asyncrat | ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 17:14

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General

Target
ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
Size 45KB
Sample260821-vr6p2athmf
SHA256 ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14
MD5 458121ff0d1fd3ac239b5e11fdd0bfe1
SHA1 ee0d58e05756b40e2b6527ea00c9bf69c3721ce2
SHA512 57af07713b6723409adf2428e0aa4fc3c74a4d5dcb92bb5bb01269ff669b04489711a845e7944b8c6efc3eb434188a2c38ec48fde6365d002fad37c6e9489c5b
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrRBz5U4x7PIgAjbdgX3ixO8encIHovVLVBDZkx:vuogpT7I622j6gobKXSY8ecIHYndkx
TLSH
T1AC231A003BE88137F2BE4BB85CF26145867AB6636603D54D6CC452DB5623BC6CA426FE
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

ads.zorvec.name:80
ads.zorvec.name:22
ads.zorvec.name:8080
ads.zorvec.name:8880
ads.zorvec.name:2052
ads.zorvec.name:2082
ads.zorvec.name:2086
ads.zorvec.name:2095
ads.zorvec.name:443
ads.zorvec.name:2053
ads.zorvec.name:2083
ads.zorvec.name:2087
ads.zorvec.name:2096
ads.zorvec.name:8443
www.ads.zorvec.name:80
www.ads.zorvec.name:22
www.ads.zorvec.name:8080
www.ads.zorvec.name:8880
www.ads.zorvec.name:2052
www.ads.zorvec.name:2082
www.ads.zorvec.name:2086
www.ads.zorvec.name:2095
www.ads.zorvec.name:443
www.ads.zorvec.name:2053
www.ads.zorvec.name:2083
www.ads.zorvec.name:2087
www.ads.zorvec.name:2096
www.ads.zorvec.name:8443
triton.ads.zorvec.name:80
triton.ads.zorvec.name:22
triton.ads.zorvec.name:8080
triton.ads.zorvec.name:8880
triton.ads.zorvec.name:2052
triton.ads.zorvec.name:2082
triton.ads.zorvec.name:2086
triton.ads.zorvec.name:2095
triton.ads.zorvec.name:443
triton.ads.zorvec.name:2053
triton.ads.zorvec.name:2083
triton.ads.zorvec.name:2087
triton.ads.zorvec.name:2096
triton.ads.zorvec.name:8443
melissa.ads.zorvec.name:80
melissa.ads.zorvec.name:22
melissa.ads.zorvec.name:8080
melissa.ads.zorvec.name:8880
melissa.ads.zorvec.name:2052
melissa.ads.zorvec.name:2082
melissa.ads.zorvec.name:2086
melissa.ads.zorvec.name:2095
melissa.ads.zorvec.name:443
melissa.ads.zorvec.name:2053
melissa.ads.zorvec.name:2083
melissa.ads.zorvec.name:2087
melissa.ads.zorvec.name:2096
melissa.ads.zorvec.name:8443
sasser.ads.zorvec.name:80
sasser.ads.zorvec.name:22
sasser.ads.zorvec.name:8080
sasser.ads.zorvec.name:8880
sasser.ads.zorvec.name:2052
sasser.ads.zorvec.name:2082
sasser.ads.zorvec.name:2086
sasser.ads.zorvec.name:2095
sasser.ads.zorvec.name:443
sasser.ads.zorvec.name:2053
sasser.ads.zorvec.name:2083
sasser.ads.zorvec.name:2087
sasser.ads.zorvec.name:2096
sasser.ads.zorvec.name:8443
agenttesla.ads.zorvec.name:80
agenttesla.ads.zorvec.name:22
agenttesla.ads.zorvec.name:8080
agenttesla.ads.zorvec.name:8880
agenttesla.ads.zorvec.name:2052
agenttesla.ads.zorvec.name:2082
agenttesla.ads.zorvec.name:2086
agenttesla.ads.zorvec.name:2095
agenttesla.ads.zorvec.name:443
agenttesla.ads.zorvec.name:2053
agenttesla.ads.zorvec.name:2083
agenttesla.ads.zorvec.name:2087
agenttesla.ads.zorvec.name:2096
agenttesla.ads.zorvec.name:8443

