Malware Analysis Report

2025-03-15 03:55

Sample ID 230827-rlv5kaab77
Target e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
SHA256 e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
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

e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2

Threat Level: Known bad

The file e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2 was found to be: Known bad.

Malicious Activity Summary

fatalrat infostealer persistence rat

FatalRat

Fatal Rat payload

Executes dropped EXE

Loads dropped DLL

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

2023-08-27 14:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-27 14:17

Reported

2023-08-27 14:20

Platform

win7-20230712-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.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\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe" C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2512 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe
PID 2512 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe
PID 2512 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe
PID 2512 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe
PID 1476 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe C:\Windows\SysWOW64\notepad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

"C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe"

C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

"C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.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/2512-4-0x0000000010000000-0x0000000010031000-memory.dmp

memory/2512-5-0x00000000003B0000-0x00000000003E2000-memory.dmp

memory/2512-9-0x0000000000CA0000-0x0000000000CCA000-memory.dmp

\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

MD5 67c9e0be21e76cda00064f80ee0013cf
SHA1 11deeb006e6011a9cd85930e6a7995e1aa872ce8
SHA256 e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
SHA512 ac63d4af26aceb003450670de47ad48c591919357a92554df08ae89d5b6e67a01dc937ccd2b97dd80c4825714255a557ea791b08e9ea7f35d8539535d42c903c

C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

MD5 67c9e0be21e76cda00064f80ee0013cf
SHA1 11deeb006e6011a9cd85930e6a7995e1aa872ce8
SHA256 e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
SHA512 ac63d4af26aceb003450670de47ad48c591919357a92554df08ae89d5b6e67a01dc937ccd2b97dd80c4825714255a557ea791b08e9ea7f35d8539535d42c903c

C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

MD5 67c9e0be21e76cda00064f80ee0013cf
SHA1 11deeb006e6011a9cd85930e6a7995e1aa872ce8
SHA256 e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
SHA512 ac63d4af26aceb003450670de47ad48c591919357a92554df08ae89d5b6e67a01dc937ccd2b97dd80c4825714255a557ea791b08e9ea7f35d8539535d42c903c

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WEWWZC8O\ceshijiqimao[1].bin

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

C:\Users\Admin\AppData\Local\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

MD5 67c9e0be21e76cda00064f80ee0013cf
SHA1 11deeb006e6011a9cd85930e6a7995e1aa872ce8
SHA256 e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2
SHA512 ac63d4af26aceb003450670de47ad48c591919357a92554df08ae89d5b6e67a01dc937ccd2b97dd80c4825714255a557ea791b08e9ea7f35d8539535d42c903c

C:\ProgramData\ca221.png

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

C:\ProgramData\ca221.png

MD5 6fd1cdf4c712ee59bf684ae7e18c5142
SHA1 b04b90abfb4f5c87000244b66842d1dfcfc5b63d
SHA256 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc
SHA512 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5

memory/1476-29-0x0000000000580000-0x00000000005AA000-memory.dmp

memory/2724-35-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2724-37-0x0000000000130000-0x0000000000131000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-27 14:17

Reported

2023-08-27 14:19

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe

"C:\Users\Admin\AppData\Local\Temp\e60d27d46f70d118d131ea9216fe27d45e549d91b4de126eee00ef83c852f4a2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 38.181.24.204:80 38.181.24.204 tcp
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 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/660-4-0x00000000037D0000-0x00000000037EA000-memory.dmp

memory/660-5-0x0000000073A10000-0x00000000741C0000-memory.dmp

memory/660-6-0x0000000005D10000-0x0000000005D20000-memory.dmp

memory/660-7-0x00000000062D0000-0x0000000006874000-memory.dmp

memory/660-8-0x0000000073A10000-0x00000000741C0000-memory.dmp

memory/660-9-0x0000000005D10000-0x0000000005D20000-memory.dmp

memory/660-10-0x0000000005D10000-0x0000000005D20000-memory.dmp

memory/660-11-0x0000000077D11000-0x0000000077D12000-memory.dmp

memory/660-14-0x00000000069C0000-0x0000000006A5C000-memory.dmp

memory/660-15-0x0000000006A60000-0x0000000006AC6000-memory.dmp

memory/660-16-0x0000000005D10000-0x0000000005D20000-memory.dmp