revengerat | f21fa6493bade5a7806a28f33ba7d920fa43edd81628003ea95253983d590cb2

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 01:01

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General

Target

2e166d7183aca77bc9ebaa54d8048374aa780ece1ffc159ecf57ec75f96a8e4d.js
Size

116KB
MD5

0c3e47c0fb0d5a289fded25fd9746817
SHA1

2117b82b1724a2f146ffd015b50ce45c63d7fb87
SHA256

2e166d7183aca77bc9ebaa54d8048374aa780ece1ffc159ecf57ec75f96a8e4d
SHA512

bf8b2895fa9cf32c651d67ff68c3156dfd2f32e4fc9308ec5a190eaf942816feae1357086b150442c4359619356cf6cf3bd4e9bcf8d866b52c51b0c3978133ad
SSDEEP

1536:D12+GPp0PG/6Rn/T5d1XtQpm7GOzYCtFA:p2+GB0PG/sn/T5dt+IdG

Score

10^/10

revengerat nyancatrevenge execution trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

38.51.135.44:333

Mutex

9822cb7521c94057

Signatures

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

Blocklisted process makes network request 7 IoCs

flow	pid	Process
14	4308	powershell.exe
21	4308	powershell.exe
35	4308	powershell.exe
38	4308	powershell.exe
45	4308	powershell.exe
46	4308	powershell.exe
47	4308	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4308	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-1-5-21-3442511616-637977696-3186306149-1000\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4308	powershell.exe
4308	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 4308	2056	wscript.exe	82
PID 2056 wrote to memory of 4308	2056	wscript.exe	82

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\2e166d7183aca77bc9ebaa54d8048374aa780ece1ffc159ecf57ec75f96a8e4d.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -Command "$_b = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'cocacola').cocacola;[byte[]]$_0 = [System.Convert]::FromBase64String($_b);$_1 = [System.Threading.Thread]::GetDomain().Load($_0);$_1.EntryPoint.invoke($null,$null);"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4308

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_qn1vurjt.2ta.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4308-0-0x00007FF9430B3000-0x00007FF9430B5000-memory.dmp

Filesize
8KB

Download
memory/4308-1-0x00000171F38E0000-0x00000171F3902000-memory.dmp

Filesize
136KB

Download
memory/4308-11-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/4308-12-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download
memory/4308-13-0x00000171F4480000-0x00000171F44C4000-memory.dmp

Filesize
272KB

Download
memory/4308-14-0x00000171F3940000-0x00000171F394A000-memory.dmp

Filesize
40KB

Download
memory/4308-15-0x00000171F48F0000-0x00000171F4966000-memory.dmp

Filesize
472KB

Download
memory/4308-16-0x00007FF9430B3000-0x00007FF9430B5000-memory.dmp

Filesize
8KB

Download
memory/4308-17-0x00007FF9430B0000-0x00007FF943B71000-memory.dmp

Filesize
10.8MB

Download