Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/04/2026, 06:38
Behavioral task
behavioral1
Sample
AsyncClient.exe
Resource
win10v2004-20260130-en
3 signatures
150 seconds
General
- Target AsyncClient.exe
- Size 45KB
- Sample260427-hd3p1ac191
- SHA256 bb3c14c41ed30a4d0cd7b77913639934e0a06bf479d246ea75a4bdc74b6c6c3b
- MD5 2851b3b76ab9ed805a24265638e80809
- SHA1 97ac228e0e7e9bb13f4f4b725bc5faa7d8ad654d
- SHA512 f20a13b1694795f57fa7762658a27ee339fe18bf2b6fc73ab9863cc9c0213aa7528e357fd6f20ba3be629c58cd2e2d0bb14ea603f15b8eb3716bd937c59a0432
- SSDEEP 768:+uPXZTg4pYiWUU9jjmo2qrUOjPGagAWOzjbFgX3iMsltsP2WW0FukPJo5BGPccDw:+uPXZTgKa2lOTKTO3bCXSv3u2KFzP6Bh
- TLSH T135233B003BE8822BF2BE4FB898F26145457AF6A33603D64D1CC451D75613FC69A52AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
u888lm.com:6606
-
u888lm.com:7707
-
u888lm.com:8808
-
u888lm.com:443
-
u888lm.com:80
-
u888lm.com:22
-
u888lm.com:53
Mutex
-
FtTRmAL1FxCo
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 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3680 AsyncClient.exe