asyncrat | a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529

Analysis

max time kernel
148s
max time network
144s
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, 22:15

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General

Target
a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
Size 45KB
Sample260804-16cndser5x
SHA256 a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529
MD5 194ecc54b1895d1bd9a56adfc2e7fb7b
SHA1 78ba1210dfef9b501b96a6324741878f89ecf40f
SHA512 64adab7f39f90d10e7ec03581256c3ba0e07f5912589958f6c1ddac39c3bcffaa3a42a557ac374ff1b54ee083cfa2558c40d4bca9801dd604fa19273030e4b69
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNi9YSkq/zNOPIFzjb+gd3iHy2ieU+rDp5y5uGmnBU:5uSy6pTpoo2PaVC3F3bBdSPNU6DHUmBU
TLSH
T1A0233B003BE9C12BF2BE5F789CF26145867AF5633603D6491CC4529B5723BC68A426FE
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

xemsexmy.org:80
xemsexmy.org:22
xemsexmy.org:8080
xemsexmy.org:8880
xemsexmy.org:2052
xemsexmy.org:2082
xemsexmy.org:2086
xemsexmy.org:2095
xemsexmy.org:443
xemsexmy.org:2053
xemsexmy.org:2083
xemsexmy.org:2087
xemsexmy.org:2096
xemsexmy.org:8443
www.xemsexmy.org:80
www.xemsexmy.org:22
www.xemsexmy.org:8080
www.xemsexmy.org:8880
www.xemsexmy.org:2052
www.xemsexmy.org:2082
www.xemsexmy.org:2086
www.xemsexmy.org:2095
www.xemsexmy.org:443
www.xemsexmy.org:2053
www.xemsexmy.org:2083
www.xemsexmy.org:2087
www.xemsexmy.org:2096
www.xemsexmy.org:8443
clop.xemsexmy.org:80
clop.xemsexmy.org:22
clop.xemsexmy.org:8080
clop.xemsexmy.org:8880
clop.xemsexmy.org:2052
clop.xemsexmy.org:2082
clop.xemsexmy.org:2086
clop.xemsexmy.org:2095
clop.xemsexmy.org:443
clop.xemsexmy.org:2053
clop.xemsexmy.org:2083
clop.xemsexmy.org:2087
clop.xemsexmy.org:2096
clop.xemsexmy.org:8443
hacker.xemsexmy.org:80
hacker.xemsexmy.org:22
hacker.xemsexmy.org:8080
hacker.xemsexmy.org:8880
hacker.xemsexmy.org:2052
hacker.xemsexmy.org:2082
hacker.xemsexmy.org:2086
hacker.xemsexmy.org:2095
hacker.xemsexmy.org:443
hacker.xemsexmy.org:2053
hacker.xemsexmy.org:2083
hacker.xemsexmy.org:2087
hacker.xemsexmy.org:2096
hacker.xemsexmy.org:8443

Mutex

ShQW0acfotcC

Attributes

delay
0
install
true
install_file
zk3zm5j.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/0x000c00000001c751-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
7140	zk3zm5j.exe
6188	zk3zm5j.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	12	104.21.32.163:22
SSH destination	11	172.67.152.224:22

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
2528	cmd.exe
6932	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	zk3zm5j.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zk3zm5j.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2420	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
1500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
Token: SeDebugPrivilege	7140	zk3zm5j.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 6932	2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe	90
PID 2532 wrote to memory of 2528	2532	a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe	92
PID 6932 wrote to memory of 1500	6932	cmd.exe	94
PID 2528 wrote to memory of 2420	2528	cmd.exe	95
PID 2528 wrote to memory of 6188	2528	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe
"C:\Users\Admin\AppData\Local\Temp\a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zk3zm5j" /tr '"C:\Users\Admin\AppData\Roaming\zk3zm5j.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6932
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zk3zm5j" /tr '"C:\Users\Admin\AppData\Roaming\zk3zm5j.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1500
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA9E2.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2420
- - C:\Users\Admin\AppData\Roaming\zk3zm5j.exe
    "C:\Users\Admin\AppData\Roaming\zk3zm5j.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:6188

C:\Users\Admin\AppData\Roaming\zk3zm5j.exe
"C:\Users\Admin\AppData\Roaming\zk3zm5j.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:7140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:6016

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

tmpA9E2.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpA9E2.tmp.bat
Size 151B
SHA256 edbc7a5a9eec46d7bf9a2c26c25b9c6a4acae1841c816dd2c992a38622cbc90a
MD5 19b94a469caa5c5d9e373d0360dc14e7
SHA1 41705b83074cafe60b9a3cd76aa84de1ecc0f1cc
SHA512 e8a881c1ce672c5c969362db7028b1377f8149683c3f2eb0713db6e4fcb3ff2f6208d3c725637bf6d75314cec75b93fb3ff8239c5d139a65f0140c33be32b6b0
TLSH
T105C02BA261C6EB1F2C05141306FADC8F92777D593F40BB10C744800E138085CF0DA341
MD5 SHA1 SHA512 TLSH

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zk3zm5j.exe

Path C:\Users\Admin\AppData\Roaming\zk3zm5j.exe
Size 45KB
SHA256 a6ca6ea188ba3e79936af24b24d3bd56e60c27757f7d06bbd6b6b6809cf07529
MD5 194ecc54b1895d1bd9a56adfc2e7fb7b
SHA1 78ba1210dfef9b501b96a6324741878f89ecf40f
SHA512 64adab7f39f90d10e7ec03581256c3ba0e07f5912589958f6c1ddac39c3bcffaa3a42a557ac374ff1b54ee083cfa2558c40d4bca9801dd604fa19273030e4b69
SSDEEP 768:5uSy6pTpwrSWWUE3/WImo2qNi9YSkq/zNOPIFzjb+gd3iHy2ieU+rDp5y5uGmnBU:5uSy6pTpoo2PaVC3F3bBdSPNU6DHUmBU
TLSH
T1A0233B003BE9C12BF2BE5F789CF26145867AF5633603D6491CC4529B5723BC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2532-0-0x0000000075032000-0x0000000075033000-memory.dmp

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memory/2532-1-0x0000000000AF0000-0x0000000000B02000-memory.dmp

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memory/2532-2-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/2532-3-0x00000000057D0000-0x000000000586C000-memory.dmp

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memory/2532-9-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/7140-12-0x0000000075020000-0x00000000757DC000-memory.dmp

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memory/7140-14-0x0000000075020000-0x00000000757DC000-memory.dmp

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