3786d314f4e3906400b24657ed15fca047576eba9cf17630246db69503fdbea3

Analysis

max time kernel
98s
max time network
145s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
28-12-2024 18:38

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General

Target

OrcusRAT-main/Uninstall.exe
Size

101KB
MD5

4143d3bb52f6ca4aea06d4ae15db611f
SHA1

be6b949ed7be8ce752b7343d56d9c3f96b25a0d3
SHA256

1ff448e9e456f5ad022c2bffb16e0e94eeb6346e8befab695ec0f369349a1a0a
SHA512

2a9befa77e042ea32358c8e3c40e67b3ebf618744634878393a7f7121484371dd62f5d981d0aaef2280bb1a574379271abaf249708ed49b893924fb521cbd2d2
SSDEEP

1536:zO/z6hPABUjO/Zd1716EoLiL4l1HdIaqQPDm0xK8i6f0Zn9PRVW8sW45o7Nkn:kzgjO/Zd1RePDmZ8tf05iW4uM

Score

7^/10

discovery

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2366345620-3342093254-3461191856-1000\Control Panel\International\Geo\Nation	Uninstall.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	Uninstall.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4976	3968	Uninstall.exe	81
PID 3968 wrote to memory of 4976	3968	Uninstall.exe	81
PID 3968 wrote to memory of 4976	3968	Uninstall.exe	81

C:\Users\Admin\AppData\Local\Temp\OrcusRAT-main\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\OrcusRAT-main\Uninstall.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
  "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe" end
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe

Filesize
101KB

MD5
4143d3bb52f6ca4aea06d4ae15db611f

SHA1
be6b949ed7be8ce752b7343d56d9c3f96b25a0d3

SHA256
1ff448e9e456f5ad022c2bffb16e0e94eeb6346e8befab695ec0f369349a1a0a

SHA512
2a9befa77e042ea32358c8e3c40e67b3ebf618744634878393a7f7121484371dd62f5d981d0aaef2280bb1a574379271abaf249708ed49b893924fb521cbd2d2

Download Submit
memory/3968-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4976-2-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download