Malware Analysis Report

2025-03-15 03:55

Sample ID 230515-hcshmsfa96
Target 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
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

84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb

Threat Level: Known bad

The file 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb was found to be: Known bad.

Malicious Activity Summary

fatalrat infostealer rat

FatalRat

Fatal Rat payload

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

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

120s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.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\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.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\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

"C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

"C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"

Network

Country Destination Domain Proto
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp

Files

memory/2016-54-0x0000000010000000-0x000000001001C000-memory.dmp

\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

memory/920-69-0x0000000010000000-0x000000001001C000-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

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.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\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

"C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

"C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
IE 20.54.89.15:443 tcp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
US 8.8.8.8:53 164.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
HK 154.39.238.12:8081 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 14.103.197.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
HK 154.39.238.12:8081 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 20.189.173.3:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 105.104.123.20.in-addr.arpa udp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
HK 154.39.238.12:8081 tcp
US 117.18.237.29:80 tcp
HK 154.39.238.12:8081 tcp
US 8.8.8.8:53 99.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 250.255.255.239.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 50.4.107.13.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 7.178.17.96.in-addr.arpa udp
HK 154.39.238.12:8081 tcp
HK 154.39.238.12:8081 tcp
US 8.8.8.8:53 16.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.232.18.117.in-addr.arpa udp

Files

memory/2652-133-0x0000000010000000-0x000000001001C000-memory.dmp

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802

C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe

MD5 011c506d3654778cec0f22e6ff24ba22
SHA1 05cfb001a62e704a592a882b34b40fb322255400
SHA256 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512 a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802