Analysis
-
max time kernel
120s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2024, 23:49
Static task
static1
Behavioral task
behavioral1
Sample
9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe
Resource
win10v2004-20240802-en
General
-
Target
9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe
-
Size
41KB
-
MD5
48d6ec6f1ac05d859aa53999bc9474e0
-
SHA1
989ea840f847dcb1f0100543c19446353d253f32
-
SHA256
9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1
-
SHA512
88580226fcfb0012ca8dd31e9033f3a1329cdc94bf3e6315524664f03a5a63e49febc51f02aaaa29acd77e1f2e54b76788eae561afabec6d4c9c989fac2cc2e4
-
SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Iy:e6q10k0EFjed6rqJ+6vghzwYu7vih9Ge
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 1728 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.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 microsofthelp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 1728 4800 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe 82 PID 4800 wrote to memory of 1728 4800 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe 82 PID 4800 wrote to memory of 1728 4800 9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe"C:\Users\Admin\AppData\Local\Temp\9de40a2ab458257b08dacedd4a5c083239058ff15012d3342f6fdb80f5ceabc1N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4800 -
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:1728
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
42KB
MD593e6b28e83ca889967315114201b558d
SHA1c6119147a248c7c762936d56534e47c1453a2a0b
SHA2562d1154a5764e72ec929f8fa69928035e477a4f98df44957656d4acbd42ede570
SHA51252ba4bd8928fe378d4a29d93d3ec82f18ef95d983c88361eaef21bc7e27cd377b179ad924ac194c135b5c6fc4324cad52719e134c192df71ea63f9a9df25931d