Mutex

uRh9UEK1GUJh

Attributes

delay
0
install
true
install_file
zy6coaid.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/0x000d00000001c548-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5200	zy6coaid.exe
1216	zy6coaid.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	14	172.67.144.58:22
SSH destination	13	104.21.28.44:22

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
5672	cmd.exe
3620	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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zy6coaid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zy6coaid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.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
4160	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
5720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
Token: SeDebugPrivilege	5200	zy6coaid.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 5672	3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe	89
PID 3332 wrote to memory of 3620	3332	ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe	90
PID 5672 wrote to memory of 5720	5672	cmd.exe	93
PID 3620 wrote to memory of 4160	3620	cmd.exe	94
PID 3620 wrote to memory of 1216	3620	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe
"C:\Users\Admin\AppData\Local\Temp\ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zy6coaid" /tr '"C:\Users\Admin\AppData\Roaming\zy6coaid.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5672
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zy6coaid" /tr '"C:\Users\Admin\AppData\Roaming\zy6coaid.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5720
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4160
- - C:\Users\Admin\AppData\Roaming\zy6coaid.exe
    "C:\Users\Admin\AppData\Roaming\zy6coaid.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1216

C:\Users\Admin\AppData\Roaming\zy6coaid.exe
"C:\Users\Admin\AppData\Roaming\zy6coaid.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5200

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

tmpEAC.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpEAC.tmp.bat
Size 151B
SHA256 5cc3880a81f947c384c3e41ef9fc8937b0159566e6524c53e14cfafbb95b1fa2
MD5 9d836ed4b23bfbb9bce23de35bef4bb7
SHA1 d1a8a100f6daf1c5859a7378f0f9ba45d9412fce
SHA512 9f155dbc703930863ee17f5f7eed6c9cf47a0be6ead636374a35d4fceec5bd2bc764ba1c4dd82effb200905ae76b835aa976ccb9d1e67fefc014344515a7d886
TLSH
T158C02B8351C6FA0E3C45142302FBD88D91727C693F84FB04C384C40D62C0458F5EA741
MD5 SHA1 SHA512 TLSH

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zy6coaid.exe

Path C:\Users\Admin\AppData\Roaming\zy6coaid.exe
Size 45KB
SHA256 ef4e47b7d6cb9e3c5f74256baa75e5a04f1aec5b7644937258be5961752ddc14
MD5 458121ff0d1fd3ac239b5e11fdd0bfe1
SHA1 ee0d58e05756b40e2b6527ea00c9bf69c3721ce2
SHA512 57af07713b6723409adf2428e0aa4fc3c74a4d5dcb92bb5bb01269ff669b04489711a845e7944b8c6efc3eb434188a2c38ec48fde6365d002fad37c6e9489c5b
SSDEEP 768:vuogpT78XvEsWUOsRzqmo2qrRBz5U4x7PIgAjbdgX3ixO8encIHovVLVBDZkx:vuogpT7I622j6gobKXSY8ecIHYndkx
TLSH
T1AC231A003BE88137F2BE4BB85CF26145867AB6636603D54D6CC452DB5623BC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3332-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

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memory/3332-1-0x00000000000D0000-0x00000000000E2000-memory.dmp

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memory/3332-2-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/3332-3-0x0000000004C20000-0x0000000004CBC000-memory.dmp

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memory/3332-8-0x0000000074A80000-0x000000007523C000-memory.dmp

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memory/5200-12-0x0000000074910000-0x00000000750CC000-memory.dmp

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memory/5200-14-0x0000000074910000-0x00000000750CC000-memory.dmp

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