asyncrat | 6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51

General

Target

6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
Size

74KB
MD5

2f15f872e62c7c8a3ccfc8a47f7b8377
SHA1

4046213aae7ff2296398e39e7f46a43f02e87804
SHA256

6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51
SHA512

43427e6b1ffddfad49055afaf8cba1f1577f1e7e2983d0f312adf6f4cd06a4ba0d789da0fdd8c957532eda929534af84805cb483e651e3646d4359d173308c7c
SSDEEP

1536:ZUNwcxbUTCrmPMVIEh3kLuaIsH1bTc6yOQzc2LVclNF:ZUicxbgwmPMVffAH1bTVQPBYv

Score

10^/10

asyncrat venomrat default rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

wgzvrzpksxgiaglrvq

Attributes

c2_url_file
https://paste.ee/r/Wp7LQ/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 3 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral1/memory/2336-1-0x00000000010B0000-0x00000000010C8000-memory.dmp	VenomRAT
behavioral1/files/0x0007000000018731-16.dat	VenomRAT
behavioral1/memory/3068-18-0x0000000000F00000-0x0000000000F18000-memory.dmp	VenomRAT

Venomrat family
venomrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0007000000018731-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
3068	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

evasion

pid	Process
2788	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
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
3068	System.exe
3068	System.exe
3068	System.exe
3068	System.exe
3068	System.exe
3068	System.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
Token: SeDebugPrivilege	3068	System.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3068	System.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2388	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	30
PID 2336 wrote to memory of 2388	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	30
PID 2336 wrote to memory of 2388	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	30
PID 2336 wrote to memory of 2088	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	31
PID 2336 wrote to memory of 2088	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	31
PID 2336 wrote to memory of 2088	2336	6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe	31
PID 2388 wrote to memory of 2688	2388	cmd.exe	35
PID 2388 wrote to memory of 2688	2388	cmd.exe	35
PID 2388 wrote to memory of 2688	2388	cmd.exe	35
PID 2088 wrote to memory of 2788	2088	cmd.exe	34
PID 2088 wrote to memory of 2788	2088	cmd.exe	34
PID 2088 wrote to memory of 2788	2088	cmd.exe	34
PID 2088 wrote to memory of 3068	2088	cmd.exe	36
PID 2088 wrote to memory of 3068	2088	cmd.exe	36
PID 2088 wrote to memory of 3068	2088	cmd.exe	36

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\6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe
"C:\Users\Admin\AppData\Local\Temp\6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336
- 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:2388
- - 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:2688
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB3C5.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2788
- - 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:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB3C5.tmp.bat

Filesize
150B

MD5
808248bfbe1c308513161a39e9d29a65

SHA1
97fe5b770af167ba3a582348a4b66d8f48ff221b

SHA256
97604f3fce4f5d5374636cabbeb2c8a8b81ac6e35d5be7be178ea3cfd06d7128

SHA512
0bea4d06c961141a6649424c755d7dea41c9f42894df92a26da56edb3cf314068934888ea2cd2bfa5a9489ee8b3f894c5dfc4d4244de19e2b6a6e41522293f77

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
74KB

MD5
2f15f872e62c7c8a3ccfc8a47f7b8377

SHA1
4046213aae7ff2296398e39e7f46a43f02e87804

SHA256
6587c3a43b139bf97a5fc8dc168074149525dcebcedd962f3d3befb76cfa1b51

SHA512
43427e6b1ffddfad49055afaf8cba1f1577f1e7e2983d0f312adf6f4cd06a4ba0d789da0fdd8c957532eda929534af84805cb483e651e3646d4359d173308c7c

Download Submit
memory/2336-0-0x000007FEF59F3000-0x000007FEF59F4000-memory.dmp

Filesize
4KB

Download
memory/2336-1-0x00000000010B0000-0x00000000010C8000-memory.dmp

Filesize
96KB

Download
memory/2336-3-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Filesize
9.9MB

Download
memory/2336-12-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Filesize
9.9MB

Download
memory/2336-14-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Filesize
9.9MB

Download
memory/3068-18-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads