dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 15:42

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General

Target

dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe
Size

196KB
MD5

5cdba07e027071a707abd3d40cc8f935
SHA1

bfd624b287f73d723e03e6aeb31c738172b29e0e
SHA256

dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579
SHA512

7b3c90c2708a40b8ec06c7b46fcac059f85e28e37f9a425c00ae42a21f66d43cbd7318b47d41bba05d081339288022a6040c354ca0fa1e32cc796ef1ee4faff0
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOy:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX/

Score

7^/10

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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe

Executes dropped EXE 1 IoCs

pid	Process
4736	uyghost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\uyghost.exe	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe
File opened for modification	C:\Windows\Debug\uyghost.exe	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	uyghost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	uyghost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5032	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 5072	5032	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe	92
PID 5032 wrote to memory of 5072	5032	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe	92
PID 5032 wrote to memory of 5072	5032	dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe	92

C:\Users\Admin\AppData\Local\Temp\dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe
"C:\Users\Admin\AppData\Local\Temp\dd499234ddb9fbf033eb5a22ddc40fe85191dcf5b6ef653fad371718c4ec8579.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DD4992~1.EXE > nul
  2⤵
  PID:5072

C:\Windows\Debug\uyghost.exe
C:\Windows\Debug\uyghost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4736

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\uyghost.exe

Filesize
196KB

MD5
66a22346f178e975555bd430640686e2

SHA1
25e146f98a4e0075180f94a47c3231fecc382692

SHA256
16bbf9d1d6a45dabc251efeff8fc1d0761de809470a355b3f1f43409c4d29d95

SHA512
2e980e8c2232cbe0e713e9ec80d7472226be6bedda8aca8ce0d3e44ce00612069c7539394f66b2e0401f91fb1b38936bbe7378a90ddfc0ec454086f9654982a8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads