Malware Analysis Report

2025-01-18 04:54

Sample ID 241012-fch8vsyclk
Target f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d
SHA256 f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d
Tags
revengerat discovery stealer trojan
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

f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d

Threat Level: Known bad

The file f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan

RevengeRAT

RevengeRat Executable

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-12 04:43

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-12 04:43

Reported

2024-10-12 04:46

Platform

win7-20240903-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe

"C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54463312 -chipderedesign -d1bc0f921fb049d084bd2a2d646fc458 - -BLUB2 -wesotrojoaxhywrs -1928

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.chip-secured-download.de udp
DE 116.203.169.158:80 api.chip-secured-download.de tcp
US 8.8.8.8:53 ocs1.chdi-server.de udp
DE 116.203.169.152:80 ocs1.chdi-server.de tcp

Files

\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

MD5 de035f243e20e91864efdb82bf72a82b
SHA1 f6d43c5cd3b5031df1ea87c857dcd392af164054
SHA256 458e218e53e172ba75cca0b33702bfce16301559b1696ae013ce032d5edf1c71
SHA512 f22c65b0904ec368de33459d765c1b430af8a34ffc627e2bd9af5f1efe7488ddaca2262d60507753cdbf244d1f071c25bcc29fcde148acedf2e8d20fe686db63

memory/2316-15-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

memory/2316-16-0x0000000000340000-0x00000000003CC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DMR\wesotrojoaxhywrs.dat

MD5 ceceeb6d621221bd20e6335857b646d6
SHA1 538c103aac674d78f679e4fb34dbed561e761e18
SHA256 4467ce19fdcf47f876e619f7e64fbf33288569c86d04a50cdabe7b35b4d69ead
SHA512 e18278e5a5ac6ba537c14d7b48e5aa6e546b954655a729995045982961b517d4a56ada4823fa6bb3f3357f3219e922e9e0b091d2aafc46e5ef7a8d78f9e6d87c

memory/2316-18-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

memory/2316-19-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

memory/2316-22-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

memory/2316-21-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

memory/2316-20-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

memory/2316-23-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

memory/2316-24-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-12 04:43

Reported

2024-10-12 04:46

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

stealer
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe

"C:\Users\Admin\AppData\Local\Temp\f9121f70b97cd705390f582a8b43b99ac7d5626316b23f92dfb7a28ffb21c59d.exe"

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54463312 -chipderedesign -d1bc0f921fb049d084bd2a2d646fc458 - -BLUB2 -pzaygdxwdismzrgk -1872

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.chip-secured-download.de udp
DE 116.203.169.158:80 api.chip-secured-download.de tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 158.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 ocs1.chdi-server.de udp
DE 116.203.169.152:8080 ocs1.chdi-server.de tcp
US 8.8.8.8:53 152.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

MD5 de035f243e20e91864efdb82bf72a82b
SHA1 f6d43c5cd3b5031df1ea87c857dcd392af164054
SHA256 458e218e53e172ba75cca0b33702bfce16301559b1696ae013ce032d5edf1c71
SHA512 f22c65b0904ec368de33459d765c1b430af8a34ffc627e2bd9af5f1efe7488ddaca2262d60507753cdbf244d1f071c25bcc29fcde148acedf2e8d20fe686db63

memory/1420-12-0x00007FF9154E3000-0x00007FF9154E5000-memory.dmp

memory/1420-13-0x00000000009A0000-0x0000000000A2C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DMR\pzaygdxwdismzrgk.dat

MD5 ceceeb6d621221bd20e6335857b646d6
SHA1 538c103aac674d78f679e4fb34dbed561e761e18
SHA256 4467ce19fdcf47f876e619f7e64fbf33288569c86d04a50cdabe7b35b4d69ead
SHA512 e18278e5a5ac6ba537c14d7b48e5aa6e546b954655a729995045982961b517d4a56ada4823fa6bb3f3357f3219e922e9e0b091d2aafc46e5ef7a8d78f9e6d87c

memory/1420-15-0x00007FF9154E0000-0x00007FF915FA1000-memory.dmp

memory/1420-16-0x00007FF9154E0000-0x00007FF915FA1000-memory.dmp

memory/1420-17-0x00007FF9154E0000-0x00007FF915FA1000-memory.dmp

memory/1420-18-0x00007FF9154E0000-0x00007FF915FA1000-memory.dmp

memory/1420-20-0x00007FF9154E0000-0x00007FF915FA1000-memory.dmp