asyncrat | 3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 11:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
Size 45KB
Sample260821-nlntpstsb1
SHA256 3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d
MD5 584e530666b4b706b5d60b420e06827a
SHA1 3350606696eb18e4a39dda78683f32bb43656b8f
SHA512 7e6bfe12ed688289242909af1d2c6cff69e15ad42ee94b6a71de4e99093f31d449951c9d5662141ffed20b3fb66e4b7bf787ec66d1390505922f8eec9d95ddef
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qF1Nd3u40cMOPI04zjbHgXciBibk2+msKkoM9BDZEx:MuLAZTnbg2m8+M3043bAXZBibfJkjTdG
TLSH
T14C232A003BE8812BF2BE4F78A9F26145467AF6736603D64A1CC451D75B13FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

zorvec.name:80
zorvec.name:22
zorvec.name:8080
zorvec.name:8880
zorvec.name:2052
zorvec.name:2082
zorvec.name:2086
zorvec.name:2095
zorvec.name:443
zorvec.name:2053
zorvec.name:2083
zorvec.name:2087
zorvec.name:2096
zorvec.name:8443
www.zorvec.name:80
www.zorvec.name:22
www.zorvec.name:8080
www.zorvec.name:8880
www.zorvec.name:2052
www.zorvec.name:2082
www.zorvec.name:2086
www.zorvec.name:2095
www.zorvec.name:443
www.zorvec.name:2053
www.zorvec.name:2083
www.zorvec.name:2087
www.zorvec.name:2096
www.zorvec.name:8443
malware.zorvec.name:80
malware.zorvec.name:22
malware.zorvec.name:8080
malware.zorvec.name:8880
malware.zorvec.name:2052
malware.zorvec.name:2082
malware.zorvec.name:2086
malware.zorvec.name:2095
malware.zorvec.name:443
malware.zorvec.name:2053
malware.zorvec.name:2083
malware.zorvec.name:2087
malware.zorvec.name:2096
malware.zorvec.name:8443
iloveyou.zorvec.name:80
iloveyou.zorvec.name:22
iloveyou.zorvec.name:8080
iloveyou.zorvec.name:8880
iloveyou.zorvec.name:2052
iloveyou.zorvec.name:2082
iloveyou.zorvec.name:2086
iloveyou.zorvec.name:2095
iloveyou.zorvec.name:443
iloveyou.zorvec.name:2053
iloveyou.zorvec.name:2083
iloveyou.zorvec.name:2087
iloveyou.zorvec.name:2096
iloveyou.zorvec.name:8443
melissa.zorvec.name:80
melissa.zorvec.name:22
melissa.zorvec.name:8080
melissa.zorvec.name:8880
melissa.zorvec.name:2052
melissa.zorvec.name:2082
melissa.zorvec.name:2086
melissa.zorvec.name:2095
melissa.zorvec.name:443
melissa.zorvec.name:2053
melissa.zorvec.name:2083
melissa.zorvec.name:2087
melissa.zorvec.name:2096
melissa.zorvec.name:8443

Mutex

7ziF5s288kt2

Attributes

delay
0
install
true
install_file
0vk8r.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000e00000001c4bd-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4932	0vk8r.exe
5732	0vk8r.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
708	cmd.exe
4320	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0vk8r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0vk8r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5504	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
1084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
Token: SeDebugPrivilege	4932	0vk8r.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 708	4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe	89
PID 4456 wrote to memory of 4320	4456	3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe	90
PID 708 wrote to memory of 1084	708	cmd.exe	93
PID 4320 wrote to memory of 5504	4320	cmd.exe	94
PID 4320 wrote to memory of 5732	4320	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe
"C:\Users\Admin\AppData\Local\Temp\3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "0vk8r" /tr '"C:\Users\Admin\AppData\Roaming\0vk8r.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:708
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "0vk8r" /tr '"C:\Users\Admin\AppData\Roaming\0vk8r.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1084
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp549E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4320
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5504
- - C:\Users\Admin\AppData\Roaming\0vk8r.exe
    "C:\Users\Admin\AppData\Roaming\0vk8r.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5732

C:\Users\Admin\AppData\Roaming\0vk8r.exe
"C:\Users\Admin\AppData\Roaming\0vk8r.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4932

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmp549E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp549E.tmp.bat
Size 149B
SHA256 6bbbd984573fc9a606b8a55802d1adb9953256a8efc216effc71a5b2ddea5473
MD5 dadfbdc8e58c5816711022bf2ec50bfd
SHA1 590e3730410271e9ebd32c1f807b89ebcbf4d19f
SHA512 418e2e83b44ea85a9b78003d30990124100a83872c34abbd3d1de68eeccf47f950d36c94cdaf9e875908c537b160d9cab5794d405812d3ddb76789f12a8da01b
TLSH
T151C02B5261C5FA0F2805281306FBDDDEA1727C1E3F44BF10C304504E1380848F1EE381
MD5 SHA1 SHA512 TLSH

Submit Download

0vk8r.exe

Path C:\Users\Admin\AppData\Roaming\0vk8r.exe
Size 45KB
SHA256 3a6ad30f20d7e9c75142f86f814de22e2bf59f432f9886fcd14fa5ad4fcd031d
MD5 584e530666b4b706b5d60b420e06827a
SHA1 3350606696eb18e4a39dda78683f32bb43656b8f
SHA512 7e6bfe12ed688289242909af1d2c6cff69e15ad42ee94b6a71de4e99093f31d449951c9d5662141ffed20b3fb66e4b7bf787ec66d1390505922f8eec9d95ddef
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qF1Nd3u40cMOPI04zjbHgXciBibk2+msKkoM9BDZEx:MuLAZTnbg2m8+M3043bAXZBibfJkjTdG
TLSH
T14C232A003BE8812BF2BE4F78A9F26145467AF6736603D64A1CC451D75B13FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4456-0-0x0000000074662000-0x0000000074663000-memory.dmp

Download

memory/4456-1-0x00000000000A0000-0x00000000000B2000-memory.dmp

Download

memory/4456-2-0x0000000074650000-0x0000000074E0C000-memory.dmp

Download

memory/4456-3-0x0000000004AE0000-0x0000000004B7C000-memory.dmp

Download

memory/4456-8-0x0000000074650000-0x0000000074E0C000-memory.dmp

Download

memory/4932-12-0x00000000744E0000-0x0000000074C9C000-memory.dmp

Download

memory/4932-14-0x00000000744E0000-0x0000000074C9C000-memory.dmp

Download