asyncrat | 81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668

Analysis

max time kernel
148s
max time network
148s
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, 06:22

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General

Target
81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
Size 45KB
Sample260802-g5d1aaec76
SHA256 81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668
MD5 0e9bd52b422f69996c184a5e83ed5883
SHA1 408442a63a6cfa7c16ff907565966032bd59568e
SHA512 0b29d644a563e85308442bd270303c584d7a039a243379579cec9723832c243d7c2bc079894822b9fc22d05d7aa5f05619b6018b8e9ae497bb93969b85a474f0
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrjgzZUpx7PI8MjbvgX3i5Bjqv1bVRMgpCo/DC25Qp:vuogpT7I62gon88bYXSfiJagd/DC25Qp
TLSH
T179232B003BE8813BF2BE5FB499F26145867AF5732603D64D6CC412DB5723BC68A426ED
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
downadup.xcavengon.click:80
downadup.xcavengon.click:22
downadup.xcavengon.click:8080
downadup.xcavengon.click:8880
downadup.xcavengon.click:2052
downadup.xcavengon.click:2082
downadup.xcavengon.click:2086
downadup.xcavengon.click:2095
downadup.xcavengon.click:443
downadup.xcavengon.click:2053
downadup.xcavengon.click:2083
downadup.xcavengon.click:2087
downadup.xcavengon.click:2096
downadup.xcavengon.click:8443
sasser.xcavengon.click:80
sasser.xcavengon.click:22
sasser.xcavengon.click:8080
sasser.xcavengon.click:8880
sasser.xcavengon.click:2052
sasser.xcavengon.click:2082
sasser.xcavengon.click:2086
sasser.xcavengon.click:2095
sasser.xcavengon.click:443
sasser.xcavengon.click:2053
sasser.xcavengon.click:2083
sasser.xcavengon.click:2087
sasser.xcavengon.click:2096
sasser.xcavengon.click:8443
qakbot.xcavengon.click:80
qakbot.xcavengon.click:22
qakbot.xcavengon.click:8080
qakbot.xcavengon.click:8880
qakbot.xcavengon.click:2052
qakbot.xcavengon.click:2082
qakbot.xcavengon.click:2086
qakbot.xcavengon.click:2095
qakbot.xcavengon.click:443
qakbot.xcavengon.click:2053
qakbot.xcavengon.click:2083
qakbot.xcavengon.click:2087
qakbot.xcavengon.click:2096
qakbot.xcavengon.click:8443
blaster.xcavengon.click:80
blaster.xcavengon.click:22
blaster.xcavengon.click:8080
blaster.xcavengon.click:8880
blaster.xcavengon.click:2052
blaster.xcavengon.click:2082
blaster.xcavengon.click:2086
blaster.xcavengon.click:2095
blaster.xcavengon.click:443
blaster.xcavengon.click:2053
blaster.xcavengon.click:2083
blaster.xcavengon.click:2087
blaster.xcavengon.click:2096
blaster.xcavengon.click:8443

Mutex

wOaVpHYpiVqa

Attributes

delay
0
install
true
install_file
hcbelq9e.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/0x000e00000001c49d-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
4492	hcbelq9e.exe

Outbound SSH connection to public host 2 TTPs 2 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	18	172.67.189.217:22
SSH destination	20	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
252	cmd.exe
4540	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcbelq9e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3576	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
1816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 252	2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe	89
PID 2260 wrote to memory of 4540	2260	81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe	91
PID 252 wrote to memory of 1816	252	cmd.exe	93
PID 4540 wrote to memory of 3576	4540	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe
"C:\Users\Admin\AppData\Local\Temp\81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hcbelq9e" /tr '"C:\Users\Admin\AppData\Roaming\hcbelq9e.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:252
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "hcbelq9e" /tr '"C:\Users\Admin\AppData\Roaming\hcbelq9e.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1816
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp44DF.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3576
- - C:\Users\Admin\AppData\Roaming\hcbelq9e.exe
    "C:\Users\Admin\AppData\Roaming\hcbelq9e.exe"
    3⤵
    PID:2756

C:\Users\Admin\AppData\Roaming\hcbelq9e.exe
"C:\Users\Admin\AppData\Roaming\hcbelq9e.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4492

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

Replay Monitor

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Downloads

tmp44DF.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp44DF.tmp.bat
Size 152B
SHA256 d202164a2331827d782705bd75fbba3ddabf92ae43d3ce196fe0168fdcc2559e
MD5 cf390b82c5777bc4c06ea1df7dbacf24
SHA1 4388aac02dd09f85e1e974b159b36029d628de99
SHA512 5028782eaee379f81513aca06a57d3215064aaa247784fd93e88e04b1ca4dc430a283da253c2ea9de09200de115db8fa06aa0ae53ce6d489dcaf342e642a2719
TLSH
T1FEC02B4379C5EB0E280A742303FFD49C91B2AC2A3F48BF00C304404E93C0449F8D9346
MD5 SHA1 SHA512 TLSH

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hcbelq9e.exe

Path C:\Users\Admin\AppData\Roaming\hcbelq9e.exe
Size 45KB
SHA256 81865184bebd59d615d4cd4811939a3ce497904ed885abfc2bcc3bfbcfb8c668
MD5 0e9bd52b422f69996c184a5e83ed5883
SHA1 408442a63a6cfa7c16ff907565966032bd59568e
SHA512 0b29d644a563e85308442bd270303c584d7a039a243379579cec9723832c243d7c2bc079894822b9fc22d05d7aa5f05619b6018b8e9ae497bb93969b85a474f0
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrjgzZUpx7PI8MjbvgX3i5Bjqv1bVRMgpCo/DC25Qp:vuogpT7I62gon88bYXSfiJagd/DC25Qp
TLSH
T179232B003BE8813BF2BE5FB499F26145867AF5732603D64D6CC412DB5723BC68A426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2260-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/2260-1-0x0000000000D70000-0x0000000000D82000-memory.dmp

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memory/2260-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/2260-3-0x00000000058E0000-0x000000000597C000-memory.dmp

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memory/2260-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/4492-12-0x0000000074A90000-0x000000007524C000-memory.dmp

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memory/4492-14-0x0000000074A90000-0x000000007524C000-memory.dmp

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