asyncrat | 736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85

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
04/08/2026, 19:01

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General

Target
736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
Size 45KB
Sample260804-xpcehsxhja
SHA256 736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85
MD5 d9424685fa0907e4af26aa7de944501d
SHA1 94dc8af87df152bbe36fadaf1ee2da27eb5107e1
SHA512 dfed2a199a7a146b08e31e07b6e878358730ab39dd1ee08f4f4ae5148b6490aa979ebd79cf5684cf2b2f4b484a2d38d634da8c145aed812d2f588f7e92ec7df9
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVW9PLzizyvtLjZPIXzjbUgXTigiWGvBDZEx:MuBGJTPho2L9HiGVjWX3b7XONdEx
TLSH
T167232A003BE9812BF2BE4F78A8F26145467AF6736603D94D1CC052DB5613FC6DA42AED
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

xcavengon.click:80
xcavengon.click:22
xcavengon.click:8080
xcavengon.click:8880
xcavengon.click:2052
xcavengon.click:2082
xcavengon.click:2086
xcavengon.click:2095
xcavengon.click:443
xcavengon.click:2053
xcavengon.click:2083
xcavengon.click:2087
xcavengon.click:2096
xcavengon.click:8443
www.xcavengon.click:80
www.xcavengon.click:22
www.xcavengon.click:8080
www.xcavengon.click:8880
www.xcavengon.click:2052
www.xcavengon.click:2082
www.xcavengon.click:2086
www.xcavengon.click:2095
www.xcavengon.click:443
www.xcavengon.click:2053
www.xcavengon.click:2083
www.xcavengon.click:2087
www.xcavengon.click:2096
www.xcavengon.click:8443
zeus.xcavengon.click:80
zeus.xcavengon.click:22
zeus.xcavengon.click:8080
zeus.xcavengon.click:8880
zeus.xcavengon.click:2052
zeus.xcavengon.click:2082
zeus.xcavengon.click:2086
zeus.xcavengon.click:2095
zeus.xcavengon.click:443
zeus.xcavengon.click:2053
zeus.xcavengon.click:2083
zeus.xcavengon.click:2087
zeus.xcavengon.click:2096
zeus.xcavengon.click:8443
codered.xcavengon.click:80
codered.xcavengon.click:22
codered.xcavengon.click:8080
codered.xcavengon.click:8880
codered.xcavengon.click:2052
codered.xcavengon.click:2082
codered.xcavengon.click:2086
codered.xcavengon.click:2095
codered.xcavengon.click:443
codered.xcavengon.click:2053
codered.xcavengon.click:2083
codered.xcavengon.click:2087
codered.xcavengon.click:2096
codered.xcavengon.click:8443
zbot.xcavengon.click:80
zbot.xcavengon.click:22
zbot.xcavengon.click:8080
zbot.xcavengon.click:8880
zbot.xcavengon.click:2052
zbot.xcavengon.click:2082
zbot.xcavengon.click:2086
zbot.xcavengon.click:2095
zbot.xcavengon.click:443
zbot.xcavengon.click:2053
zbot.xcavengon.click:2083
zbot.xcavengon.click:2087
zbot.xcavengon.click:2096
zbot.xcavengon.click:8443

Mutex

KjXeOC2GWEpm

Attributes

delay
0
install
true
install_file
au7o.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/0x000f00000001c4df-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2724	au7o.exe
4236	au7o.exe

Outbound SSH connection to public host 2 TTPs 4 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	5	172.67.189.217:22
SSH destination	10	104.21.10.8:22
SSH destination	14	172.67.189.217:22
SSH destination	15	104.21.10.8:22

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
1220	cmd.exe
5052	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	au7o.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.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	au7o.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4140	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
4884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 1220	3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe	89
PID 3304 wrote to memory of 5052	3304	736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe	91
PID 1220 wrote to memory of 4884	1220	cmd.exe	93
PID 5052 wrote to memory of 4140	5052	cmd.exe	94
PID 5052 wrote to memory of 4236	5052	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe
"C:\Users\Admin\AppData\Local\Temp\736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "au7o" /tr '"C:\Users\Admin\AppData\Roaming\au7o.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "au7o" /tr '"C:\Users\Admin\AppData\Roaming\au7o.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4884
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp286E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4140
- - C:\Users\Admin\AppData\Roaming\au7o.exe
    "C:\Users\Admin\AppData\Roaming\au7o.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4236

C:\Users\Admin\AppData\Roaming\au7o.exe
"C:\Users\Admin\AppData\Roaming\au7o.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2724

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

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp286E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp286E.tmp.bat
Size 148B
SHA256 4fa3ede1a27bc56a011170e7590f91983b3ca6dace0528c15a8c25788e55987a
MD5 7f6e26d8a6dcd59d02558905739cc99a
SHA1 75a5774453dfccc51804f964bac7766c8cff3d57
SHA512 b9d41107646e3561b2e22d3743cc55e40a06ca14e33f73d1f2ef2224978ebdcfb7d46d19c5299f03a5fc37cbe37266cf1c629a426bdaef7ab12688abb098727c
TLSH
T19BC02B4272C5EA2F3905245303FBD88CA172BC293F40BB90C304401E6280489F0F9341
MD5 SHA1 SHA512 TLSH

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au7o.exe

Path C:\Users\Admin\AppData\Roaming\au7o.exe
Size 45KB
SHA256 736125f8a6a98550cb512e9a2930114b6a3e0a29f423d3a825c6ce8b22467c85
MD5 d9424685fa0907e4af26aa7de944501d
SHA1 94dc8af87df152bbe36fadaf1ee2da27eb5107e1
SHA512 dfed2a199a7a146b08e31e07b6e878358730ab39dd1ee08f4f4ae5148b6490aa979ebd79cf5684cf2b2f4b484a2d38d634da8c145aed812d2f588f7e92ec7df9
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVW9PLzizyvtLjZPIXzjbUgXTigiWGvBDZEx:MuBGJTPho2L9HiGVjWX3b7XONdEx
TLSH
T167232A003BE9812BF2BE4F78A8F26145467AF6736603D94D1CC052DB5613FC6DA42AED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2724-12-0x0000000074350000-0x0000000074B0C000-memory.dmp

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memory/2724-14-0x0000000074350000-0x0000000074B0C000-memory.dmp

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memory/3304-0-0x0000000074562000-0x0000000074563000-memory.dmp

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memory/3304-1-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

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memory/3304-2-0x0000000074550000-0x0000000074D0C000-memory.dmp

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memory/3304-3-0x0000000005A20000-0x0000000005ABC000-memory.dmp

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memory/3304-8-0x0000000074550000-0x0000000074D0C000-memory.dmp

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