

Processes:

WindowsInput.exe

pid process

2232 WindowsInput.exe

pid	process
2232	WindowsInput.exe

Drops file in System32 directory 2 IoCs

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

description	ioc	process
File created	C:\Windows\SysWOW64\WindowsInput.exe	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe

description	pid	process	target process
PID 1096 wrote to memory of 2232	1096	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe
PID 1096 wrote to memory of 2232	1096	65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe	WindowsInput.exe

C:\Users\Admin\AppData\Local\Temp\65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe
"C:\Users\Admin\AppData\Local\Temp\65c4f77289ad4832397b69edd0b3ecedb3d50588e9735b1dd8fc12496bff1c25.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
2⤵
- Executes dropped EXE
PID:2232

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
PID:1104

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:\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/1096-43-0x00000000077B0000-0x00000000077FC000-memory.dmp

Filesize
304KB

Download
memory/1096-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1096-47-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/1096-6-0x0000000005BD0000-0x0000000005C62000-memory.dmp

Filesize
584KB

Download
memory/1096-3-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/1096-7-0x0000000005BB0000-0x0000000005BC2000-memory.dmp

Filesize
72KB

Download
memory/1096-8-0x0000000006020000-0x0000000006042000-memory.dmp

Filesize
136KB

Download
memory/1096-2-0x0000000005A20000-0x0000000005A2E000-memory.dmp

Filesize
56KB

Download
memory/1096-46-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/1096-45-0x0000000008270000-0x0000000008432000-memory.dmp

Filesize
1.8MB

Download
memory/1096-1-0x0000000000FD0000-0x00000000010BA000-memory.dmp

Filesize
936KB

Download
memory/1096-44-0x0000000007930000-0x0000000007A3A000-memory.dmp

Filesize
1.0MB

Download
memory/1096-40-0x0000000007C50000-0x0000000008268000-memory.dmp

Filesize
6.1MB

Download
memory/1096-41-0x0000000007560000-0x0000000007572000-memory.dmp

Filesize
72KB

Download
memory/1096-4-0x0000000005A60000-0x0000000005ABC000-memory.dmp

Filesize
368KB

Download
memory/1096-5-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/1096-42-0x0000000007770000-0x00000000077AC000-memory.dmp

Filesize
240KB

Download
memory/1096-34-0x00000000069A0000-0x00000000069B8000-memory.dmp

Filesize
96KB

Download
memory/1096-35-0x0000000006B30000-0x0000000006B40000-memory.dmp

Filesize
64KB

Download
memory/1096-36-0x0000000006BF0000-0x0000000006BFA000-memory.dmp

Filesize
40KB

Download
memory/1096-39-0x0000000007590000-0x00000000075F6000-memory.dmp

Filesize
408KB

Download
memory/1104-33-0x000000001A1C0000-0x000000001A2CA000-memory.dmp

Filesize
1.0MB

Download
memory/1104-48-0x00007FF91B480000-0x00007FF91BF41000-memory.dmp

Filesize
10.8MB

Download
memory/1104-32-0x00007FF91B480000-0x00007FF91BF41000-memory.dmp

Filesize
10.8MB

Download
memory/2232-25-0x000000001C940000-0x000000001C97C000-memory.dmp

Filesize
240KB

Download
memory/2232-26-0x00007FF91B480000-0x00007FF91BF41000-memory.dmp

Filesize
10.8MB

Download
memory/2232-24-0x0000000002D00000-0x0000000002D12000-memory.dmp

Filesize
72KB

Download
memory/2232-22-0x0000000000C60000-0x0000000000C6C000-memory.dmp

Filesize
48KB

Download
memory/2232-23-0x00007FF91B483000-0x00007FF91B485000-memory.dmp

Filesize
8KB

Download
memory/2232-30-0x00007FF91B480000-0x00007FF91BF41000-memory.dmp

Filesize
10.8MB

Download