Malware Analysis Report

2025-01-18 04:54

Sample ID 241021-lylh1a1dlk
Target 77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N
SHA256 77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810
Tags
stealer revengerat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810

Threat Level: Known bad

The file 77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N was found to be: Known bad.

Malicious Activity Summary

stealer revengerat

Revengerat family

RevengeRat Executable

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-10-21 09:56

Signatures

RevengeRat Executable

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

Revengerat family

revengerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-21 09:56

Reported

2024-10-21 09:58

Platform

win7-20240903-en

Max time kernel

82s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe

"C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2328 -s 604

Network

N/A

Files

memory/2328-0-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

memory/2328-1-0x0000000000F50000-0x0000000000FB2000-memory.dmp

memory/2328-2-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

memory/2328-3-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-21 09:56

Reported

2024-10-21 09:58

Platform

win10v2004-20241007-en

Max time kernel

101s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe

"C:\Users\Admin\AppData\Local\Temp\77c1923cb08ee06b94d8c95ca5d784d91a4184c4007bc652e76271329a90a810N.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4896-0-0x00007FFC9E503000-0x00007FFC9E505000-memory.dmp

memory/4896-1-0x0000021D460B0000-0x0000021D46112000-memory.dmp

memory/4896-2-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp

memory/4896-3-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp