asyncrat | 6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 19:45

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General

Target

6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
Size

63KB
MD5

9dd10f9335e7979d2a90b3ab9106d261
SHA1

2633da3549195050d665d0fd3eefd96dcb15470d
SHA256

6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd
SHA512

acc081e163e92f5c06d7185053b85e288639462486c85c718fd619cdce8fd84943735f597165b20045160c078144de88ef6178012f17bf2ebc7c47d5aada6ba8
SSDEEP

1536:OBVb3plA0aTdeKX7QNaoxvGbbnwKbn2BGtkpqKmY7:OBVb3plA0aTRX7QDtGbbnfj22vz

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

127.0.0.1:4449

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes

delay
1
install
true
install_file
scs2.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
behavioral2/files/0x000d000000024066-11.dat	family_asyncrat

Checks computer location settings 2 TTPs 1 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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe

Executes dropped EXE 1 IoCs

pid	Process
4640	scs2.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3148	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
4688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe
4640	scs2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
Token: SeDebugPrivilege	4640	scs2.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 1860	4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe	90
PID 4452 wrote to memory of 1860	4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe	90
PID 4452 wrote to memory of 4108	4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe	92
PID 4452 wrote to memory of 4108	4452	6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe	92
PID 1860 wrote to memory of 4688	1860	cmd.exe	94
PID 1860 wrote to memory of 4688	1860	cmd.exe	94
PID 4108 wrote to memory of 3148	4108	cmd.exe	95
PID 4108 wrote to memory of 3148	4108	cmd.exe	95
PID 4108 wrote to memory of 4640	4108	cmd.exe	96
PID 4108 wrote to memory of 4640	4108	cmd.exe	96

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:\Users\Admin\AppData\Local\Temp\6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe
"C:\Users\Admin\AppData\Local\Temp\6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "scs2" /tr '"C:\Users\Admin\AppData\Roaming\scs2.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "scs2" /tr '"C:\Users\Admin\AppData\Roaming\scs2.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4688
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6F54.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3148
- - C:\Users\Admin\AppData\Roaming\scs2.exe
    "C:\Users\Admin\AppData\Roaming\scs2.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6F54.tmp.bat

Filesize
148B

MD5
ff6d46090dd8c95030b5007d06e8c789

SHA1
0248f31e1b1f6588be6b99550913c929ba12f812

SHA256
a0f2fc3a3e74af678492bb0664d98e1ceb5e4951d70a426907ce7e6ce0f3260b

SHA512
b9898b235564ad0cd675292c812a4f81301cdf2adede2bda2344f98f4ae8fe7e544c0fca949e4bf0eceebfe78aab9840f2378ebce93174982935ce7cdf8ae671

Download Submit
C:\Users\Admin\AppData\Roaming\scs2.exe

Filesize
63KB

MD5
9dd10f9335e7979d2a90b3ab9106d261

SHA1
2633da3549195050d665d0fd3eefd96dcb15470d

SHA256
6bf8ec1cf3a7bb15d7f0cc5408dc9ba25226ca0456edde5c5ff3e0e785e1a7cd

SHA512
acc081e163e92f5c06d7185053b85e288639462486c85c718fd619cdce8fd84943735f597165b20045160c078144de88ef6178012f17bf2ebc7c47d5aada6ba8

Download Submit
memory/4452-0-0x00007FFC748F3000-0x00007FFC748F5000-memory.dmp

Filesize
8KB

Download
memory/4452-1-0x0000000000AA0000-0x0000000000AB6000-memory.dmp

Filesize
88KB

Download
memory/4452-2-0x00007FFC748F0000-0x00007FFC753B1000-memory.dmp

Filesize
10.8MB

Download
memory/4452-7-0x00007FFC748F0000-0x00007FFC753B1000-memory.dmp

Filesize
10.8MB

Download
memory/4452-8-0x00007FFC748F0000-0x00007FFC753B1000-memory.dmp

Filesize
10.8MB

Download