Analysis
-
max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 21:18
Static task
static1
Behavioral task
behavioral1
Sample
38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe
Resource
win10v2004-20241007-en
General
-
Target
38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe
-
Size
96KB
-
MD5
b4e98acf64b653f5867eaf17d0e2a626
-
SHA1
9c6c5a7a8c14996a0d08972e9d24192d7b29ded4
-
SHA256
38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad
-
SHA512
078b7305dad12484a41832ea5e4ce89288561ad8384e0b82641096a7d73c22e280109be9208c2b0433a8f1fda342604722dc35afd867ef68b902860b5000df00
-
SSDEEP
3072:YAowyFgjTiUkEwt6OlvaeEpIaCtwUaSvcmGCCCCCHCChCHCCCdg1WCCCZhWtuQhp:PJjGUkfUf
Malware Config
Signatures
-
Deletes itself 1 IoCs
pid Process 1136 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1136 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.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 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4760 wrote to memory of 1136 4760 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe 83 PID 4760 wrote to memory of 1136 4760 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe 83 PID 4760 wrote to memory of 1136 4760 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe"C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4760 -
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:1136
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
96KB
MD5ce5e5602fb1090521de9231db10b2fca
SHA1cf9add26af19bafddef73fda508bb64d97e50f93
SHA256fb88c3ff96ae4aba992132e92eecc970ed6d91669c36be01cf581b4ae8bc9249
SHA5124a6671776426182a1ebfc484b40348651095a9662f26b9901821f28bc53e6f66c9a4f43c2331871f9f384dd9754069792ce01df5c7cd78244825bf73578b203e