asyncrat | 5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c

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
01/08/2026, 16:07

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General

Target
5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
Size 45KB
Sample260801-tk599acr2w
SHA256 5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c
MD5 da76c79ea4c0f0c55bc7cdfbf5b16add
SHA1 07bd7b9e20c7b6e295c301c80cf44892c93d8b7b
SHA512 b689c484813b36bb9ea582ef0dba1913b818ae5260111b60ec58ab4ed5f086b4a96be816d171d3659512b7453afdbab35541aa529b1176b013708061d882218c
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVvLiE0yFjrdj3kk8PIhjjbCgX3i5O9Exrh+6BDZbx:4uBfJTMpv2CLBXDBhHblXSP9h+kdbx
TLSH
T11D232B0037E8C12BF2BE4F78ADF26145867AF6736603D5491C8451DB5723BC68A43AFA
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

heovl.im:80
heovl.im:22
heovl.im:8080
heovl.im:8880
heovl.im:2052
heovl.im:2082
heovl.im:2086
heovl.im:2095
heovl.im:443
heovl.im:2053
heovl.im:2083
heovl.im:2087
heovl.im:2096
heovl.im:8443
www.heovl.im:80
www.heovl.im:22
www.heovl.im:8080
www.heovl.im:8880
www.heovl.im:2052
www.heovl.im:2082
www.heovl.im:2086
www.heovl.im:2095
www.heovl.im:443
www.heovl.im:2053
www.heovl.im:2083
www.heovl.im:2087
www.heovl.im:2096
www.heovl.im:8443
trickbot.heovl.im:80
trickbot.heovl.im:22
trickbot.heovl.im:8080
trickbot.heovl.im:8880
trickbot.heovl.im:2052
trickbot.heovl.im:2082
trickbot.heovl.im:2086
trickbot.heovl.im:2095
trickbot.heovl.im:443
trickbot.heovl.im:2053
trickbot.heovl.im:2083
trickbot.heovl.im:2087
trickbot.heovl.im:2096
trickbot.heovl.im:8443
zbot.heovl.im:80
zbot.heovl.im:22
zbot.heovl.im:8080
zbot.heovl.im:8880
zbot.heovl.im:2052
zbot.heovl.im:2082
zbot.heovl.im:2086
zbot.heovl.im:2095
zbot.heovl.im:443
zbot.heovl.im:2053
zbot.heovl.im:2083
zbot.heovl.im:2087
zbot.heovl.im:2096
zbot.heovl.im:8443

Mutex

QQBn4H23mjaw

Attributes

delay
0
install
true
install_file
yru8.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/0x000b00000001b8ab-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
584	yru8.exe
3276	yru8.exe

Outbound SSH connection to public host 2 TTPs 3 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	8	104.26.6.168:22
SSH destination	9	172.67.71.133:22
SSH destination	11	104.26.7.168:22

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
5572	cmd.exe
4368	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	yru8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.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	yru8.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5988	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
4328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 5572	3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe	90
PID 3820 wrote to memory of 4368	3820	5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe	92
PID 5572 wrote to memory of 4328	5572	cmd.exe	94
PID 4368 wrote to memory of 5988	4368	cmd.exe	95
PID 4368 wrote to memory of 3276	4368	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe
"C:\Users\Admin\AppData\Local\Temp\5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "yru8" /tr '"C:\Users\Admin\AppData\Roaming\yru8.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5572
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "yru8" /tr '"C:\Users\Admin\AppData\Roaming\yru8.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4328
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5BF1.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5988
- - C:\Users\Admin\AppData\Roaming\yru8.exe
    "C:\Users\Admin\AppData\Roaming\yru8.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3276

C:\Users\Admin\AppData\Roaming\yru8.exe
"C:\Users\Admin\AppData\Roaming\yru8.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5276

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

tmp5BF1.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5BF1.tmp.bat
Size 148B
SHA256 7a8840c83bc62ab0edd6d064113cb37386e373b7cd8fc76d40f2fa88e665ec8f
MD5 d4c7a28c41df949dde2771ba08632333
SHA1 56abb288da00e60103c3cbc2920074db4bd1659d
SHA512 11c82958b5c9f429453b796d28c6ad056569a78647b232dfe5353ea9e7889130e17a90b4312eaeefbb5177ea610ba3df3e02321f24bbf37dd122f4152aa28447
TLSH
T183C02B4391C9EA4E680514E302FAF9CDA1726C1A3F48BB40D348464E328044CF0D9342
MD5 SHA1 SHA512 TLSH

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yru8.exe

Path C:\Users\Admin\AppData\Roaming\yru8.exe
Size 45KB
SHA256 5ab834777051b93fa4cffb628f86720d94168d6c77eae01e92806825c648593c
MD5 da76c79ea4c0f0c55bc7cdfbf5b16add
SHA1 07bd7b9e20c7b6e295c301c80cf44892c93d8b7b
SHA512 b689c484813b36bb9ea582ef0dba1913b818ae5260111b60ec58ab4ed5f086b4a96be816d171d3659512b7453afdbab35541aa529b1176b013708061d882218c
SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVvLiE0yFjrdj3kk8PIhjjbCgX3i5O9Exrh+6BDZbx:4uBfJTMpv2CLBXDBhHblXSP9h+kdbx
TLSH
T11D232B0037E8C12BF2BE4F78ADF26145867AF6736603D5491C8451DB5723BC68A43AFA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/584-12-0x0000000074F00000-0x00000000756BC000-memory.dmp

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memory/584-14-0x0000000074F00000-0x00000000756BC000-memory.dmp

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memory/3820-0-0x0000000075102000-0x0000000075103000-memory.dmp

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memory/3820-1-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

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memory/3820-2-0x00000000750F0000-0x00000000758AC000-memory.dmp

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memory/3820-3-0x00000000054F0000-0x000000000558C000-memory.dmp

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memory/3820-8-0x00000000750F0000-0x00000000758AC000-memory.dmp

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