Analysis
-
max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
27/02/2025, 02:17
Static task
static1
Behavioral task
behavioral1
Sample
917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe
Resource
win10v2004-20250217-en
General
-
Target
917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe
-
Size
70KB
-
MD5
7bba0d023b440371b7df50d21ab7be61
-
SHA1
47181a775fdb8dfe813fd34d63f85dc712353d7d
-
SHA256
917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc
-
SHA512
fe1993d08d32e5ffddeddf1bf2d8cb68bb01c78bbd7155547c3d96b56b82c7210376bef1fc7043a6def0eed98604362d795410d65cc29e7465c2b4380807af86
-
SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhz:E1oEFlt6vghzwYu7vih9GueIh9j2IoHu
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 2044 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2044 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.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 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2300 wrote to memory of 2044 2300 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe 84 PID 2300 wrote to memory of 2044 2300 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe 84 PID 2300 wrote to memory of 2044 2300 917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe"C:\Users\Admin\AppData\Local\Temp\917f931b9d3581d80fbe96c0febb8c66b6e2b8ba4dfcc472ff5a5f85e122f0cc.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
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:2044
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD50101df50ee03a7b1fef8c18e6e3ab0e6
SHA1e0d6431566193b95adb323fd655dd8ba6717d287
SHA256a92b21c0fb87ccb3bbe09df082f383705b90f16189b4448e502571b991201faa
SHA5128887d5efe0fa38a718825a3a16f6bf2d59ca09609319a09cfffa528d929d1d9d156abe64ad27e6500433e9bed048b42d65241f9e1f88e49f49f7395ca9e707d4