asyncrat | 4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 23:52

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General

Target

4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
Size

78KB
MD5

4f83c8f20cd7bcc3e5a57bddeab7bc7c
SHA1

29429616422b8729ea226e9b2b9ac2cc6dcdffa5
SHA256

4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc
SHA512

f1267b99fe5e6571e7e1505e6a40b5d87adf87675bf2e7356855ef42251bcdc7a461e0c76a2d3d090373e4ae23721003b1c47619614749d1a0f25b441656b0f3
SSDEEP

1536:7UNwcxbUTCrmPMVrtPFBeFIjH1bE/1Qa2lVwQzcL7LVclN:7UicxbgwmPMVBPFHH1bEZ2lVwQSBY

Score

10^/10

asyncrat venomrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

vwjpgbiaawlduyxu

Attributes

c2_url_file
https://paste.ee/r/3r0S88ur/0
delay
1
install
true
install_file
System.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

VenomRAT 2 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/memory/3488-1-0x0000000000450000-0x0000000000468000-memory.dmp	VenomRAT
behavioral2/files/0x0007000000023ca2-12.dat	VenomRAT

Venomrat family
venomrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x0007000000023ca2-12.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe

Executes dropped EXE 1 IoCs

pid	Process
4892	System.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
4848	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
1908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe
4892	System.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
Token: SeDebugPrivilege	4892	System.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4892	System.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4916	3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe	82
PID 3488 wrote to memory of 4916	3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe	82
PID 3488 wrote to memory of 3656	3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe	83
PID 3488 wrote to memory of 3656	3488	4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe	83
PID 3656 wrote to memory of 4848	3656	cmd.exe	86
PID 3656 wrote to memory of 4848	3656	cmd.exe	86
PID 4916 wrote to memory of 1908	4916	cmd.exe	87
PID 4916 wrote to memory of 1908	4916	cmd.exe	87
PID 3656 wrote to memory of 4892	3656	cmd.exe	88
PID 3656 wrote to memory of 4892	3656	cmd.exe	88

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\4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe
"C:\Users\Admin\AppData\Local\Temp\4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "System" /tr '"C:\Users\Admin\AppData\Roaming\System.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "System" /tr '"C:\Users\Admin\AppData\Roaming\System.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1908
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA5D5.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4848
- - C:\Users\Admin\AppData\Roaming\System.exe
    "C:\Users\Admin\AppData\Roaming\System.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4892

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\tmpA5D5.tmp.bat

Filesize
150B

MD5
1fd7ba8bc50cba603155aa96d15d315e

SHA1
805c4c3ef46c21d7be7ef30409dff6ac3067380f

SHA256
afa64efe2873bd928478af290cce5461a50b84b742cc6a6a7e1c61a3bb50f787

SHA512
ca699177516afb846b8bd10db901c68e2a18a7965bd6c7df44c96568ff47afc09e1da02d293e00d27930f50b79f7871b45711abc04ff89da34e675026576585b

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

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

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

Filesize
78KB

MD5
4f83c8f20cd7bcc3e5a57bddeab7bc7c

SHA1
29429616422b8729ea226e9b2b9ac2cc6dcdffa5

SHA256
4d07e703b5533ddcb62cae0dc623797b16a6a9dbc45e994f5f5a3f18191299cc

SHA512
f1267b99fe5e6571e7e1505e6a40b5d87adf87675bf2e7356855ef42251bcdc7a461e0c76a2d3d090373e4ae23721003b1c47619614749d1a0f25b441656b0f3

Download Submit
memory/3488-0-0x00007FFCE9D23000-0x00007FFCE9D25000-memory.dmp

Filesize
8KB

Download
memory/3488-1-0x0000000000450000-0x0000000000468000-memory.dmp

Filesize
96KB

Download
memory/3488-3-0x00007FFCE9D20000-0x00007FFCEA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3488-8-0x00007FFCE9D20000-0x00007FFCEA7E1000-memory.dmp

Filesize
10.8MB

Download
memory/3488-9-0x00007FFCE9D20000-0x00007FFCEA7E1000-memory.dmp

Filesize
10.8MB

Download