Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
01/12/2024, 01:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
Resource
win7-20240903-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
Resource
win10v2004-20241007-en
7 signatures
150 seconds
General
- Target 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
- Size 36KB
- Sample241201-bdpd2s1mht
- SHA256 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f
- MD5 ecb28c3e5cc4c9eb89c4a12558fce6d5
- SHA1 3bfdde291fd1fdb84bc4bbbfe14afbdb76b63dd3
- SHA512 282426245c1efd8cab35ce73e626c7dd9835bb14c3cb121ec552b730845cded83eea72a45d40022dfef91c04da29971ca0a248eff97657ddadabe5d1e3b00886
- SSDEEP 768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mwGx:GY9jw/dUT62rGdiUOWWrNmE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Upatre
Upatre is a generic malware downloader.
- Upatre family
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe - Executes dropped EXE 1 IoCs
pid Process 3540 szgfw.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language szgfw.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1748 wrote to memory of 3540 1748 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe 82 PID 1748 wrote to memory of 3540 1748 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe 82 PID 1748 wrote to memory of 3540 1748 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe"C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3540
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
- Size 36KB
- SHA256 be1e0a9dd7231b753de855197b902dae8a7fed19312b6497457891f47aa1888e
- MD5 a349eaed05840aa6c397d0962b88d4e6
- SHA1 3b599f24bd1605f318c4c573c3f569d7924b0b1f
- SHA512 7236b1b16ec9e2dce35b908ceb746dddea4ed0c82e8a414737ae6628490ef71e6168194efe941be9f321a7f44c0da757995593877c0c1fe2afb6c10f3e112d03
- SSDEEP 768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mwGLA:GY9jw/dUT62rGdiUOWWrNmJ
- MD5 SHA1 SHA512 SSDEEP