Malware Analysis Report

2025-03-15 03:54

Sample ID 230515-hcs46sfa98
Target e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
Tags
fatalrat infostealer rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889

Threat Level: Known bad

The file e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889 was found to be: Known bad.

Malicious Activity Summary

fatalrat infostealer rat

FatalRat

Fatal Rat payload

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-15 06:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-15 06:35

Reported

2023-05-15 06:38

Platform

win7-20230220-en

Max time kernel

121s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

Signatures

FatalRat

infostealer rat 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\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

"C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

"C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

Network

Country Destination Domain Proto
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp

Files

memory/1568-54-0x0000000010000000-0x000000001002A000-memory.dmp

\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

memory/1332-69-0x0000000010000000-0x000000001002A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-15 06:35

Reported

2023-05-15 06:38

Platform

win10v2004-20230220-en

Max time kernel

124s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

Signatures

FatalRat

infostealer rat 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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

"C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

"C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"

Network

Country Destination Domain Proto
US 52.242.101.226:443 tcp
HK 103.100.211.80:8081 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
HK 103.100.211.80:8081 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 138.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
HK 103.100.211.80:8081 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
HK 103.100.211.80:8081 tcp
US 13.89.178.27:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 14.103.197.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 7.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa udp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp
US 209.197.3.8:80 tcp
HK 103.100.211.80:8081 tcp
HK 103.100.211.80:8081 tcp

Files

memory/4656-133-0x0000000010000000-0x000000001002A000-memory.dmp

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

MD5 eb66dc24802087a923db24580d5fda89
SHA1 0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256 e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512 21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6