Analysis
-
max time kernel
120s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 11:20
Static task
static1
Behavioral task
behavioral1
Sample
794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe
Resource
win10v2004-20240802-en
General
-
Target
794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe
-
Size
40KB
-
MD5
60d3aeb6da7166f6074609934b96ced0
-
SHA1
e781d3fdf00dc4b9a369954ee496b0521e7cde90
-
SHA256
794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fb
-
SHA512
2b77d4f743b46987328f2da88a780b08c6918280959ed6832e73e052e960930cf1964fe52b43c8a36e387ef74e7a76bd88835a698dadbd8c85a92c4670c260ad
-
SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gc
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 3412 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 3412 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.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 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4884 wrote to memory of 3412 4884 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe 82 PID 4884 wrote to memory of 3412 4884 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe 82 PID 4884 wrote to memory of 3412 4884 794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe"C:\Users\Admin\AppData\Local\Temp\794ba10d67e60b3b524b605a6dd9a39be9923d533a763b2bf280d5c14c9b49fbN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
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:3412
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD59cb0445ff398cf14aac331f0374a7c90
SHA1e8f493ecc3a05433d8cb53432a4ccd666c0dfcab
SHA256c2d5e7bfabe572130d031f5539893bf3a4dfe55ca9a218e064eaa9911f81ba54
SHA512f92d6e4b0131e5f2675a04a2335a1ce105c6fa636298fc3deb81783882c2210ee213ecfb66b1e5a17a2a94395a4b55c285e16cbf65221ac553e8d8e7aa0a9afe