Malware Analysis Report

2024-10-19 08:32

Sample ID 240817-zfmv1aycjq
Target 4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe
SHA256 962ebd0d3c54e5a317666e322f099316f26e82018927cd1d3144a9744e79bbaf
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

962ebd0d3c54e5a317666e322f099316f26e82018927cd1d3144a9744e79bbaf

Threat Level: Known bad

The file 4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 20:39

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

2024-08-17 20:39

Reported

2024-08-17 20:41

Platform

win7-20240704-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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 1512 set thread context of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1512 wrote to memory of 2028 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe

"C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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

Files

memory/1512-0-0x0000000000B90000-0x0000000000C83000-memory.dmp

memory/1512-1-0x0000000000210000-0x0000000000211000-memory.dmp

memory/2028-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2028-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2028-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2028-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2028-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2028-10-0x0000000074862000-0x0000000074864000-memory.dmp

memory/1512-11-0x0000000000B90000-0x0000000000C83000-memory.dmp

memory/2028-12-0x0000000074862000-0x0000000074864000-memory.dmp

memory/1512-16-0x0000000000B90000-0x0000000000C83000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 20:39

Reported

2024-08-17 20:41

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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 1368 set thread context of 3148 N/A C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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\4bdf077f4ecc376c5bce3aaf6f5e0c60N.exe

"C:\Users\Admin\AppData\Local\Temp\4bdf077f4ecc376c5bce3aaf6f5e0c60N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 13.227.111.52.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1368-0-0x0000000000790000-0x0000000000883000-memory.dmp

memory/1368-1-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/3148-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3148-6-0x0000000073482000-0x0000000073483000-memory.dmp

memory/3148-7-0x0000000073480000-0x0000000073A31000-memory.dmp

memory/3148-8-0x0000000073480000-0x0000000073A31000-memory.dmp

memory/1368-9-0x0000000000790000-0x0000000000883000-memory.dmp

memory/3148-10-0x0000000073482000-0x0000000073483000-memory.dmp

memory/3148-11-0x0000000073480000-0x0000000073A31000-memory.dmp

memory/1368-15-0x0000000000790000-0x0000000000883000-memory.dmp