Overview
overview
10Static
static
3bootstrap.zip
windows7-x64
1bootstrap.zip
windows10-2004-x64
3bootstrap/...er.exe
windows7-x64
10bootstrap/...er.exe
windows10-2004-x64
10bootstrap/...64.dll
windows7-x64
1bootstrap/...64.dll
windows10-2004-x64
6bootstrap/...10.dll
windows7-x64
1bootstrap/...10.dll
windows10-2004-x64
8bootstrap/...11.dll
windows7-x64
1bootstrap/...11.dll
windows10-2004-x64
8bootstrap/...64.dll
windows7-x64
10bootstrap/...64.dll
windows10-2004-x64
10Analysis
-
max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
09-02-2025 21:33
Static task
static1
Behavioral task
behavioral1
Sample
bootstrap.zip
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
bootstrap.zip
Resource
win10v2004-20250207-en
Behavioral task
behavioral3
Sample
bootstrap/bootstrapper.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
bootstrap/bootstrapper.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral5
Sample
bootstrap/tier0_s64.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
bootstrap/tier0_s64.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral7
Sample
bootstrap/vcruntime210.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
bootstrap/vcruntime210.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral9
Sample
bootstrap/vcruntime211.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
bootstrap/vcruntime211.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral11
Sample
bootstrap/vstdlib_s64.dll
Resource
win7-20250207-en
Behavioral task
behavioral12
Sample
bootstrap/vstdlib_s64.dll
Resource
win10v2004-20250207-en
General
-
Target
bootstrap/tier0_s64.dll
-
Size
410KB
-
MD5
328655e0f2611479a90db044ab130373
-
SHA1
d678fd28927f05bde277bc3dc5fc51e2b4dce8b8
-
SHA256
586a9c2a27e906a54182166ec63a02bb6a28eb4e2e7e53a799db928b76fd036d
-
SHA512
8849dbfa9406c94b9750a6771ba391be95d8b41c53f19f446be92f4f22633975aa7d11b999e9f25b93bc682173ad6e4993486a2ec51c7475046db8daf9b1ebc2
-
SSDEEP
6144:3gOdWrN3L9iopicrVgNSpmbY+fNo809MmbtkrFCwXNmGzZ4gs7T3D3WG8dvB4h:3gOG3LEopVqYG2809DKriGzZ4g2rWwh
Malware Config
Signatures
-
Downloads MZ/PE file 1 IoCs
flow pid Process 22 1628 Process not Found -
System Location Discovery: System Language Discovery 1 TTPs 1 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 MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5116 MicrosoftEdgeUpdate.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bootstrap\tier0_s64.dll,#11⤵PID:4536
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4MzAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTE0Njg3NjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTMwMDYwMzE5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5116