asyncrat | 9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f

Analysis

max time kernel
148s
max time network
147s
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, 15:07

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General

Target
9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
Size 45KB
Sample260804-shbgestamh
SHA256 9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f
MD5 b544b07a2127d2390d286442d7d3e2d1
SHA1 883dd988e3edc7cc032e0b05595eda701ab66d66
SHA512 1440f64fdcf23143e397764025905da409ff01e036b0246330d77cc10daa8e3c9d8b1dedbb18991615de598cf8b0ae4e5f0d3418e9b456d24525a00e2803945d
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwQ3HE4eVoOPIGjzjb5gQ3i6mD63S9Xa9IRBDZMx:ku40ZTXEb2sU1o3Gj3bWQS6Fi9K9IvdO
TLSH
T152232A003BE8812BF2BE4F789CF26145867AF6637603D54A1CC452DB4713BC69A426FE
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

fimsexvietnam.com:80
fimsexvietnam.com:22
fimsexvietnam.com:8080
fimsexvietnam.com:8880
fimsexvietnam.com:2052
fimsexvietnam.com:2082
fimsexvietnam.com:2086
fimsexvietnam.com:2095
fimsexvietnam.com:443
fimsexvietnam.com:2053
fimsexvietnam.com:2083
fimsexvietnam.com:2087
fimsexvietnam.com:2096
fimsexvietnam.com:8443
www.fimsexvietnam.com:80
www.fimsexvietnam.com:22
www.fimsexvietnam.com:8080
www.fimsexvietnam.com:8880
www.fimsexvietnam.com:2052
www.fimsexvietnam.com:2082
www.fimsexvietnam.com:2086
www.fimsexvietnam.com:2095
www.fimsexvietnam.com:443
www.fimsexvietnam.com:2053
www.fimsexvietnam.com:2083
www.fimsexvietnam.com:2087
www.fimsexvietnam.com:2096
www.fimsexvietnam.com:8443
cryptolocker.fimsexvietnam.com:80
cryptolocker.fimsexvietnam.com:22
cryptolocker.fimsexvietnam.com:8080
cryptolocker.fimsexvietnam.com:8880
cryptolocker.fimsexvietnam.com:2052
cryptolocker.fimsexvietnam.com:2082
cryptolocker.fimsexvietnam.com:2086
cryptolocker.fimsexvietnam.com:2095
cryptolocker.fimsexvietnam.com:443
cryptolocker.fimsexvietnam.com:2053
cryptolocker.fimsexvietnam.com:2083
cryptolocker.fimsexvietnam.com:2087
cryptolocker.fimsexvietnam.com:2096
cryptolocker.fimsexvietnam.com:8443
malware.fimsexvietnam.com:80
malware.fimsexvietnam.com:22
malware.fimsexvietnam.com:8080
malware.fimsexvietnam.com:8880
malware.fimsexvietnam.com:2052
malware.fimsexvietnam.com:2082
malware.fimsexvietnam.com:2086
malware.fimsexvietnam.com:2095
malware.fimsexvietnam.com:443
malware.fimsexvietnam.com:2053
malware.fimsexvietnam.com:2083
malware.fimsexvietnam.com:2087
malware.fimsexvietnam.com:2096
malware.fimsexvietnam.com:8443
formbook.fimsexvietnam.com:80
formbook.fimsexvietnam.com:22
formbook.fimsexvietnam.com:8080
formbook.fimsexvietnam.com:8880
formbook.fimsexvietnam.com:2052
formbook.fimsexvietnam.com:2082
formbook.fimsexvietnam.com:2086
formbook.fimsexvietnam.com:2095
formbook.fimsexvietnam.com:443
formbook.fimsexvietnam.com:2053
formbook.fimsexvietnam.com:2083
formbook.fimsexvietnam.com:2087
formbook.fimsexvietnam.com:2096
formbook.fimsexvietnam.com:8443

Mutex

izAkLgMeHQdD

Attributes

delay
0
install
true
install_file
gl4zl.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/0x000e00000001c49d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
732	gl4zl.exe
1124	gl4zl.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
3152	cmd.exe
2428	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gl4zl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gl4zl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5860	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
3460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2428	2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe	89
PID 2260 wrote to memory of 3152	2260	9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe	91
PID 2428 wrote to memory of 3460	2428	cmd.exe	93
PID 3152 wrote to memory of 5860	3152	cmd.exe	94
PID 3152 wrote to memory of 1124	3152	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe
"C:\Users\Admin\AppData\Local\Temp\9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "gl4zl" /tr '"C:\Users\Admin\AppData\Roaming\gl4zl.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "gl4zl" /tr '"C:\Users\Admin\AppData\Roaming\gl4zl.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3460
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp46E3.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5860
- - C:\Users\Admin\AppData\Roaming\gl4zl.exe
    "C:\Users\Admin\AppData\Roaming\gl4zl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1124

C:\Users\Admin\AppData\Roaming\gl4zl.exe
"C:\Users\Admin\AppData\Roaming\gl4zl.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:732

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

tmp46E3.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp46E3.tmp.bat
Size 149B
SHA256 6c2f644288e9ed85d78a11583592b15101c14640a0b2fb8091189e36b22a4235
MD5 4ac5afbd4775d268145c27a24d68004a
SHA1 e649d3a820d36d32ab282d4e66b1d4c342d6372e
SHA512 7904c933e4deeed0d1d821e7ab4d95ad88ce1130dfc28e907787df061afd52b4729812143bee4e55721ea4315bd3bec32620992ddcfd47fc544a1ab33c5a0979
TLSH
T1EAC02B4262C9EB0E2805245313FAD48C95B36C6E3F40BF00E344404D16814D8F4DA341
MD5 SHA1 SHA512 TLSH

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gl4zl.exe

Path C:\Users\Admin\AppData\Roaming\gl4zl.exe
Size 45KB
SHA256 9e239aa086dca5e3b0701a69f6cda28c07aa277a06466fb42258a402ed596b6f
MD5 b544b07a2127d2390d286442d7d3e2d1
SHA1 883dd988e3edc7cc032e0b05595eda701ab66d66
SHA512 1440f64fdcf23143e397764025905da409ff01e036b0246330d77cc10daa8e3c9d8b1dedbb18991615de598cf8b0ae4e5f0d3418e9b456d24525a00e2803945d
SSDEEP 768:ku40ZTX3uXTaWUgzW0mo2qwQ3HE4eVoOPIGjzjb5gQ3i6mD63S9Xa9IRBDZMx:ku40ZTXEb2sU1o3Gj3bWQS6Fi9K9IvdO
TLSH
T152232A003BE8812BF2BE4F789CF26145867AF6637603D54A1CC452DB4713BC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/732-12-0x0000000074A00000-0x00000000751BC000-memory.dmp

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memory/732-14-0x0000000074A00000-0x00000000751BC000-memory.dmp

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memory/2260-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

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memory/2260-1-0x0000000000A60000-0x0000000000A72000-memory.dmp

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memory/2260-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

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memory/2260-3-0x00000000055C0000-0x000000000565C000-memory.dmp

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memory/2260-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

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