asyncrat | 5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8

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
05/09/2026, 07:10

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General

Target
5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
Size 45KB
Sample260905-hzev3aygpc
SHA256 5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8
MD5 95cee104adee09112fddb8710c52323c
SHA1 c5f90fed2879b4563e74971587c9f2e0433f5fbb
SHA512 37da763a1b8566ab2e4cc20a242f7a9b954fd6236e2c4dd8f31972039333cb9852469ee1055feefd2dc488aef9d1c7a02fc3cd43faead8e698d32d49871d2f1e
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9y9YCnqvhGPITzjbwgX3i3V0qvl9lLK9RPBDZTx:QuflpT8Hv2/aaivT3b3XSWKlfLK9R5dN
TLSH
T162233C0037E8C12BF2BE4F7899F26145467AF6633A03D54A1CC411DB5613FC69A526FE
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

sexvn99.com:80
sexvn99.com:22
sexvn99.com:8080
sexvn99.com:8880
sexvn99.com:2052
sexvn99.com:2082
sexvn99.com:2086
sexvn99.com:2095
sexvn99.com:443
sexvn99.com:2053
sexvn99.com:2083
sexvn99.com:2087
sexvn99.com:2096
sexvn99.com:8443
www.sexvn99.com:80
www.sexvn99.com:22
www.sexvn99.com:8080
www.sexvn99.com:8880
www.sexvn99.com:2052
www.sexvn99.com:2082
www.sexvn99.com:2086
www.sexvn99.com:2095
www.sexvn99.com:443
www.sexvn99.com:2053
www.sexvn99.com:2083
www.sexvn99.com:2087
www.sexvn99.com:2096
www.sexvn99.com:8443
zbot.sexvn99.com:80
zbot.sexvn99.com:22
zbot.sexvn99.com:8080
zbot.sexvn99.com:8880
zbot.sexvn99.com:2052
zbot.sexvn99.com:2082
zbot.sexvn99.com:2086
zbot.sexvn99.com:2095
zbot.sexvn99.com:443
zbot.sexvn99.com:2053
zbot.sexvn99.com:2083
zbot.sexvn99.com:2087
zbot.sexvn99.com:2096
zbot.sexvn99.com:8443
emotet.sexvn99.com:80
emotet.sexvn99.com:22
emotet.sexvn99.com:8080
emotet.sexvn99.com:8880
emotet.sexvn99.com:2052
emotet.sexvn99.com:2082
emotet.sexvn99.com:2086
emotet.sexvn99.com:2095
emotet.sexvn99.com:443
emotet.sexvn99.com:2053
emotet.sexvn99.com:2083
emotet.sexvn99.com:2087
emotet.sexvn99.com:2096
emotet.sexvn99.com:8443

Mutex

6783wzmWHUwK

Attributes

delay
0
install
true
install_file
zr452te.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/0x0009000000016bc9-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4124	zr452te.exe
4416	zr452te.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	7	172.67.171.109:22
SSH destination	8	104.21.29.81:22

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
4560	cmd.exe
5420	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	zr452te.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zr452te.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
6008	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
420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
Token: SeDebugPrivilege	4124	zr452te.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6112 wrote to memory of 4560	6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe	89
PID 6112 wrote to memory of 5420	6112	5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe	91
PID 4560 wrote to memory of 420	4560	cmd.exe	93
PID 5420 wrote to memory of 6008	5420	cmd.exe	94
PID 5420 wrote to memory of 4416	5420	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe
"C:\Users\Admin\AppData\Local\Temp\5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zr452te" /tr '"C:\Users\Admin\AppData\Roaming\zr452te.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zr452te" /tr '"C:\Users\Admin\AppData\Roaming\zr452te.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:420
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBBB5.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5420
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:6008
- - C:\Users\Admin\AppData\Roaming\zr452te.exe
    "C:\Users\Admin\AppData\Roaming\zr452te.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4416

C:\Users\Admin\AppData\Roaming\zr452te.exe
"C:\Users\Admin\AppData\Roaming\zr452te.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4124

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5260

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

tmpBBB5.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpBBB5.tmp.bat
Size 151B
SHA256 44346dd6e09b8b9c36712fed1b6fd1641df05a353b2974ea6c9b12b866b53225
MD5 0ddbbacd4904f5fe40dd6121ccaefd41
SHA1 32659d731a83ebc6f9d4ab7bb4277c1a0e02a93d
SHA512 9e6ab234c03b4c4fdca4f97ddc5d35a4589ab214f7250b9bfd7b2e704dbc85742fa5b3a393cd34ae373a1e8336ccc6eb21d313d49a60c7a2ca9d4b044bea9803
TLSH
T188C08C4251C5AA0E2809245316BAE88DA1F2AC2D3F40AB109714400D1280488E199346
MD5 SHA1 SHA512 TLSH

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zr452te.exe

Path C:\Users\Admin\AppData\Roaming\zr452te.exe
Size 45KB
SHA256 5b4e6b622f58f8e04f8fefc0ac764abf15d1bfa94f44ea9253537b4d4c4b50a8
MD5 95cee104adee09112fddb8710c52323c
SHA1 c5f90fed2879b4563e74971587c9f2e0433f5fbb
SHA512 37da763a1b8566ab2e4cc20a242f7a9b954fd6236e2c4dd8f31972039333cb9852469ee1055feefd2dc488aef9d1c7a02fc3cd43faead8e698d32d49871d2f1e
SSDEEP 768:QuflpT8AkKuWUch7wmo2q9y9YCnqvhGPITzjbwgX3i3V0qvl9lLK9RPBDZTx:QuflpT8Hv2/aaivT3b3XSWKlfLK9R5dN
TLSH
T162233C0037E8C12BF2BE4F7899F26145467AF6633A03D54A1CC411DB5613FC69A526FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4124-12-0x0000000074260000-0x0000000074A1C000-memory.dmp

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memory/4124-14-0x0000000074260000-0x0000000074A1C000-memory.dmp

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memory/6112-0-0x0000000074282000-0x0000000074283000-memory.dmp

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memory/6112-1-0x0000000000600000-0x0000000000612000-memory.dmp

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memory/6112-2-0x0000000074270000-0x0000000074A2C000-memory.dmp

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memory/6112-3-0x0000000004FB0000-0x000000000504C000-memory.dmp

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memory/6112-9-0x0000000074270000-0x0000000074A2C000-memory.dmp

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