asyncrat | 83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 03:11

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General

Target
83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
Size 45KB
Sample260712-dpslysct6l
SHA256 83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098
MD5 0165806c2d116c6eba3c8ad49f41f288
SHA1 9ff260172dfc4bf31cb1dd4d35cbf5293dfd51fc
SHA512 9648ef7b1d935c674fbd6baa3622683ea0edb5f2ca024777263d6c968fd20227778c4c5706199ecf2f488a24bffdc54c215752496b7cc8801867b4f0f17dcb46
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVCT2Qpm7PIKDjbygX3i38iTRfHA/tXXbXHxBDZkx:suJdpTPdI2+eKnb1XS38EpuTdkx
TLSH
T1FA231A003BE8813BF2BE4FB89CF26145867AF6632503D54D6CC451975623FC69A426FE
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

sexviet11.com:80
sexviet11.com:22
sexviet11.com:8080
sexviet11.com:8880
sexviet11.com:2052
sexviet11.com:2082
sexviet11.com:2086
sexviet11.com:2095
sexviet11.com:443
sexviet11.com:2053
sexviet11.com:2083
sexviet11.com:2087
sexviet11.com:2096
sexviet11.com:8443
www.sexviet11.com:80
www.sexviet11.com:22
www.sexviet11.com:8080
www.sexviet11.com:8880
www.sexviet11.com:2052
www.sexviet11.com:2082
www.sexviet11.com:2086
www.sexviet11.com:2095
www.sexviet11.com:443
www.sexviet11.com:2053
www.sexviet11.com:2083
www.sexviet11.com:2087
www.sexviet11.com:2096
www.sexviet11.com:8443
triton.sexviet11.com:80
triton.sexviet11.com:22
triton.sexviet11.com:8080
triton.sexviet11.com:8880
triton.sexviet11.com:2052
triton.sexviet11.com:2082
triton.sexviet11.com:2086
triton.sexviet11.com:2095
triton.sexviet11.com:443
triton.sexviet11.com:2053
triton.sexviet11.com:2083
triton.sexviet11.com:2087
triton.sexviet11.com:2096
triton.sexviet11.com:8443
conti.sexviet11.com:80
conti.sexviet11.com:22
conti.sexviet11.com:8080
conti.sexviet11.com:8880
conti.sexviet11.com:2052
conti.sexviet11.com:2082
conti.sexviet11.com:2086
conti.sexviet11.com:2095
conti.sexviet11.com:443
conti.sexviet11.com:2053
conti.sexviet11.com:2083
conti.sexviet11.com:2087
conti.sexviet11.com:2096
conti.sexviet11.com:8443
invasive.sexviet11.com:80
invasive.sexviet11.com:22
invasive.sexviet11.com:8080
invasive.sexviet11.com:8880
invasive.sexviet11.com:2052
invasive.sexviet11.com:2082
invasive.sexviet11.com:2086
invasive.sexviet11.com:2095
invasive.sexviet11.com:443
invasive.sexviet11.com:2053
invasive.sexviet11.com:2083
invasive.sexviet11.com:2087
invasive.sexviet11.com:2096
invasive.sexviet11.com:8443

Mutex

nhTXrU0yLTnQ

Attributes

delay
0
install
true
install_file
i7vsm6k7.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/0x000d00000001c53d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4484	i7vsm6k7.exe
2344	i7vsm6k7.exe

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

System Information Discovery
T1082

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i7vsm6k7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i7vsm6k7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2588	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
1968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
Token: SeDebugPrivilege	4484	i7vsm6k7.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 1116	488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe	88
PID 488 wrote to memory of 2276	488	83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe	90
PID 1116 wrote to memory of 1968	1116	cmd.exe	92
PID 2276 wrote to memory of 2588	2276	cmd.exe	94
PID 2276 wrote to memory of 2344	2276	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe
"C:\Users\Admin\AppData\Local\Temp\83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "i7vsm6k7" /tr '"C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "i7vsm6k7" /tr '"C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1968
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5EFE.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2588
- - C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe
    "C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2344

C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe
"C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4484

Network

MITRE ATT&CK Enterprise v16

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp5EFE.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5EFE.tmp.bat
Size 152B
SHA256 c75547403e6dd18ab5006b41225ce70c984b3c093a9cfd98d010bc8ccf9a1015
MD5 c38adfb4c40db3489edb21b998534f4e
SHA1 ab6aa049b8ffe0bc096d582b83546ec84a366121
SHA512 1d52dab8419c589962c6f2fc31b815ae16a08ec8107100a705478446f2c1d8a1737ad54d9afa4191a31e6c2f32c801952f5f587f952cb0becce976c57dded1cc
TLSH
T130C08C4651C5AA4F2845A42302BADA8CA262AD5A3E84AB50870A500A6280849E099382
MD5 SHA1 SHA512 TLSH

Submit Download

i7vsm6k7.exe

Path C:\Users\Admin\AppData\Roaming\i7vsm6k7.exe
Size 45KB
SHA256 83601a435d92709524846d9b512ec534cadc32c1e3e80c22526fc96799a77098
MD5 0165806c2d116c6eba3c8ad49f41f288
SHA1 9ff260172dfc4bf31cb1dd4d35cbf5293dfd51fc
SHA512 9648ef7b1d935c674fbd6baa3622683ea0edb5f2ca024777263d6c968fd20227778c4c5706199ecf2f488a24bffdc54c215752496b7cc8801867b4f0f17dcb46
SSDEEP 768:suJdpTP3tcsWUODmqmo2qVCT2Qpm7PIKDjbygX3i38iTRfHA/tXXbXHxBDZkx:suJdpTPdI2+eKnb1XS38EpuTdkx
TLSH
T1FA231A003BE8813BF2BE4FB89CF26145867AF6632503D54D6CC451975623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/488-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

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memory/488-1-0x00000000001A0000-0x00000000001B2000-memory.dmp

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memory/488-2-0x0000000074AA0000-0x000000007525C000-memory.dmp

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memory/488-3-0x0000000004B60000-0x0000000004BFC000-memory.dmp

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memory/488-8-0x0000000074AA0000-0x000000007525C000-memory.dmp

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memory/4484-12-0x00000000748B0000-0x000000007506C000-memory.dmp

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memory/4484-14-0x00000000748B0000-0x000000007506C000-memory.dmp

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