asyncrat | 37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77

Analysis

max time kernel
6s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 15:54

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General

Target
37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
Size 45KB
Sample260718-tchh8aat4s
SHA256 37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77
MD5 ebd3e71cff8285589b35aa3a455cfa53
SHA1 5fcdba441df240629151fa503d94a4fd2a3f6ee6
SHA512 7446b740c08e1854d6f9fee00c5d0b66a730b371bb734117581039140edd3a54011b4d2cc4ca62f0731fc4c7bce256bfe42d8581cf02a8ad6f41bf69ad9f3f6d
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1b0e3+Kv18iZPIezjbDge3i5PXNVMq73TRspq67BDZW:cuR0JTPjY2i3T6iWe3bceSBXNVp73Fsa
TLSH
T1C1233B003BE9812BF27E4F78A8F26145867BF6632603D5491CC451DB5623FC68A43AFE
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

dagatructiep.ph:80
dagatructiep.ph:22
dagatructiep.ph:8080
dagatructiep.ph:8880
dagatructiep.ph:2052
dagatructiep.ph:2082
dagatructiep.ph:2086
dagatructiep.ph:2095
dagatructiep.ph:443
dagatructiep.ph:2053
dagatructiep.ph:2083
dagatructiep.ph:2087
dagatructiep.ph:2096
dagatructiep.ph:8443
www.dagatructiep.ph:80
www.dagatructiep.ph:22
www.dagatructiep.ph:8080
www.dagatructiep.ph:8880
www.dagatructiep.ph:2052
www.dagatructiep.ph:2082
www.dagatructiep.ph:2086
www.dagatructiep.ph:2095
www.dagatructiep.ph:443
www.dagatructiep.ph:2053
www.dagatructiep.ph:2083
www.dagatructiep.ph:2087
www.dagatructiep.ph:2096
www.dagatructiep.ph:8443
ryuk.dagatructiep.ph:80
ryuk.dagatructiep.ph:22
ryuk.dagatructiep.ph:8080
ryuk.dagatructiep.ph:8880
ryuk.dagatructiep.ph:2052
ryuk.dagatructiep.ph:2082
ryuk.dagatructiep.ph:2086
ryuk.dagatructiep.ph:2095
ryuk.dagatructiep.ph:443
ryuk.dagatructiep.ph:2053
ryuk.dagatructiep.ph:2083
ryuk.dagatructiep.ph:2087
ryuk.dagatructiep.ph:2096
ryuk.dagatructiep.ph:8443
iloveyou.dagatructiep.ph:80
iloveyou.dagatructiep.ph:22
iloveyou.dagatructiep.ph:8080
iloveyou.dagatructiep.ph:8880
iloveyou.dagatructiep.ph:2052
iloveyou.dagatructiep.ph:2082
iloveyou.dagatructiep.ph:2086
iloveyou.dagatructiep.ph:2095
iloveyou.dagatructiep.ph:443
iloveyou.dagatructiep.ph:2053
iloveyou.dagatructiep.ph:2083
iloveyou.dagatructiep.ph:2087
iloveyou.dagatructiep.ph:2096
iloveyou.dagatructiep.ph:8443

Mutex

EasUfdVS2zLv

Attributes

delay
0
install
true
install_file
wvxl.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/0x0006000000016b4d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2880	wvxl.exe
2776	wvxl.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
4532	cmd.exe
4152	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	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
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	wvxl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wvxl.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4536	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
3184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
Token: SeDebugPrivilege	2880	wvxl.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 4532	3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe	89
PID 3164 wrote to memory of 4152	3164	37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe	90
PID 4532 wrote to memory of 3184	4532	cmd.exe	93
PID 4152 wrote to memory of 4536	4152	cmd.exe	94
PID 4152 wrote to memory of 2776	4152	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe
"C:\Users\Admin\AppData\Local\Temp\37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "wvxl" /tr '"C:\Users\Admin\AppData\Roaming\wvxl.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "wvxl" /tr '"C:\Users\Admin\AppData\Roaming\wvxl.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEB45.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4536
- - C:\Users\Admin\AppData\Roaming\wvxl.exe
    "C:\Users\Admin\AppData\Roaming\wvxl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2776

C:\Users\Admin\AppData\Roaming\wvxl.exe
"C:\Users\Admin\AppData\Roaming\wvxl.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2880

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

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Downloads

tmpEB45.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEB45.tmp.bat
Size 148B
SHA256 d81454ada396e7bb146ebb391ac250cf303150fcf6b5cfb5bfab3eb9a330f20b
MD5 bdcfb3a55ff200bf6d114d712ac5aed3
SHA1 a86cf33f0d0060b2b8b46be757da8f9ecc6fea04
SHA512 fdd0d6162cb755d98cdca141f2318df0f4904bb79773b633f4c8891dcc3cd2e90495db64d447f154fd3c00a22fb8c3c9fe25e0f40caf9ec50ebae0071067751d
TLSH
T193C02B4371CAEA0E3C05242317FAF68DA1B26C293F48BB40D304415D17C0488F0DF341
MD5 SHA1 SHA512 TLSH

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wvxl.exe

Path C:\Users\Admin\AppData\Roaming\wvxl.exe
Size 45KB
SHA256 37405215b445e11966476111db8eb432e859c088cd958c9307e14344917dab77
MD5 ebd3e71cff8285589b35aa3a455cfa53
SHA1 5fcdba441df240629151fa503d94a4fd2a3f6ee6
SHA512 7446b740c08e1854d6f9fee00c5d0b66a730b371bb734117581039140edd3a54011b4d2cc4ca62f0731fc4c7bce256bfe42d8581cf02a8ad6f41bf69ad9f3f6d
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1b0e3+Kv18iZPIezjbDge3i5PXNVMq73TRspq67BDZW:cuR0JTPjY2i3T6iWe3bceSBXNVp73Fsa
TLSH
T1C1233B003BE9812BF27E4F78A8F26145867BF6632603D5491CC451DB5623FC68A43AFE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2880-12-0x0000000074900000-0x00000000750BC000-memory.dmp

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memory/2880-14-0x0000000074900000-0x00000000750BC000-memory.dmp

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memory/3164-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

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memory/3164-1-0x0000000000EF0000-0x0000000000F02000-memory.dmp

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memory/3164-2-0x0000000074AC0000-0x000000007527C000-memory.dmp

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memory/3164-3-0x0000000005A90000-0x0000000005B2C000-memory.dmp

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memory/3164-8-0x0000000074AC0000-0x000000007527C000-memory.dmp

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