4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b

Analysis

max time kernel
154s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 04:32

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General

Target

4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe
Size

196KB
MD5

0a7bffc4d95e8d1bacd24bb3d603dd1c
SHA1

cdf7a80a383ded0ba568533c499bd9a69c691247
SHA256

4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b
SHA512

986d8b8c8818e7e73655a1f19d25b5b9a1267ee45178ceb72364336b55fa881f02ae2481204486de52b55c68d036ad20a72f63699c26ba1d753b39c6ab363fa1
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOZ:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXQ

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	riyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\riyhost.exe	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe
File opened for modification	C:\Windows\Debug\riyhost.exe	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.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	riyhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	riyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3160	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 1828	3160	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe	89
PID 3160 wrote to memory of 1828	3160	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe	89
PID 3160 wrote to memory of 1828	3160	4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe	89

C:\Users\Admin\AppData\Local\Temp\4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe
"C:\Users\Admin\AppData\Local\Temp\4225c513e03c238f93433648fac7274cdbe4ad963d7d817a3dd950d8db0beb5b.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4225C5~1.EXE > nul
  2⤵
  PID:1828

C:\Windows\Debug\riyhost.exe
C:\Windows\Debug\riyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4484

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\riyhost.exe

Filesize
196KB

MD5
e396b029a8c64db958187f7015cf6285

SHA1
ee4c6052f90218440577156a07fff0a537272239

SHA256
1e86022bffe22f0afb557160db89c033fefd645d923627484275a4cab6e2bd43

SHA512
06a2170b6cf6fe1ded8936194367ee5a5511b05d0630dbde76cc92dfb7c53b43fdc2c062be04779664f5c7e52aa3f53a9ca9859d918e84d8b584dbfa3ef7bba5

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads