Malware Analysis Report

2025-03-15 03:51

Sample ID 230829-3ch97agf55
Target ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
SHA256 ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
Tags
fatalrat infostealer persistence rat
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

ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7

Threat Level: Known bad

The file ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7 was found to be: Known bad.

Malicious Activity Summary

fatalrat infostealer persistence rat

FatalRat

Fatal Rat payload

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-29 23:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-29 23:22

Reported

2023-08-29 23:24

Platform

win7-20230712-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.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\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe" C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1632 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe
PID 1632 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe
PID 1632 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe
PID 1632 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe
PID 2892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe C:\Windows\SysWOW64\notepad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

"C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe"

C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

"C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe"

C:\Windows\SysWOW64\notepad.exe

notepad.exe

Network

Country Destination Domain Proto
US 38.181.24.204:80 38.181.24.204 tcp
US 38.181.24.204:8081 tcp
US 38.181.24.204:8081 tcp
US 38.181.24.204:8081 tcp
US 38.181.24.204:8081 tcp
US 38.181.24.204:8081 tcp

Files

memory/1632-5-0x0000000000FA0000-0x0000000000FD2000-memory.dmp

memory/1632-4-0x0000000010000000-0x0000000010031000-memory.dmp

memory/1632-9-0x0000000000F00000-0x0000000000F2A000-memory.dmp

\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

MD5 d22524d87aa7c70e91c3fcc8710b2a85
SHA1 98570ab9917639f71231ae2732000691f643b2bd
SHA256 ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
SHA512 9491f6c92e3e0a5e23e4ad79cfa0c7ee11982fb5bbc0fb1940ff273ae1a32f22560f9ab0eea3df03a7f70dd130a7c7e7d4a01b26e1f2b297bbe3f8f1d63fe336

C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

MD5 d22524d87aa7c70e91c3fcc8710b2a85
SHA1 98570ab9917639f71231ae2732000691f643b2bd
SHA256 ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
SHA512 9491f6c92e3e0a5e23e4ad79cfa0c7ee11982fb5bbc0fb1940ff273ae1a32f22560f9ab0eea3df03a7f70dd130a7c7e7d4a01b26e1f2b297bbe3f8f1d63fe336

C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

MD5 d22524d87aa7c70e91c3fcc8710b2a85
SHA1 98570ab9917639f71231ae2732000691f643b2bd
SHA256 ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
SHA512 9491f6c92e3e0a5e23e4ad79cfa0c7ee11982fb5bbc0fb1940ff273ae1a32f22560f9ab0eea3df03a7f70dd130a7c7e7d4a01b26e1f2b297bbe3f8f1d63fe336

C:\ProgramData\ca221.png

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

C:\ProgramData\ca221.png

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

C:\Users\Admin\AppData\Local\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

MD5 d22524d87aa7c70e91c3fcc8710b2a85
SHA1 98570ab9917639f71231ae2732000691f643b2bd
SHA256 ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7
SHA512 9491f6c92e3e0a5e23e4ad79cfa0c7ee11982fb5bbc0fb1940ff273ae1a32f22560f9ab0eea3df03a7f70dd130a7c7e7d4a01b26e1f2b297bbe3f8f1d63fe336

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B9M1KBX1\ceshijiqimao[1].bin

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

memory/2892-29-0x0000000000220000-0x000000000024A000-memory.dmp

memory/1740-35-0x0000000000550000-0x0000000000551000-memory.dmp

memory/1740-39-0x0000000000560000-0x0000000000561000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-29 23:22

Reported

2023-08-29 23:24

Platform

win10v2004-20230703-en

Max time kernel

143s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe

"C:\Users\Admin\AppData\Local\Temp\ff2e122119a6d1a83e00b3a549e98d1de5eaf9e120f314fe112ec81f838d0dd7.exe"

Network

Country Destination Domain Proto
US 38.181.24.204:80 38.181.24.204 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 38.181.24.204:80 38.181.24.204 tcp
US 8.8.8.8:53 204.24.181.38.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
HK 154.91.227.35:8848 tcp
US 8.8.8.8:53 35.227.91.154.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 254.211.247.8.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 224.162.46.104.in-addr.arpa udp

Files

memory/2860-4-0x0000000003BD0000-0x0000000003BEA000-memory.dmp

memory/2860-5-0x0000000073560000-0x0000000073D10000-memory.dmp

memory/2860-7-0x0000000006260000-0x0000000006270000-memory.dmp

memory/2860-6-0x0000000006260000-0x0000000006270000-memory.dmp

memory/2860-8-0x0000000006820000-0x0000000006DC4000-memory.dmp

memory/2860-9-0x0000000073560000-0x0000000073D10000-memory.dmp

memory/2860-10-0x0000000077861000-0x0000000077862000-memory.dmp

memory/2860-13-0x0000000006DD0000-0x0000000006E6C000-memory.dmp

memory/2860-14-0x0000000006780000-0x00000000067E6000-memory.dmp

memory/2860-15-0x0000000006260000-0x0000000006270000-memory.dmp