asyncrat | 7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28

Analysis

max time kernel
148s
max time network
152s
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, 17:16

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General

Target
7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
Size 45KB
Sample260804-vtmd6swbkc
SHA256 7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28
MD5 7679b85e0b566f08fdf2f008c52ff224
SHA1 bfb3f67ff1f28ee30fba48ebb02625a7421918e5
SHA512 989cbc9d51bc09594d24c22d48d99b0aa3c83b2191220d69be198a8a259034bab750a2d0e0885074450210165a4934ee224402afa06ce63656ead9d0de6b5784
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFw3HO4SNMOPI0azjb0gb3iFiDJnpQyrjBDZEx:MuLAZTnbg2R+JM30a3bbbSinDBdEx
TLSH
T1F0233B003BE8812BF2BE5F789DF261458A7AF2633603D94A1CC452D75713FC69A426F9
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

hentaihay.blog:80
hentaihay.blog:22
hentaihay.blog:8080
hentaihay.blog:8880
hentaihay.blog:2052
hentaihay.blog:2082
hentaihay.blog:2086
hentaihay.blog:2095
hentaihay.blog:443
hentaihay.blog:2053
hentaihay.blog:2083
hentaihay.blog:2087
hentaihay.blog:2096
hentaihay.blog:8443
www.hentaihay.blog:80
www.hentaihay.blog:22
www.hentaihay.blog:8080
www.hentaihay.blog:8880
www.hentaihay.blog:2052
www.hentaihay.blog:2082
www.hentaihay.blog:2086
www.hentaihay.blog:2095
www.hentaihay.blog:443
www.hentaihay.blog:2053
www.hentaihay.blog:2083
www.hentaihay.blog:2087
www.hentaihay.blog:2096
www.hentaihay.blog:8443
emotet.hentaihay.blog:80
emotet.hentaihay.blog:22
emotet.hentaihay.blog:8080
emotet.hentaihay.blog:8880
emotet.hentaihay.blog:2052
emotet.hentaihay.blog:2082
emotet.hentaihay.blog:2086
emotet.hentaihay.blog:2095
emotet.hentaihay.blog:443
emotet.hentaihay.blog:2053
emotet.hentaihay.blog:2083
emotet.hentaihay.blog:2087
emotet.hentaihay.blog:2096
emotet.hentaihay.blog:8443
malware.hentaihay.blog:80
malware.hentaihay.blog:22
malware.hentaihay.blog:8080
malware.hentaihay.blog:8880
malware.hentaihay.blog:2052
malware.hentaihay.blog:2082
malware.hentaihay.blog:2086
malware.hentaihay.blog:2095
malware.hentaihay.blog:443
malware.hentaihay.blog:2053
malware.hentaihay.blog:2083
malware.hentaihay.blog:2087
malware.hentaihay.blog:2096
malware.hentaihay.blog:8443
hacker.hentaihay.blog:80
hacker.hentaihay.blog:22
hacker.hentaihay.blog:8080
hacker.hentaihay.blog:8880
hacker.hentaihay.blog:2052
hacker.hentaihay.blog:2082
hacker.hentaihay.blog:2086
hacker.hentaihay.blog:2095
hacker.hentaihay.blog:443
hacker.hentaihay.blog:2053
hacker.hentaihay.blog:2083
hacker.hentaihay.blog:2087
hacker.hentaihay.blog:2096
hacker.hentaihay.blog:8443

Mutex

ranDj4FvlO4x

Attributes

delay
0
install
true
install_file
i3s7n.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/0x0005000000016b45-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5804	i3s7n.exe
5784	i3s7n.exe

Outbound SSH connection to public host 2 TTPs 1 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	11	104.21.73.75:22

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
4996	cmd.exe
2640	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	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	i3s7n.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i3s7n.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5820	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
3632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
Token: SeDebugPrivilege	5804	i3s7n.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 4996	3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe	89
PID 3036 wrote to memory of 2640	3036	7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe	91
PID 4996 wrote to memory of 3632	4996	cmd.exe	93
PID 2640 wrote to memory of 5820	2640	cmd.exe	94
PID 2640 wrote to memory of 5784	2640	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe
"C:\Users\Admin\AppData\Local\Temp\7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "i3s7n" /tr '"C:\Users\Admin\AppData\Roaming\i3s7n.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4996
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "i3s7n" /tr '"C:\Users\Admin\AppData\Roaming\i3s7n.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3632
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4617.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5820
- - C:\Users\Admin\AppData\Roaming\i3s7n.exe
    "C:\Users\Admin\AppData\Roaming\i3s7n.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5784

C:\Users\Admin\AppData\Roaming\i3s7n.exe
"C:\Users\Admin\AppData\Roaming\i3s7n.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5804

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

tmp4617.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4617.tmp.bat
Size 149B
SHA256 38bb9b1c234085049b4fa587d148920ef03df8aa1f0d5f1069e4bff76deef093
MD5 9da216a8c4f9f5db95a1fc0d9a2a2bfc
SHA1 24e93c105387b9e98f724a8886602e7e74d0cbbf
SHA512 d037fe679afb34bb9dd11adff401046d9ac6b717c9c3bd6c1606b403e4b7a53057b9759f01c8168dbf83331a48b0fa740e6dbfca6cf9ff81c22cc46256c95858
TLSH
T180C02B4251C6EA0E2C06241326FED49CA1736C993F40FB00C308805D16C0448F0EA342
MD5 SHA1 SHA512 TLSH

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i3s7n.exe

Path C:\Users\Admin\AppData\Roaming\i3s7n.exe
Size 45KB
SHA256 7557a5f6cad2998450cf760a384a50cc4fe890aa6a5066d4ae6ce8b8a4c10a28
MD5 7679b85e0b566f08fdf2f008c52ff224
SHA1 bfb3f67ff1f28ee30fba48ebb02625a7421918e5
SHA512 989cbc9d51bc09594d24c22d48d99b0aa3c83b2191220d69be198a8a259034bab750a2d0e0885074450210165a4934ee224402afa06ce63656ead9d0de6b5784
SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFw3HO4SNMOPI0azjb0gb3iFiDJnpQyrjBDZEx:MuLAZTnbg2R+JM30a3bbbSinDBdEx
TLSH
T1F0233B003BE8812BF2BE5F789DF261458A7AF2633603D94A1CC452D75713FC69A426F9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3036-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

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memory/3036-1-0x0000000000B70000-0x0000000000B82000-memory.dmp

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memory/3036-2-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/3036-3-0x00000000056F0000-0x000000000578C000-memory.dmp

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memory/3036-8-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/5804-12-0x0000000074880000-0x000000007503C000-memory.dmp

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memory/5804-14-0x0000000074880000-0x000000007503C000-memory.dmp

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