Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/07/2026, 03:51
Behavioral task
behavioral1
Sample
AsyncClient.exe
Resource
win10v2004-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
AsyncClient.exe
Resource
win11ltsc2024-20260706-en
16 signatures
150 seconds
General
- Target AsyncClient.exe
- Size 45KB
- Sample260708-eergksat2w
- SHA256 128c5fe618646deb4464ed81ff9498031900942834ee88b06aa2687c89e60334
- MD5 e3979ca7b9fb914f71bfb8ea1d96cb17
- SHA1 3b491984e8dee5b0ed7460a5aefc253ca48ae04d
- SHA512 dbf976b8efbf7ea2b2fc078d3925aaf6d4308512d5ccae3a4f76041c695329fb46f87e03890c2203687456806dc5917e3f12bb0623b250f4c880744f62efc9b1
- SSDEEP 768:huXbZTdx67aWUMWm7mo2qLYOjPGagAWOzjbFgX3iwVe+ZTjYHcDZaf+:huXbZTdMz25OTKTO3bCXSwfzdaf+
- TLSH T108231B003BE9822BF2BE4FB89CF26145467AF2A73603D54A1CC451D75713FC69A426EE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
happy-birthday-to-you.net/vi-vn/:6606
-
happy-birthday-to-you.net/vi-vn/:7707
-
happy-birthday-to-you.net/vi-vn/:8808
-
happy-birthday-to-you.net/vi-vn/:443
-
happy-birthday-to-you.net/vi-vn/:80
-
happy-birthday-to-you.net/vi-vn/:8844
-
happy-birthday-to-you.net/vi-vn/:22
-
happy-birthday-to-you.net/vi-vn/:53
Mutex
-
MA2poGKkAtqX
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
aes.plain
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AsyncClient.exe