asyncrat | 3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 11:26

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General

Target
3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
Size 45KB
Sample260715-nj9ndset8x
SHA256 3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1
MD5 080cd00d0e23c4f8177f91ee82908082
SHA1 81e3ba3c930fa985ed6de6165576a5bf622a7d12
SHA512 a34eb6c9ed700c569b59c32f0698348151a8871e65080c1582d40bd8034e10a852de22121f7e9335b40eeb28f6ad44ba394d3ad9eca634c304ebf68d77b9c507
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlVl9fcBEahPItLjbwgX3icayu8rCrPmkgBDZMx:wuDWZTpMZSB2cLkEa+tfb3XScvC7m7dO
TLSH
T1A3233B003BE8822BF1BE4F789CF261454A7AF6633603D64E1CC451DB5613FC69A426FA
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

vuasexviet.com:80
vuasexviet.com:22
vuasexviet.com:8080
vuasexviet.com:8880
vuasexviet.com:2052
vuasexviet.com:2082
vuasexviet.com:2086
vuasexviet.com:2095
vuasexviet.com:443
vuasexviet.com:2053
vuasexviet.com:2083
vuasexviet.com:2087
vuasexviet.com:2096
vuasexviet.com:8443
www.vuasexviet.com:80
www.vuasexviet.com:22
www.vuasexviet.com:8080
www.vuasexviet.com:8880
www.vuasexviet.com:2052
www.vuasexviet.com:2082
www.vuasexviet.com:2086
www.vuasexviet.com:2095
www.vuasexviet.com:443
www.vuasexviet.com:2053
www.vuasexviet.com:2083
www.vuasexviet.com:2087
www.vuasexviet.com:2096
www.vuasexviet.com:8443
trisis.vuasexviet.com:80
trisis.vuasexviet.com:22
trisis.vuasexviet.com:8080
trisis.vuasexviet.com:8880
trisis.vuasexviet.com:2052
trisis.vuasexviet.com:2082
trisis.vuasexviet.com:2086
trisis.vuasexviet.com:2095
trisis.vuasexviet.com:443
trisis.vuasexviet.com:2053
trisis.vuasexviet.com:2083
trisis.vuasexviet.com:2087
trisis.vuasexviet.com:2096
trisis.vuasexviet.com:8443
mydoom.vuasexviet.com:80
mydoom.vuasexviet.com:22
mydoom.vuasexviet.com:8080
mydoom.vuasexviet.com:8880
mydoom.vuasexviet.com:2052
mydoom.vuasexviet.com:2082
mydoom.vuasexviet.com:2086
mydoom.vuasexviet.com:2095
mydoom.vuasexviet.com:443
mydoom.vuasexviet.com:2053
mydoom.vuasexviet.com:2083
mydoom.vuasexviet.com:2087
mydoom.vuasexviet.com:2096
mydoom.vuasexviet.com:8443

Mutex

azGqPERkJta8

Attributes

delay
0
install
true
install_file
zp5ud.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/0x000e00000001c563-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5868	zp5ud.exe
3912	zp5ud.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.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	zp5ud.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zp5ud.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3960	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
2092	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
Token: SeDebugPrivilege	5868	zp5ud.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 5456	4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe	86
PID 4260 wrote to memory of 2352	4260	3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe	88
PID 5456 wrote to memory of 2092	5456	cmd.exe	90
PID 2352 wrote to memory of 3960	2352	cmd.exe	91
PID 2352 wrote to memory of 3912	2352	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe
"C:\Users\Admin\AppData\Local\Temp\3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zp5ud" /tr '"C:\Users\Admin\AppData\Roaming\zp5ud.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5456
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "zp5ud" /tr '"C:\Users\Admin\AppData\Roaming\zp5ud.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB1B2.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3960
- - C:\Users\Admin\AppData\Roaming\zp5ud.exe
    "C:\Users\Admin\AppData\Roaming\zp5ud.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3912

C:\Users\Admin\AppData\Roaming\zp5ud.exe
"C:\Users\Admin\AppData\Roaming\zp5ud.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5868

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

tmpB1B2.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpB1B2.tmp.bat
Size 149B
SHA256 a09a2c1adcdfd1613dedfc34eee227e006dd3620db272a1c84361f022590c27e
MD5 7303f434eaeba51864dfa83fccafc099
SHA1 3558697946bf5303825124066a5aa14d292df7fe
SHA512 10f80beb2ce0a4f3c904640462b034e1ae369bf77b4833e530eabfe8ef71962c758f365705ec7a65c69702db28912cf29662cb4c5733907dd2269b009faf14bf
TLSH
T169C02B9392C5EA1F2809146307FAD88CD27B6C2D3F40FF00C344400D9280888F5D9389
MD5 SHA1 SHA512 TLSH

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zp5ud.exe

Path C:\Users\Admin\AppData\Roaming\zp5ud.exe
Size 45KB
SHA256 3efeade8d8490c0d9d6bae1a9f70fd507b299a6c63d09404459088037331f1b1
MD5 080cd00d0e23c4f8177f91ee82908082
SHA1 81e3ba3c930fa985ed6de6165576a5bf622a7d12
SHA512 a34eb6c9ed700c569b59c32f0698348151a8871e65080c1582d40bd8034e10a852de22121f7e9335b40eeb28f6ad44ba394d3ad9eca634c304ebf68d77b9c507
SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlVl9fcBEahPItLjbwgX3icayu8rCrPmkgBDZMx:wuDWZTpMZSB2cLkEa+tfb3XScvC7m7dO
TLSH
T1A3233B003BE8822BF1BE4F789CF261454A7AF6633603D64E1CC451DB5613FC69A426FA
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4260-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

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memory/4260-1-0x0000000000320000-0x0000000000332000-memory.dmp

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memory/4260-2-0x00000000751E0000-0x000000007599C000-memory.dmp

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memory/4260-3-0x0000000004E80000-0x0000000004F1C000-memory.dmp

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memory/4260-8-0x00000000751E0000-0x000000007599C000-memory.dmp

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memory/5868-12-0x0000000075010000-0x00000000757CC000-memory.dmp

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memory/5868-14-0x0000000075010000-0x00000000757CC000-memory.dmp

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