asyncrat | 5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7

Analysis

max time kernel
148s
max time network
154s
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, 15:48

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General

Target
5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
Size 45KB
Sample260804-s8vyra1yhs
SHA256 5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7
MD5 8d453b943f21aacbc0ada50a7d1b9e90
SHA1 b524efdd6551a55f4e5002f655e1ae6967d7f3b8
SHA512 5707b993a85275f8f63a6678e98542fc9b30f7958331c6ddc3b5a6b9e1b4cd4db870393e3897cf7c3e2e6f073039676876d2241f6015364386c1fe89b4430cf9
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqjSOPI/XzzjbvgX3iv5wAaGFjkQ3qU2yKCv:0u1YJTHcw2HyoO3/Xz3bYXSv5w2hjasf
TLSH
T1F1231A003BE8812BF2BE4F78ADF26145867AF6633603D5891CC451D75623FC69A426FE
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
malware.heovl.im:80
malware.heovl.im:22
malware.heovl.im:8080
malware.heovl.im:8880
malware.heovl.im:2052
malware.heovl.im:2082
malware.heovl.im:2086
malware.heovl.im:2095
malware.heovl.im:443
malware.heovl.im:2053
malware.heovl.im:2083
malware.heovl.im:2087
malware.heovl.im:2096
malware.heovl.im:8443
notpetya.heovl.im:80
notpetya.heovl.im:22
notpetya.heovl.im:8080
notpetya.heovl.im:8880
notpetya.heovl.im:2052
notpetya.heovl.im:2082
notpetya.heovl.im:2086
notpetya.heovl.im:2095
notpetya.heovl.im:443
notpetya.heovl.im:2053
notpetya.heovl.im:2083
notpetya.heovl.im:2087
notpetya.heovl.im:2096
notpetya.heovl.im:8443
hacker.heovl.im:80
hacker.heovl.im:22
hacker.heovl.im:8080
hacker.heovl.im:8880
hacker.heovl.im:2052
hacker.heovl.im:2082
hacker.heovl.im:2086
hacker.heovl.im:2095
hacker.heovl.im:443
hacker.heovl.im:2053
hacker.heovl.im:2083
hacker.heovl.im:2087
hacker.heovl.im:2096
hacker.heovl.im:8443
stuxnet.heovl.im:80
stuxnet.heovl.im:22
stuxnet.heovl.im:8080
stuxnet.heovl.im:8880
stuxnet.heovl.im:2052
stuxnet.heovl.im:2082
stuxnet.heovl.im:2086
stuxnet.heovl.im:2095
stuxnet.heovl.im:443
stuxnet.heovl.im:2053
stuxnet.heovl.im:2083
stuxnet.heovl.im:2087
stuxnet.heovl.im:2096
stuxnet.heovl.im:8443

Mutex

UxphVSYD4zru

Attributes

delay
0
install
true
install_file
yeu4ow.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/0x000e00000001c466-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4860	yeu4ow.exe
1132	yeu4ow.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	4	104.26.7.168:22
SSH destination	8	104.26.6.168:22
SSH destination	12	172.67.71.133:22

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
4928	cmd.exe
5436	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	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yeu4ow.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yeu4ow.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1112	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
4368	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 4928	3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe	89
PID 3360 wrote to memory of 5436	3360	5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe	91
PID 4928 wrote to memory of 4368	4928	cmd.exe	93
PID 5436 wrote to memory of 1112	5436	cmd.exe	94
PID 5436 wrote to memory of 1132	5436	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe
"C:\Users\Admin\AppData\Local\Temp\5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "yeu4ow" /tr '"C:\Users\Admin\AppData\Roaming\yeu4ow.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "yeu4ow" /tr '"C:\Users\Admin\AppData\Roaming\yeu4ow.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4368
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp192B.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5436
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1112
- - C:\Users\Admin\AppData\Roaming\yeu4ow.exe
    "C:\Users\Admin\AppData\Roaming\yeu4ow.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1132

C:\Users\Admin\AppData\Roaming\yeu4ow.exe
"C:\Users\Admin\AppData\Roaming\yeu4ow.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4860

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

tmp192B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp192B.tmp.bat
Size 150B
SHA256 9fbde748a7952851ff0feec5fe48dccf88bb42c525bce3299671ede8f7d37d64
MD5 21cdc28d625357c3b3dcccb6355eb5b2
SHA1 ed5149c4bd84cb0f8e0b66821948aeb911fb82b6
SHA512 182522cb243d2843537630d4c9c72a9da1fd2042ee7112775dded5060f2eec40f998849da3305d85ece80735c96837b60803dbd8744a460e8cca9d2400fb8288
TLSH
T177C02B4251CDFA9F290A141302FEE5CCA1B2AC1E3F84BB00C784444D3280459F0D9385
MD5 SHA1 SHA512 TLSH

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yeu4ow.exe

Path C:\Users\Admin\AppData\Roaming\yeu4ow.exe
Size 45KB
SHA256 5c2c9c8400d0d21c3081ce239cc76a178bec4ed35056ae2bd30398d65aba7df7
MD5 8d453b943f21aacbc0ada50a7d1b9e90
SHA1 b524efdd6551a55f4e5002f655e1ae6967d7f3b8
SHA512 5707b993a85275f8f63a6678e98542fc9b30f7958331c6ddc3b5a6b9e1b4cd4db870393e3897cf7c3e2e6f073039676876d2241f6015364386c1fe89b4430cf9
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqjSOPI/XzzjbvgX3iv5wAaGFjkQ3qU2yKCv:0u1YJTHcw2HyoO3/Xz3bYXSv5w2hjasf
TLSH
T1F1231A003BE8812BF2BE4F78ADF26145867AF6633603D5891CC451D75623FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3360-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

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memory/3360-1-0x0000000000500000-0x0000000000512000-memory.dmp

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memory/3360-2-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/3360-3-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

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memory/3360-9-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/4860-12-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/4860-14-0x0000000074D60000-0x000000007551C000-memory.dmp

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