Malware Analysis Report

2024-10-23 21:29

Sample ID 240313-n5w97aeb94
Target c5d1f49f97f324bb412e19918ed3e8ab
SHA256 10ff4ae8ec79bb4a0af54c8f2b0d3190fc154dd5a91447a27d050bbba0dd5ebc
Tags
revengerat stealer trojan upx
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

10ff4ae8ec79bb4a0af54c8f2b0d3190fc154dd5a91447a27d050bbba0dd5ebc

Threat Level: Known bad

The file c5d1f49f97f324bb412e19918ed3e8ab was found to be: Known bad.

Malicious Activity Summary

revengerat stealer trojan upx

RevengeRAT

RevengeRat Executable

Loads dropped DLL

UPX packed file

Executes dropped EXE

Checks computer location settings

AutoIT Executable

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 11:59

Signatures

UPX packed file

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

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

2024-03-13 11:59

Reported

2024-03-13 12:01

Platform

win7-20240221-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.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

UPX packed file

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

AutoIT Executable

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

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.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\c5d1f49f97f324bb412e19918ed3e8ab.exe

"C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.exe"

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

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54470386 -chipderedesign -1017b7cc5a6b4e4d8cc04594241fc02d - -BLUB2 -oyymbqkyugxumkka -3068

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 ocs2.chdi-server.de udp
DE 116.203.169.153:8080 ocs2.chdi-server.de tcp

Files

memory/3068-0-0x00000000003B0000-0x0000000000644000-memory.dmp

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

MD5 49aa3d5c6d228a6cee319dba457b2975
SHA1 e44e6f3626cf698e642a56062dbe63eebb12b8d2
SHA256 bf6fd1d8d93ab10f673348129ebc247aab15b298d8f53495c36b3c906560a667
SHA512 47bb939c0f6bfd8a094bc5751f45e3a4bbb7532f965e1ad6f8801973b22c9d95fce3d430b48e2bb691da2ff29b16758af378c32641255b0144a5aeb482b8d833

memory/2592-16-0x00000000010C0000-0x000000000112A000-memory.dmp

memory/2592-17-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

memory/2592-18-0x000000001AB60000-0x000000001ABE0000-memory.dmp

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

MD5 97c23826c5d817744210c85beaf666ff
SHA1 60f59a236184ccc30963bd8cc08418b39c20dd52
SHA256 21e8644339b722980e00afb4f223a3f2567b2d02fdfa9f1604f4cfd61188c304
SHA512 5398e3622284830569bea0cb2fc668ad66652a5b6570cdd60ed29f13918bd4ee9cf6f0cb76e6a8b64cb844b0f62dff7da2e2a0dac1782074506a99a5e5d91b71

memory/2592-20-0x000000001AB60000-0x000000001ABE0000-memory.dmp

memory/2592-21-0x000000001AB60000-0x000000001ABE0000-memory.dmp

memory/2592-22-0x000000001AB60000-0x000000001ABE0000-memory.dmp

memory/2592-23-0x000000001AB60000-0x000000001ABE0000-memory.dmp

memory/3068-24-0x00000000003B0000-0x0000000000644000-memory.dmp

memory/2592-25-0x000007FEF5F80000-0x000007FEF696C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 11:59

Reported

2024-03-13 12:01

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.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

UPX packed file

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

AutoIT Executable

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

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.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\c5d1f49f97f324bb412e19918ed3e8ab.exe

"C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab.exe"

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

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54470386 -chipderedesign -1017b7cc5a6b4e4d8cc04594241fc02d - -BLUB2 -oyymbqkyugxumkka -1104

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 api.chip-secured-download.de udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
DE 116.203.169.158:80 api.chip-secured-download.de tcp
US 8.8.8.8:53 ocs2.chdi-server.de udp
DE 116.203.169.153:443 ocs2.chdi-server.de tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 158.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 153.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

memory/1104-0-0x0000000000030000-0x00000000002C4000-memory.dmp

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

MD5 49aa3d5c6d228a6cee319dba457b2975
SHA1 e44e6f3626cf698e642a56062dbe63eebb12b8d2
SHA256 bf6fd1d8d93ab10f673348129ebc247aab15b298d8f53495c36b3c906560a667
SHA512 47bb939c0f6bfd8a094bc5751f45e3a4bbb7532f965e1ad6f8801973b22c9d95fce3d430b48e2bb691da2ff29b16758af378c32641255b0144a5aeb482b8d833

memory/3508-13-0x0000000000FB0000-0x000000000101A000-memory.dmp

memory/3508-14-0x00007FF8AEA90000-0x00007FF8AF551000-memory.dmp

memory/3508-15-0x00000000031C0000-0x00000000031D0000-memory.dmp

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

MD5 97c23826c5d817744210c85beaf666ff
SHA1 60f59a236184ccc30963bd8cc08418b39c20dd52
SHA256 21e8644339b722980e00afb4f223a3f2567b2d02fdfa9f1604f4cfd61188c304
SHA512 5398e3622284830569bea0cb2fc668ad66652a5b6570cdd60ed29f13918bd4ee9cf6f0cb76e6a8b64cb844b0f62dff7da2e2a0dac1782074506a99a5e5d91b71

memory/3508-17-0x00000000031C0000-0x00000000031D0000-memory.dmp

memory/3508-18-0x00000000031C0000-0x00000000031D0000-memory.dmp

memory/1104-19-0x0000000000030000-0x00000000002C4000-memory.dmp

memory/3508-21-0x00007FF8AEA90000-0x00007FF8AF551000-memory.dmp