asyncrat | 10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 16:11

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General

Target
10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
Size 45KB
Sample260802-tm4jfaweqf
SHA256 10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279
MD5 de2e690d8b0a896367d9edefdd2f01d7
SHA1 1753d7c2cecaad66efbd65c326290236bca50940
SHA512 a143f0f16a6828ff7d6017564ac5c9464771cf40d89443751b38ede1fe1f16555fa200d6a19d3864af914ffe5731c31cd4887b1bff1080e84b04e4a1198dff5f
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFvZTohEaSPIrzjbYgX3iHHVVVkjTlm+9BDZEx:MuLAZTnbg2O4Ea7r3bPXSnr0VdEx
TLSH
T172232B003BE8812BF2BE4F78ACF26145467AF1A36603D64D2CC451DB5613FC6DA526FA
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

haysexcdn.net:80
haysexcdn.net:22
haysexcdn.net:8080
haysexcdn.net:8880
haysexcdn.net:2052
haysexcdn.net:2082
haysexcdn.net:2086
haysexcdn.net:2095
haysexcdn.net:443
haysexcdn.net:2053
haysexcdn.net:2083
haysexcdn.net:2087
haysexcdn.net:2096
haysexcdn.net:8443
www.haysexcdn.net:80
www.haysexcdn.net:22
www.haysexcdn.net:8080
www.haysexcdn.net:8880
www.haysexcdn.net:2052
www.haysexcdn.net:2082
www.haysexcdn.net:2086
www.haysexcdn.net:2095
www.haysexcdn.net:443
www.haysexcdn.net:2053
www.haysexcdn.net:2083
www.haysexcdn.net:2087
www.haysexcdn.net:2096
www.haysexcdn.net:8443
mirai.haysexcdn.net:80
mirai.haysexcdn.net:22
mirai.haysexcdn.net:8080
mirai.haysexcdn.net:8880
mirai.haysexcdn.net:2052
mirai.haysexcdn.net:2082
mirai.haysexcdn.net:2086
mirai.haysexcdn.net:2095
mirai.haysexcdn.net:443
mirai.haysexcdn.net:2053
mirai.haysexcdn.net:2083
mirai.haysexcdn.net:2087
mirai.haysexcdn.net:2096
mirai.haysexcdn.net:8443
malware.haysexcdn.net:80
malware.haysexcdn.net:22
malware.haysexcdn.net:8080
malware.haysexcdn.net:8880
malware.haysexcdn.net:2052
malware.haysexcdn.net:2082
malware.haysexcdn.net:2086
malware.haysexcdn.net:2095
malware.haysexcdn.net:443
malware.haysexcdn.net:2053
malware.haysexcdn.net:2083
malware.haysexcdn.net:2087
malware.haysexcdn.net:2096
malware.haysexcdn.net:8443
formbook.haysexcdn.net:80
formbook.haysexcdn.net:22
formbook.haysexcdn.net:8080
formbook.haysexcdn.net:8880
formbook.haysexcdn.net:2052
formbook.haysexcdn.net:2082
formbook.haysexcdn.net:2086
formbook.haysexcdn.net:2095
formbook.haysexcdn.net:443
formbook.haysexcdn.net:2053
formbook.haysexcdn.net:2083
formbook.haysexcdn.net:2087
formbook.haysexcdn.net:2096
formbook.haysexcdn.net:8443

Mutex

qNu2qNHzft5J

Attributes

delay
0
install
true
install_file
v5t85.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/0x000c00000001c718-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4360	v5t85.exe
4448	v5t85.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	6	172.67.73.19:22
SSH destination	7	104.26.4.211:22
SSH destination	9	104.26.5.211:22
SSH destination	10	172.67.73.19:22

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
6464	cmd.exe
2740	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	v5t85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.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	v5t85.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4956	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
5480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
Token: SeDebugPrivilege	4360	v5t85.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 6464	984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe	88
PID 984 wrote to memory of 2740	984	10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe	90
PID 6464 wrote to memory of 5480	6464	cmd.exe	92
PID 2740 wrote to memory of 4956	2740	cmd.exe	93
PID 2740 wrote to memory of 4448	2740	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe
"C:\Users\Admin\AppData\Local\Temp\10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "v5t85" /tr '"C:\Users\Admin\AppData\Roaming\v5t85.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6464
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "v5t85" /tr '"C:\Users\Admin\AppData\Roaming\v5t85.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5480
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB9A2.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4956
- - C:\Users\Admin\AppData\Roaming\v5t85.exe
    "C:\Users\Admin\AppData\Roaming\v5t85.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4448

C:\Users\Admin\AppData\Roaming\v5t85.exe
"C:\Users\Admin\AppData\Roaming\v5t85.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4360

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:1360

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

tmpB9A2.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB9A2.tmp.bat
Size 149B
SHA256 bab201ef65c44adff12d0e8be3b979b25e53302a79c49cb61b3c2ed915b01a93
MD5 fad34a487b16af8cbe0ae9b006d8c8c7
SHA1 122637cf7ac03e9ea9dda78776212eb88cfafa44
SHA512 b6855a0df9fd94ef0c15ea5bb9964a03472814f7388ad348a07b20c061a9148e9899e686e82a9ee8d81d25bcece5753ea5d5bb506f7d1724ab4c9a0f1b24c414
TLSH
T13CC02B8351C5EE1F780564530AFAD4DD91776C593F40BB40C714400D2280488F0D9381
MD5 SHA1 SHA512 TLSH

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v5t85.exe

Path C:\Users\Admin\AppData\Roaming\v5t85.exe
Size 45KB
SHA256 10245b02a789ebc9b36b16f028d0bc8ac67c49492f2c455092b5771ab730b279
MD5 de2e690d8b0a896367d9edefdd2f01d7
SHA1 1753d7c2cecaad66efbd65c326290236bca50940
SHA512 a143f0f16a6828ff7d6017564ac5c9464771cf40d89443751b38ede1fe1f16555fa200d6a19d3864af914ffe5731c31cd4887b1bff1080e84b04e4a1198dff5f
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFvZTohEaSPIrzjbYgX3iHHVVVkjTlm+9BDZEx:MuLAZTnbg2O4Ea7r3bPXSnr0VdEx
TLSH
T172232B003BE8812BF2BE4F78ACF26145467AF1A36603D64D2CC451DB5613FC6DA526FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/984-0-0x0000000074332000-0x0000000074333000-memory.dmp

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memory/984-1-0x0000000000760000-0x0000000000772000-memory.dmp

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memory/984-2-0x0000000074320000-0x0000000074ADC000-memory.dmp

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memory/984-3-0x0000000005150000-0x00000000051EC000-memory.dmp

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memory/984-8-0x0000000074320000-0x0000000074ADC000-memory.dmp

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memory/4360-12-0x00000000741B0000-0x000000007496C000-memory.dmp

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memory/4360-14-0x00000000741B0000-0x000000007496C000-memory.dmp

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