Malware Analysis Report

2025-03-15 03:48

Sample ID 250226-fagl9azjz6
Target 1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9
SHA256 1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9
Tags
fatalrat discovery infostealer rat stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9

Threat Level: Known bad

The file 1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9 was found to be: Known bad.

Malicious Activity Summary

fatalrat discovery infostealer rat stealer trojan

FatalRat

Fatalrat family

Fatal Rat payload

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-26 04:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-26 04:39

Reported

2025-02-26 04:42

Platform

win7-20240903-en

Max time kernel

133s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

Signatures

FatalRat

stealer trojan fatalrat

Fatalrat family

fatalrat

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

"C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

"C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

Network

Country Destination Domain Proto
CN 103.40.253.231:80 tcp
CN 103.40.253.231:80 tcp
CN 103.40.253.231:8081 tcp
CN 103.40.253.231:8081 tcp
CN 103.40.253.231:8081 tcp
CN 103.40.253.231:8081 tcp

Files

memory/2544-0-0x0000000010000000-0x000000001002A000-memory.dmp

\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

MD5 e0b76e3395eab673f9e746c53958aa01
SHA1 88e0303240de00974ace7d0e5961a092ff6553ec
SHA256 1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9
SHA512 9aeeab428b081d6e4216242b387cae1ebf00d3e9d34edd06159c1ae9defdfdbc51805043f357eeabcadd653823fb526b117b367c9a522a422a79a38617d60283

memory/2836-15-0x0000000010000000-0x000000001002A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-26 04:39

Reported

2025-02-26 04:42

Platform

win10v2004-20250217-en

Max time kernel

127s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

Signatures

FatalRat

stealer trojan fatalrat

Fatalrat family

fatalrat

Fatal Rat payload

rat infostealer
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

"C:\Users\Admin\AppData\Local\Temp\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

"C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe"

Network

Country Destination Domain Proto
CN 103.40.253.231:80 tcp
CN 103.40.253.231:8081 tcp
CN 103.40.253.231:8081 tcp
CN 103.40.253.231:8081 tcp
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
CN 103.40.253.231:8081 tcp

Files

memory/4764-0-0x0000000010000000-0x000000001002A000-memory.dmp

C:\Users\Admin\AppData\Local\1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9.exe

MD5 e0b76e3395eab673f9e746c53958aa01
SHA1 88e0303240de00974ace7d0e5961a092ff6553ec
SHA256 1e7e6ca2cb29b1ccce5fe9c21b9a66295d78e5865901a6cdeedf22fc29b51ff9
SHA512 9aeeab428b081d6e4216242b387cae1ebf00d3e9d34edd06159c1ae9defdfdbc51805043f357eeabcadd653823fb526b117b367c9a522a422a79a38617d60283