Overview
overview
8Static
static
8Blank-Grab...er.bat
windows7-x64
1Blank-Grab...er.bat
windows10-2004-x64
1Blank-Grab...OBF.py
windows7-x64
3Blank-Grab...OBF.py
windows10-2004-x64
3Blank-Grab...der.py
windows7-x64
3Blank-Grab...der.py
windows10-2004-x64
3Blank-Grab...ess.py
windows7-x64
3Blank-Grab...ess.py
windows10-2004-x64
3Blank-Grab...ess.py
windows7-x64
3Blank-Grab...ess.py
windows10-2004-x64
3Blank-Grab...ar.exe
windows7-x64
3Blank-Grab...ar.exe
windows10-2004-x64
3Blank-Grab...un.bat
windows7-x64
1Blank-Grab...un.bat
windows10-2004-x64
1Blank-Grab...tub.py
windows7-x64
3Blank-Grab...tub.py
windows10-2004-x64
3Blank-Grab...px.exe
windows7-x64
7Blank-Grab...px.exe
windows10-2004-x64
7Blank-Grab...tes.py
windows7-x64
3Blank-Grab...tes.py
windows10-2004-x64
3Blank-Grab...gui.py
windows7-x64
3Blank-Grab...gui.py
windows10-2004-x64
3Analysis
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max time kernel
845s -
max time network
855s -
platform
windows7_x64 -
resource
win7-20240221-de -
resource tags
arch:x64arch:x86image:win7-20240221-delocale:de-deos:windows7-x64systemwindows -
submitted
06-03-2024 14:48
Behavioral task
behavioral1
Sample
Blank-Grabber-main/Blank Grabber/Builder.bat
Resource
win7-20240215-de
Behavioral task
behavioral2
Sample
Blank-Grabber-main/Blank Grabber/Builder.bat
Resource
win10v2004-20240226-de
Behavioral task
behavioral3
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win7-20240221-de
Behavioral task
behavioral4
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral5
Sample
Blank-Grabber-main/Blank Grabber/Components/loader.py
Resource
win7-20240221-de
Behavioral task
behavioral6
Sample
Blank-Grabber-main/Blank Grabber/Components/loader.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral7
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win7-20240221-de
Behavioral task
behavioral8
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral9
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win7-20240221-de
Behavioral task
behavioral10
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral11
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win7-20240215-de
Behavioral task
behavioral12
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win10v2004-20240226-de
Behavioral task
behavioral13
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win7-20240221-de
Behavioral task
behavioral14
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win10v2004-20240226-de
Behavioral task
behavioral15
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win7-20240221-de
Behavioral task
behavioral16
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral17
Sample
Blank-Grabber-main/Blank Grabber/Components/upx.exe
Resource
win7-20240221-de
Behavioral task
behavioral18
Sample
Blank-Grabber-main/Blank Grabber/Components/upx.exe
Resource
win10v2004-20240226-de
Behavioral task
behavioral19
Sample
Blank-Grabber-main/Blank Grabber/Extras/unblock_sites.py
Resource
win7-20240221-de
Behavioral task
behavioral20
Sample
Blank-Grabber-main/Blank Grabber/Extras/unblock_sites.py
Resource
win10v2004-20240226-de
Behavioral task
behavioral21
Sample
Blank-Grabber-main/Blank Grabber/gui.py
Resource
win7-20240221-de
Behavioral task
behavioral22
Sample
Blank-Grabber-main/Blank Grabber/gui.py
Resource
win10v2004-20240226-de
General
-
Target
Blank-Grabber-main/Blank Grabber/gui.py
-
Size
38KB
-
MD5
d4516f5f779e1f422bb4fd3f204e1f2e
-
SHA1
35c7d2e3ce191b9d67a149f378e249ae419acb43
-
SHA256
2541224e02dea793417cb301ee3de7097641b376df779041ff105cdf79692f1b
-
SHA512
704fda769a2cc70388f6ca77bde23506862e9e9fe170c8f5fc79b6ca63156f6fa6a55e9dfa763e4b7fb24ed0b5947a7b568b51a5ab167acace8a20c2b9cc396a
-
SSDEEP
384:rRBBxtptPNbwhxFGbqWtYh6tr9f2L+vMPNPtLoPjW6CjLKabA117TDtOycaiC7a/:rRxRNbwhxFGbqWtBtoRvL7JwaMwY8
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\py_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.py rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2712 AcroRd32.exe 2712 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2492 wrote to memory of 2560 2492 cmd.exe 29 PID 2492 wrote to memory of 2560 2492 cmd.exe 29 PID 2492 wrote to memory of 2560 2492 cmd.exe 29 PID 2560 wrote to memory of 2712 2560 rundll32.exe 30 PID 2560 wrote to memory of 2712 2560 rundll32.exe 30 PID 2560 wrote to memory of 2712 2560 rundll32.exe 30 PID 2560 wrote to memory of 2712 2560 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\gui.py"1⤵
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\gui.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\gui.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2712
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD504ab17b57a1c2002b2d37776187c7690
SHA17150df172031cb74624d328e7f78c9b4bb440ca2
SHA256c857723be26218a8b06988fd7eb8648a8c6f8a60da131ddc7ee88c09ae147af2
SHA51233b36c92f349c9766f54ca3154ae7d3908f1055bb4a3108438acf59bb8e63f39cd636d99731ebd26b793b38c793de72462567807a84898c987760440f573bc5d