asyncrat | 8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2

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
21/07/2026, 13:32

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General

Target
8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
Size 45KB
Sample260721-qs46dacl5x
SHA256 8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2
MD5 f375e96ac3205a15cdcdc314ae0f4b38
SHA1 1dbd74d26b9eb15ba9b9a8a5d31fd26021ff7e90
SHA512 5525ae5351b4cde7833a8d7338634792001c7b58815b454a17f4b9bddf680c7937239f7731a4583635af2734f5b4c358294f98857358865df18e710093dc2b25
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9oozHyvCKPIi1jbegX3iNOdFhnnXUxZBDZsx:EufspTf2g20L5idbhXS0fhnnX6Hdsx
TLSH
T129231A0037E9C12BF2BE4F789DF26145867EF6632A03D54E1CC4119B5613BC69A42AFE
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

dagatructiep.sh:80
dagatructiep.sh:22
dagatructiep.sh:8080
dagatructiep.sh:8880
dagatructiep.sh:2052
dagatructiep.sh:2082
dagatructiep.sh:2086
dagatructiep.sh:2095
dagatructiep.sh:443
dagatructiep.sh:2053
dagatructiep.sh:2083
dagatructiep.sh:2087
dagatructiep.sh:2096
dagatructiep.sh:8443
www.dagatructiep.sh:80
www.dagatructiep.sh:22
www.dagatructiep.sh:8080
www.dagatructiep.sh:8880
www.dagatructiep.sh:2052
www.dagatructiep.sh:2082
www.dagatructiep.sh:2086
www.dagatructiep.sh:2095
www.dagatructiep.sh:443
www.dagatructiep.sh:2053
www.dagatructiep.sh:2083
www.dagatructiep.sh:2087
www.dagatructiep.sh:2096
www.dagatructiep.sh:8443
stuxnet.dagatructiep.sh:80
stuxnet.dagatructiep.sh:22
stuxnet.dagatructiep.sh:8080
stuxnet.dagatructiep.sh:8880
stuxnet.dagatructiep.sh:2052
stuxnet.dagatructiep.sh:2082
stuxnet.dagatructiep.sh:2086
stuxnet.dagatructiep.sh:2095
stuxnet.dagatructiep.sh:443
stuxnet.dagatructiep.sh:2053
stuxnet.dagatructiep.sh:2083
stuxnet.dagatructiep.sh:2087
stuxnet.dagatructiep.sh:2096
stuxnet.dagatructiep.sh:8443
malware.dagatructiep.sh:80
malware.dagatructiep.sh:22
malware.dagatructiep.sh:8080
malware.dagatructiep.sh:8880
malware.dagatructiep.sh:2052
malware.dagatructiep.sh:2082
malware.dagatructiep.sh:2086
malware.dagatructiep.sh:2095
malware.dagatructiep.sh:443
malware.dagatructiep.sh:2053
malware.dagatructiep.sh:2083
malware.dagatructiep.sh:2087
malware.dagatructiep.sh:2096
malware.dagatructiep.sh:8443
zbot.dagatructiep.sh:80
zbot.dagatructiep.sh:22
zbot.dagatructiep.sh:8080
zbot.dagatructiep.sh:8880
zbot.dagatructiep.sh:2052
zbot.dagatructiep.sh:2082
zbot.dagatructiep.sh:2086
zbot.dagatructiep.sh:2095
zbot.dagatructiep.sh:443
zbot.dagatructiep.sh:2053
zbot.dagatructiep.sh:2083
zbot.dagatructiep.sh:2087
zbot.dagatructiep.sh:2096
zbot.dagatructiep.sh:8443

Mutex

V5SLeFbQ0k0g

Attributes

delay
0
install
true
install_file
u2hcwra.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/0x000d00000001c61f-10.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
4120	u2hcwra.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
4876	cmd.exe
696	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u2hcwra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2116	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
3432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5256 wrote to memory of 4876	5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe	88
PID 5256 wrote to memory of 696	5256	8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe	90
PID 696 wrote to memory of 2116	696	cmd.exe	92
PID 4876 wrote to memory of 3432	4876	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe
"C:\Users\Admin\AppData\Local\Temp\8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "u2hcwra" /tr '"C:\Users\Admin\AppData\Roaming\u2hcwra.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "u2hcwra" /tr '"C:\Users\Admin\AppData\Roaming\u2hcwra.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3432
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAB79.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:696
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2116
- - C:\Users\Admin\AppData\Roaming\u2hcwra.exe
    "C:\Users\Admin\AppData\Roaming\u2hcwra.exe"
    3⤵
    PID:4636

C:\Users\Admin\AppData\Roaming\u2hcwra.exe
"C:\Users\Admin\AppData\Roaming\u2hcwra.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4120

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

tmpAB79.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpAB79.tmp.bat
Size 151B
SHA256 d5234443a65305017598e1b219e37dd04dd7378520ef5480d5a91a3c22372024
MD5 6e1c69d29a1a62eda1cfed1658792cbb
SHA1 e5547f31f72300432f109e4c0375f7a8bbf7952e
SHA512 e5413bf9037e4e149c0baae847174a8f9f1f5a7a3af298a978bfe8a8237629dbfaac35b237176d39f421d87f410a5e9f393cee3f57802dd26c58d413bcf8f747
TLSH
T162C02B8351C6EA0F3C85142303FAE48ED2B26C693FC1BB20C744411D1280C9CF0DE382
MD5 SHA1 SHA512 TLSH

Submit Download

u2hcwra.exe

Path C:\Users\Admin\AppData\Roaming\u2hcwra.exe
Size 45KB
SHA256 8c53ef44e2e4a6810c890d2d1bd58f3ed97fd78258c74b6c12673850ab1857b2
MD5 f375e96ac3205a15cdcdc314ae0f4b38
SHA1 1dbd74d26b9eb15ba9b9a8a5d31fd26021ff7e90
SHA512 5525ae5351b4cde7833a8d7338634792001c7b58815b454a17f4b9bddf680c7937239f7731a4583635af2734f5b4c358294f98857358865df18e710093dc2b25
SSDEEP 768:EufspTfzcR6uWUcb+wmo2q9oozHyvCKPIi1jbegX3iNOdFhnnXUxZBDZsx:EufspTf2g20L5idbhXS0fhnnX6Hdsx
TLSH
T129231A0037E9C12BF2BE4F789DF26145867EF6632A03D54E1CC4119B5613BC69A42AFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4120-12-0x0000000074360000-0x0000000074B1C000-memory.dmp

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memory/4120-14-0x0000000074360000-0x0000000074B1C000-memory.dmp

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memory/5256-0-0x0000000074372000-0x0000000074373000-memory.dmp

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memory/5256-1-0x0000000000240000-0x0000000000252000-memory.dmp

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memory/5256-2-0x0000000074360000-0x0000000074B1C000-memory.dmp

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memory/5256-3-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

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memory/5256-9-0x0000000074360000-0x0000000074B1C000-memory.dmp

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