asyncrat | fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948

Analysis

max time kernel
6s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 16:28

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General

Target
fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
Size 45KB
Sample260718-typjnaay51
SHA256 fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948
MD5 6fd874034b73bd59e65cade635d1d07c
SHA1 4e4b4643b40c7939c75320f053b19c1ce50a4b15
SHA512 fd58ddd2451296fa8001157faf8d6e5cb6bac828edf98ba7a97fa3d64e348926f8b4254eb341881d7d4f78f317f16545d159228c7493ce6db549b5211db900c5
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9aCSwTMSPI5rjbGgX3iNsZ8Fturx0tmWF9lBDZ8x:0u1YJTHcw2NgG5/bZXSe8FOUrd8x
TLSH
T1E6232B0037E8822BF2BE4F7898F26145867AF6673603D58E1CC451DB5613FC69A426FE
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.ph:80
dagatructiep.ph:22
dagatructiep.ph:8080
dagatructiep.ph:8880
dagatructiep.ph:2052
dagatructiep.ph:2082
dagatructiep.ph:2086
dagatructiep.ph:2095
dagatructiep.ph:443
dagatructiep.ph:2053
dagatructiep.ph:2083
dagatructiep.ph:2087
dagatructiep.ph:2096
dagatructiep.ph:8443
www.dagatructiep.ph:80
www.dagatructiep.ph:22
www.dagatructiep.ph:8080
www.dagatructiep.ph:8880
www.dagatructiep.ph:2052
www.dagatructiep.ph:2082
www.dagatructiep.ph:2086
www.dagatructiep.ph:2095
www.dagatructiep.ph:443
www.dagatructiep.ph:2053
www.dagatructiep.ph:2083
www.dagatructiep.ph:2087
www.dagatructiep.ph:2096
www.dagatructiep.ph:8443
blacklotus.dagatructiep.ph:80
blacklotus.dagatructiep.ph:22
blacklotus.dagatructiep.ph:8080
blacklotus.dagatructiep.ph:8880
blacklotus.dagatructiep.ph:2052
blacklotus.dagatructiep.ph:2082
blacklotus.dagatructiep.ph:2086
blacklotus.dagatructiep.ph:2095
blacklotus.dagatructiep.ph:443
blacklotus.dagatructiep.ph:2053
blacklotus.dagatructiep.ph:2083
blacklotus.dagatructiep.ph:2087
blacklotus.dagatructiep.ph:2096
blacklotus.dagatructiep.ph:8443
klez.dagatructiep.ph:80
klez.dagatructiep.ph:22
klez.dagatructiep.ph:8080
klez.dagatructiep.ph:8880
klez.dagatructiep.ph:2052
klez.dagatructiep.ph:2082
klez.dagatructiep.ph:2086
klez.dagatructiep.ph:2095
klez.dagatructiep.ph:443
klez.dagatructiep.ph:2053
klez.dagatructiep.ph:2083
klez.dagatructiep.ph:2087
klez.dagatructiep.ph:2096
klez.dagatructiep.ph:8443

Mutex

iZPiWVDVsuZr

Attributes

delay
0
install
true
install_file
vau709.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/0x000e00000001c4fd-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5764	vau709.exe
5312	vau709.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
4820	cmd.exe
5564	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	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	vau709.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vau709.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5800	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
1948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
Token: SeDebugPrivilege	5764	vau709.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 4820	5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe	89
PID 5732 wrote to memory of 5564	5732	fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe	90
PID 4820 wrote to memory of 1948	4820	cmd.exe	93
PID 5564 wrote to memory of 5800	5564	cmd.exe	94
PID 5564 wrote to memory of 5312	5564	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe
"C:\Users\Admin\AppData\Local\Temp\fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vau709" /tr '"C:\Users\Admin\AppData\Roaming\vau709.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "vau709" /tr '"C:\Users\Admin\AppData\Roaming\vau709.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8841.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5564
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5800
- - C:\Users\Admin\AppData\Roaming\vau709.exe
    "C:\Users\Admin\AppData\Roaming\vau709.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5312

C:\Users\Admin\AppData\Roaming\vau709.exe
"C:\Users\Admin\AppData\Roaming\vau709.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5764

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

tmp8841.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp8841.tmp.bat
Size 150B
SHA256 4f18dbb86c34751a06bb964ff6e526cc8ec5abc2f74e9519aa3ce47f27b189d0
MD5 00625a6ddddf7f6c5f8274f02a2e92b5
SHA1 096895e5e89e60f8b6ac4ecd7d62a191be755942
SHA512 b5e9ab9a80af0d69f7a6d13f4fcfd99ee354b9576671897ceb6ac3329680fe166d8c57c0978d86dcd4fe9f6d0bfa108f0470794b9443bdeab5cb338f03bd8395
TLSH
T119C08C4662C6AA4F280554B302BA948C9172AC593E80AB40C344400912C0459E0A9242
MD5 SHA1 SHA512 TLSH

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vau709.exe

Path C:\Users\Admin\AppData\Roaming\vau709.exe
Size 45KB
SHA256 fbec44b42b351de6a1668272c10fd441cdd0e163ab49db13873f5679bde90948
MD5 6fd874034b73bd59e65cade635d1d07c
SHA1 4e4b4643b40c7939c75320f053b19c1ce50a4b15
SHA512 fd58ddd2451296fa8001157faf8d6e5cb6bac828edf98ba7a97fa3d64e348926f8b4254eb341881d7d4f78f317f16545d159228c7493ce6db549b5211db900c5
SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9aCSwTMSPI5rjbGgX3iNsZ8Fturx0tmWF9lBDZ8x:0u1YJTHcw2NgG5/bZXSe8FOUrd8x
TLSH
T1E6232B0037E8822BF2BE4F7898F26145867AF6673603D58E1CC451DB5613FC69A426FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/5732-0-0x0000000075072000-0x0000000075073000-memory.dmp

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memory/5732-1-0x0000000000150000-0x0000000000162000-memory.dmp

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memory/5732-2-0x0000000075060000-0x000000007581C000-memory.dmp

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memory/5732-3-0x0000000004B50000-0x0000000004BEC000-memory.dmp

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memory/5732-9-0x0000000075060000-0x000000007581C000-memory.dmp

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memory/5764-12-0x0000000075060000-0x000000007581C000-memory.dmp

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memory/5764-14-0x0000000075060000-0x000000007581C000-memory.dmp

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