asyncrat | dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86

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, 15:00

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General

Target
dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
Size 45KB
Sample260821-sdggwascqe
SHA256 dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86
MD5 c70933c3317b65837f9131a29afb7f6d
SHA1 b440cd61cde7e108db78c8b2b4ffc97caab76f26
SHA512 21f968b139ef29a1bd8924fd228424d44301da84f141347386af9744282c770dd177bbb8d2b7b2f812435c96fd3d9d7daf3deb6c6cc903ec8a99cada1f1914ab
SSDEEP 768:5udApTNctooWUS7C+mo2qt5HO9YjoHPICYzjb8gX3iE2WZkFGX9OBDZ0x:5udApTNmU2Z6kgCY3bTXS/WZd9Ad0x
TLSH
T117230A003BE8813BF2BE5F78A9F26145467AF6633603D5491CC451DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default 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
locky.ads.zorvec.name:80
locky.ads.zorvec.name:22
locky.ads.zorvec.name:8080
locky.ads.zorvec.name:8880
locky.ads.zorvec.name:2052
locky.ads.zorvec.name:2082
locky.ads.zorvec.name:2086
locky.ads.zorvec.name:2095
locky.ads.zorvec.name:443
locky.ads.zorvec.name:2053
locky.ads.zorvec.name:2083
locky.ads.zorvec.name:2087
locky.ads.zorvec.name:2096
locky.ads.zorvec.name:8443

Mutex

0jP8vlXSdCJD

Attributes

delay
0
install
true
install_file
ok6yqz.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/0x000d00000001c5b9-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2512	ok6yqz.exe
3824	ok6yqz.exe

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
1588	cmd.exe
4828	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	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ok6yqz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ok6yqz.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4576	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
3140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
Token: SeDebugPrivilege	2512	ok6yqz.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1588	2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe	89
PID 2820 wrote to memory of 4828	2820	dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe	90
PID 1588 wrote to memory of 3140	1588	cmd.exe	93
PID 4828 wrote to memory of 4576	4828	cmd.exe	94
PID 4828 wrote to memory of 3824	4828	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe
"C:\Users\Admin\AppData\Local\Temp\dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ok6yqz" /tr '"C:\Users\Admin\AppData\Roaming\ok6yqz.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "ok6yqz" /tr '"C:\Users\Admin\AppData\Roaming\ok6yqz.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp380E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4576
- - C:\Users\Admin\AppData\Roaming\ok6yqz.exe
    "C:\Users\Admin\AppData\Roaming\ok6yqz.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3824

C:\Users\Admin\AppData\Roaming\ok6yqz.exe
"C:\Users\Admin\AppData\Roaming\ok6yqz.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2512

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp380E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp380E.tmp.bat
Size 150B
SHA256 3380cccac3f62176d6302045320c761eea47ad42ed1546cb0a7c69f393d3adef
MD5 8eca2504368b1c17f348d31f0ad38e89
SHA1 4f49b1c9fedcc095dcfa15a95a8b006157cae057
SHA512 21dfc58bf55742fa51c217280a053ea118da9c84a8c0e6402a55e3018c10795ce94cc01aa31d7a6c277bdb883a589fd02466554b05339fedbef4df5a8804e494
TLSH
T1C8C02B5251C9EA0F3C05141302FAD8ADD1726C593F40BF00C784405F3280C4EF0D9341
MD5 SHA1 SHA512 TLSH

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ok6yqz.exe

Path C:\Users\Admin\AppData\Roaming\ok6yqz.exe
Size 45KB
SHA256 dcee843a4dea5de7ae2934828185a31aa9cf611333ee8e181d7093f12f233e86
MD5 c70933c3317b65837f9131a29afb7f6d
SHA1 b440cd61cde7e108db78c8b2b4ffc97caab76f26
SHA512 21f968b139ef29a1bd8924fd228424d44301da84f141347386af9744282c770dd177bbb8d2b7b2f812435c96fd3d9d7daf3deb6c6cc903ec8a99cada1f1914ab
SSDEEP 768:5udApTNctooWUS7C+mo2qt5HO9YjoHPICYzjb8gX3iE2WZkFGX9OBDZ0x:5udApTNmU2Z6kgCY3bTXS/WZd9Ad0x
TLSH
T117230A003BE8813BF2BE5F78A9F26145467AF6633603D5491CC451DB5623FC68A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2512-12-0x0000000074E60000-0x000000007561C000-memory.dmp

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memory/2512-14-0x0000000074E60000-0x000000007561C000-memory.dmp

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memory/2820-0-0x0000000075012000-0x0000000075013000-memory.dmp

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memory/2820-1-0x0000000000920000-0x0000000000932000-memory.dmp

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memory/2820-2-0x0000000075000000-0x00000000757BC000-memory.dmp

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memory/2820-3-0x0000000005440000-0x00000000054DC000-memory.dmp

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memory/2820-8-0x0000000075000000-0x00000000757BC000-memory.dmp

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