Malware Analysis Report

2024-10-19 08:32

Sample ID 240819-asac1axanl
Target adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f
SHA256 adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f
Tags
revengerat marzo26 discovery 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

adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f

Threat Level: Known bad

The file adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 00:27

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

2024-08-19 00:27

Reported

2024-08-19 00:30

Platform

win7-20240708-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe"

Signatures

RevengeRAT

trojan revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 784 set thread context of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 784 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe

"C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/784-0-0x00000000003B0000-0x00000000004A3000-memory.dmp

memory/784-1-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/1788-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1788-10-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1788-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1788-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1788-4-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1788-11-0x0000000073A82000-0x0000000073A84000-memory.dmp

memory/784-12-0x00000000003B0000-0x00000000004A3000-memory.dmp

memory/1788-13-0x0000000073A82000-0x0000000073A84000-memory.dmp

memory/784-17-0x00000000003B0000-0x00000000004A3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 00:27

Reported

2024-08-19 00:30

Platform

win10v2004-20240802-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe"

Signatures

RevengeRAT

trojan revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1528 set thread context of 1720 N/A C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe

"C:\Users\Admin\AppData\Local\Temp\adb4af7dba4088dc221fc6671d84bf33229248872de5f7f6b333d991b3fff38f.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

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 --field-trial-handle=4124,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8

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 marzorevenger.duckdns.org udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 6.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 10.160.77.104.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
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 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1528-0-0x0000000000500000-0x00000000005F3000-memory.dmp

memory/1528-1-0x00000000011E0000-0x00000000011E1000-memory.dmp

memory/1720-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1720-6-0x0000000073A72000-0x0000000073A73000-memory.dmp

memory/1720-7-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/1720-8-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/1528-9-0x0000000000500000-0x00000000005F3000-memory.dmp

memory/1720-10-0x0000000073A72000-0x0000000073A73000-memory.dmp

memory/1720-11-0x0000000073A70000-0x0000000074021000-memory.dmp

memory/1528-15-0x0000000000500000-0x00000000005F3000-memory.dmp