78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 03:33

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General

Target

78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe
Size

197KB
MD5

11186b8579ddb7e5132a8957d4b07da9
SHA1

ce88bc8c3815e44a560f50538b6cc9fe131156b3
SHA256

78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860
SHA512

585366f20ee2b57494ef35968f875ab152e91ca7b5cefbc64e0135599a21c8d9e1f8de1cab9c33e573b83fa799990e734973b56c866992d92bc6cf529a420589
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOd:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXY

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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe

Executes dropped EXE 1 IoCs

pid	Process
3016	uyghost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\uyghost.exe	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe
File opened for modification	C:\Windows\Debug\uyghost.exe	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.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	2384	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 3536	2384	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe	92
PID 2384 wrote to memory of 3536	2384	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe	92
PID 2384 wrote to memory of 3536	2384	78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe	92

C:\Users\Admin\AppData\Local\Temp\78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe
"C:\Users\Admin\AppData\Local\Temp\78cd34258d135b3a8f62ddfa75f1b3d9617469c07bed6cd31c716b2210186860.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\78CD34~1.EXE > nul
  2⤵
  PID:3536

C:\Windows\Debug\uyghost.exe
C:\Windows\Debug\uyghost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3016

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
197KB

MD5
ecc5d325af008a819b35c06582ffabbf

SHA1
6679c47c3a75fa466e550e71312846d5315e6550

SHA256
c309486895d93674baef6777b336475141264384d50fe52498a5d53aa0ed970e

SHA512
a9149ea120ba3b12c1c7e75a4ea2ec89c6d775a206e009cc61db7ccab9eb15a9fddaa9a1d45e8fc58a950e4534683f4016e35755ba11ed7786cadbb9977ccd85

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads