Malware Analysis Report

2025-06-16 06:50

Sample ID 220823-amwdaahhe2
Target xhm4wgmcMRkP.exe
SHA256 4625b1f6546a9ead13f9cfde4bfa29c431d32b76dd5efd7bedbf1adebde07272
Tags
nyan cat njrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4625b1f6546a9ead13f9cfde4bfa29c431d32b76dd5efd7bedbf1adebde07272

Threat Level: Known bad

The file xhm4wgmcMRkP.exe was found to be: Known bad.

Malicious Activity Summary

nyan cat njrat

Njrat family

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-08-23 00:20

Signatures

Njrat family

njrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-23 00:20

Reported

2022-08-23 00:22

Platform

win7-20220812-en

Max time kernel

143s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe

"C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp

Files

memory/1576-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

memory/1576-55-0x0000000074780000-0x0000000074D2B000-memory.dmp

memory/1576-56-0x0000000074780000-0x0000000074D2B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-23 00:20

Reported

2022-08-23 00:22

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe

"C:\Users\Admin\AppData\Local\Temp\xhm4wgmcMRkP.exe"

Network

Country Destination Domain Proto
IE 20.190.159.75:443 tcp
BE 8.238.110.126:80 tcp
US 8.8.8.8:53 4Mekey.myftp.biz udp
US 198.23.212.148:2411 4Mekey.myftp.biz tcp
US 20.189.173.10:443 tcp
BE 8.238.111.126:80 tcp
BE 8.238.110.126:80 tcp
BE 8.238.111.126:80 tcp

Files

memory/4528-132-0x0000000074E10000-0x00000000753C1000-memory.dmp

memory/4528-133-0x0000000074E10000-0x00000000753C1000-memory.dmp