Malware Analysis Report

2024-10-19 08:42

Sample ID 240319-2tgx1sad8y
Target 97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4
SHA256 97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4
Tags
upx revengerat 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

97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4

Threat Level: Known bad

The file 97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4 was found to be: Known bad.

Malicious Activity Summary

upx revengerat stealer trojan

Detects executables packed with Dotfuscator

UPX dump on OEP (original entry point)

RevengeRAT

Detects executables packed with Dotfuscator

UPX dump on OEP (original entry point)

RevengeRat Executable

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

UPX packed file

AutoIT Executable

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-19 22:52

Signatures

Detects executables packed with Dotfuscator

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

UPX dump on OEP (original entry point)

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

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

2024-03-19 22:52

Reported

2024-03-19 22:54

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe"

Signatures

RevengeRAT

trojan revengerat

Detects executables packed with Dotfuscator

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

RevengeRat Executable

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

UPX dump on OEP (original entry point)

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\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: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.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\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe

"C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -62401916 -chipderedesign -806780354e6342258bdbc3cf44e2da8b - -BLUB2 -ekxjhkiwztqlznxr -2852

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 116.203.169.153:443 ocs2.chdi-server.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

memory/2852-0-0x0000000001380000-0x000000000167C000-memory.dmp

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

MD5 a30cd772e6718c5cb94cd4078815eefd
SHA1 fc13cfd5784a7b7eb2e21b35536aebc42ac858a7
SHA256 3885e2ffc57fe5b29bd177ab3e14f56079964e69433f00a4de9300454fddf177
SHA512 ad63cc302ad505cbf578df5f58838eee8524a5ca239916ab81598ace42e2433435d306761b9911692e70ce72a1bef43dd750930a6349a190b0deb7c92340979e

memory/1316-16-0x0000000000B80000-0x0000000000C04000-memory.dmp

memory/1316-17-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

memory/1316-18-0x000000001A920000-0x000000001A9A0000-memory.dmp

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

MD5 d6fc3d2242747930299d86adc4328397
SHA1 59b85a8a2097d40a41ee7b33fe95ebd9afc78d03
SHA256 7be5adb8a310d794dfc57b73efa0529ca2a6bb723315c9f2da320e789599ccc3
SHA512 a48edc9fb6f8e9d8d07a85c26208302ce7bcf32e53471574fdf5886cac61b4e40c106b9dee930eac8515a6c7ae8e1d96b71b8e9d6fe5f641dc2c8b736f9f57f5

memory/1316-20-0x000000001A920000-0x000000001A9A0000-memory.dmp

memory/1316-21-0x000000001A920000-0x000000001A9A0000-memory.dmp

memory/1316-22-0x000000001A920000-0x000000001A9A0000-memory.dmp

memory/1316-23-0x000000001A920000-0x000000001A9A0000-memory.dmp

memory/2852-24-0x0000000001380000-0x000000000167C000-memory.dmp

memory/1316-25-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-19 22:52

Reported

2024-03-19 22:54

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe"

Signatures

RevengeRAT

trojan revengerat

Detects executables packed with Dotfuscator

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

RevengeRat Executable

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

UPX dump on OEP (original entry point)

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.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
N/A N/A N/A N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
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\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.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\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe

"C:\Users\Admin\AppData\Local\Temp\97ebba20193617551f93bd14d03b37c616a385b3e2a8f3ec5f3c5348a98f75d4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -62401916 -chipderedesign -806780354e6342258bdbc3cf44e2da8b - -BLUB2 -itlegduciqxfwamo -5040

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.178.10:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
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
US 8.8.8.8:53 158.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa 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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 211.143.182.52.in-addr.arpa udp

Files

memory/5040-0-0x00000000001D0000-0x00000000004CC000-memory.dmp

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

MD5 a30cd772e6718c5cb94cd4078815eefd
SHA1 fc13cfd5784a7b7eb2e21b35536aebc42ac858a7
SHA256 3885e2ffc57fe5b29bd177ab3e14f56079964e69433f00a4de9300454fddf177
SHA512 ad63cc302ad505cbf578df5f58838eee8524a5ca239916ab81598ace42e2433435d306761b9911692e70ce72a1bef43dd750930a6349a190b0deb7c92340979e

memory/5040-13-0x00000000001D0000-0x00000000004CC000-memory.dmp

memory/908-14-0x0000000000AB0000-0x0000000000B34000-memory.dmp

memory/908-15-0x00007FFFA3C80000-0x00007FFFA4741000-memory.dmp

memory/908-16-0x000000001B930000-0x000000001B940000-memory.dmp

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

MD5 d6fc3d2242747930299d86adc4328397
SHA1 59b85a8a2097d40a41ee7b33fe95ebd9afc78d03
SHA256 7be5adb8a310d794dfc57b73efa0529ca2a6bb723315c9f2da320e789599ccc3
SHA512 a48edc9fb6f8e9d8d07a85c26208302ce7bcf32e53471574fdf5886cac61b4e40c106b9dee930eac8515a6c7ae8e1d96b71b8e9d6fe5f641dc2c8b736f9f57f5

memory/908-18-0x000000001B930000-0x000000001B940000-memory.dmp

memory/908-19-0x000000001B930000-0x000000001B940000-memory.dmp

memory/908-20-0x000000001B930000-0x000000001B940000-memory.dmp

memory/5040-21-0x00000000001D0000-0x00000000004CC000-memory.dmp

memory/908-23-0x000000001BA80000-0x000000001BB1A000-memory.dmp

memory/908-24-0x000000001E5A0000-0x000000001E5B6000-memory.dmp

memory/908-25-0x00007FFFA3C80000-0x00007FFFA4741000-memory.dmp