asyncrat | a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a

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
21/08/2026, 12:11

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General

Target
a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
Size 45KB
Sample260821-pc5arsdr5t
SHA256 a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a
MD5 04549fa7357e8f0d03b4e16018de7eb5
SHA1 3451c09ce2e45b1d609cfc536dcafc96b8c550f4
SHA512 9e8c25bd4b9b9c65340ea2e15714bdfd5a9e7cc81c9aaf7501364b6491ec255739f3a6823ea2733e0e8db4df28b4698808b513ff5de8eaa42b5b4ff216840771
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9aCSwTMSPI5rjbCgX3iJa4E3Z66Hic+sxBDZ8x:0u1YJTHcw2NgG5/blXSJa50c+Yd8x
TLSH
T13C231B003BE8812BF2BE5F78A9F26245867AF5633603D54E1CC4419B5713FC69A426FA
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
nimda.ads.zorvec.name:80
nimda.ads.zorvec.name:22
nimda.ads.zorvec.name:8080
nimda.ads.zorvec.name:8880
nimda.ads.zorvec.name:2052
nimda.ads.zorvec.name:2082
nimda.ads.zorvec.name:2086
nimda.ads.zorvec.name:2095
nimda.ads.zorvec.name:443
nimda.ads.zorvec.name:2053
nimda.ads.zorvec.name:2083
nimda.ads.zorvec.name:2087
nimda.ads.zorvec.name:2096
nimda.ads.zorvec.name:8443
hermeticwiper.ads.zorvec.name:80
hermeticwiper.ads.zorvec.name:22
hermeticwiper.ads.zorvec.name:8080
hermeticwiper.ads.zorvec.name:8880
hermeticwiper.ads.zorvec.name:2052
hermeticwiper.ads.zorvec.name:2082
hermeticwiper.ads.zorvec.name:2086
hermeticwiper.ads.zorvec.name:2095
hermeticwiper.ads.zorvec.name:443
hermeticwiper.ads.zorvec.name:2053
hermeticwiper.ads.zorvec.name:2083
hermeticwiper.ads.zorvec.name:2087
hermeticwiper.ads.zorvec.name:2096
hermeticwiper.ads.zorvec.name:8443

Mutex

6MXtX03GqVwh

Attributes

delay
0
install
true
install_file
mczls9.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/0x000b00000001b87f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4092	mczls9.exe
352	mczls9.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	8	104.21.28.44:22
SSH destination	9	172.67.144.58:22

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
4152	cmd.exe
1796	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	mczls9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mczls9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.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
4812	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
3644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
Token: SeDebugPrivilege	4092	mczls9.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4152	4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe	89
PID 4956 wrote to memory of 1796	4956	a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe	90
PID 4152 wrote to memory of 3644	4152	cmd.exe	93
PID 1796 wrote to memory of 4812	1796	cmd.exe	94
PID 1796 wrote to memory of 352	1796	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe
"C:\Users\Admin\AppData\Local\Temp\a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mczls9" /tr '"C:\Users\Admin\AppData\Roaming\mczls9.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "mczls9" /tr '"C:\Users\Admin\AppData\Roaming\mczls9.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3644
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4879.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4812
- - C:\Users\Admin\AppData\Roaming\mczls9.exe
    "C:\Users\Admin\AppData\Roaming\mczls9.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:352

C:\Users\Admin\AppData\Roaming\mczls9.exe
"C:\Users\Admin\AppData\Roaming\mczls9.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4092

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

tmp4879.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4879.tmp.bat
Size 150B
SHA256 8ae1c51ec3529a6a421451a4c56feb348264179d93e723c7443e789d9f3f75bc
MD5 f47e928ad6f4878f162e96304704e0b7
SHA1 0fc230b5fdf771cb232720d4dac900093be1924e
SHA512 14f49765eadd4cd6bf0b279aac6b2611bf82f7313652951b48cd5b364d18e94818fdb8d7dd14c543fde3176667cbdcd21ab331efd48d4f0aee39baa997b082fe
TLSH
T1FBC08C4252C6AA5F3905281302FA948C917268193E80AB008344404D1280949E09A2C1
MD5 SHA1 SHA512 TLSH

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mczls9.exe

Path C:\Users\Admin\AppData\Roaming\mczls9.exe
Size 45KB
SHA256 a68e41e3af79e846b4bdfa28b2af7cdf6ac6c4c73be37c60f3f2256da248c16a
MD5 04549fa7357e8f0d03b4e16018de7eb5
SHA1 3451c09ce2e45b1d609cfc536dcafc96b8c550f4
SHA512 9e8c25bd4b9b9c65340ea2e15714bdfd5a9e7cc81c9aaf7501364b6491ec255739f3a6823ea2733e0e8db4df28b4698808b513ff5de8eaa42b5b4ff216840771
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9aCSwTMSPI5rjbCgX3iJa4E3Z66Hic+sxBDZ8x:0u1YJTHcw2NgG5/blXSJa50c+Yd8x
TLSH
T13C231B003BE8812BF2BE5F78A9F26245867AF5633603D54E1CC4419B5713FC69A426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4092-12-0x0000000074810000-0x0000000074FCC000-memory.dmp

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memory/4092-14-0x0000000074810000-0x0000000074FCC000-memory.dmp

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memory/4956-0-0x00000000749F2000-0x00000000749F3000-memory.dmp

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memory/4956-1-0x0000000000A20000-0x0000000000A32000-memory.dmp

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memory/4956-2-0x00000000749E0000-0x000000007519C000-memory.dmp

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memory/4956-3-0x00000000053D0000-0x000000000546C000-memory.dmp

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memory/4956-8-0x00000000749E0000-0x000000007519C000-memory.dmp

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