Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
26/02/2025, 20:01
Static task
static1
Behavioral task
behavioral1
Sample
1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe
Resource
win10v2004-20250217-en
General
-
Target
1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe
-
Size
40KB
-
MD5
bac40a0d250c19f43f66aa6e9fd55cef
-
SHA1
1e99622a7291dcd2f013c0cb27602f197c0c28b0
-
SHA256
1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07
-
SHA512
29625fa43d9e20a07e65f0af0a5eb7dcb5986179527cc521ee52802af8f7a2db6045e49e7e52fde70dbea55e77597436ef1fa251de98bc3a18918e633130a25d
-
SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gk
Malware Config
Extracted
blihanstealer
pomdfghrt
-
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)
Signatures
-
BlihanStealer
Blihan is a stealer written in C++.
-
Blihanstealer family
-
Deletes itself 1 IoCs
pid Process 2144 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2144 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4072 wrote to memory of 2144 4072 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe 86 PID 4072 wrote to memory of 2144 4072 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe 86 PID 4072 wrote to memory of 2144 4072 1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe"C:\Users\Admin\AppData\Local\Temp\1198cd62c92232d85ed4eacb10180d83b2b36b713ad2f7cb45d264436995aa07.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2144
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD5cd1eefb2a6547427c5eaa029372491b6
SHA1b7e73144e8a8c7d8acc2cc35c501d2f0bb81f10f
SHA256f9949e8d80ce3e6a6254ec4ca192d1eb219d886bd10f4592e8836c2f9f2251aa
SHA512117da656f96ee06e3855c17c8dfc2c38f0748f4acda87863b6776e27c909005d19ef058c21c9189366f8bafd3fae6876a963c794fe5c785b67e186076142ade0