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
-
max time kernel
844s -
max time network
850s -
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/Components/stub.py
-
Size
99KB
-
MD5
6dc9bbb14ef14c45d4d5d4128dbeb5ef
-
SHA1
22b444a2d21707449ee8f5cde4cd87bbd63e255f
-
SHA256
7602997372de338fbe45cb16f6bfe6d0c5bb57634ac7cf64e098a709c939d22c
-
SHA512
cff7bab1052443397a26aa28395d6cb139d2f270def1c0f811d2e92488e7a71daf460461cec8ea79a2f2fcaf3840b8827e9cf2c6f453fa715ff48e997eeabc3e
-
SSDEEP
3072:G+RNbizH0U+ma2KJpUrRiwDL0a+P4HmrHnRn:VRNC+UrFq4Kn
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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2596 AcroRd32.exe 2596 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2740 wrote to memory of 2056 2740 cmd.exe 29 PID 2740 wrote to memory of 2056 2740 cmd.exe 29 PID 2740 wrote to memory of 2056 2740 cmd.exe 29 PID 2056 wrote to memory of 2596 2056 rundll32.exe 30 PID 2056 wrote to memory of 2596 2056 rundll32.exe 30 PID 2056 wrote to memory of 2596 2056 rundll32.exe 30 PID 2056 wrote to memory of 2596 2056 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\Components\stub.py"1⤵
- Suspicious use of WriteProcessMemory
PID:2740 -
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\Components\stub.py2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2056 -
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\Components\stub.py"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2596
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD58027719bf80c51ab06f735a8ad460769
SHA139ab4b0714bb4c3a8737b9ac03d3e1fb58a5933b
SHA256573f08d1dc5cb5e709c7cf5534463e16eafb21eb185dd1b203e4321adf60b736
SHA512b6a529aa0d18574cddafe39b7519e2533abf842c6c5739ff18c69470a378d973af28b75242fcfadf5d5ce8e58bc4391b88f03083d3284c246f8e853e8576fa85