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...ief.py
ubuntu-18.04-amd64
1Blank-Grab...ief.py
debian-9-armhf
1Blank-Grab...ief.py
debian-9-mips
1Blank-Grab...ief.py
debian-9-mipsel
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
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
06/08/2024, 21:08
Behavioral task
behavioral1
Sample
Blank-Grabber-main/Blank Grabber/Builder.bat
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Blank-Grabber-main/Blank Grabber/Builder.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Blank-Grabber-main/Blank Grabber/Components/loader.py
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
Blank-Grabber-main/Blank Grabber/Components/loader.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
ubuntu1804-amd64-20240729-en
Behavioral task
behavioral16
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral17
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral18
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-mipsel-20240418-en
Behavioral task
behavioral19
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
Blank-Grabber-main/Blank Grabber/Components/upx.exe
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
Blank-Grabber-main/Blank Grabber/Components/upx.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
Blank-Grabber-main/Blank Grabber/Extras/unblock_sites.py
Resource
win7-20240729-en
Behavioral task
behavioral24
Sample
Blank-Grabber-main/Blank Grabber/Extras/unblock_sites.py
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
Blank-Grabber-main/Blank Grabber/gui.py
Resource
win7-20240708-en
Behavioral task
behavioral26
Sample
Blank-Grabber-main/Blank Grabber/gui.py
Resource
win10v2004-20240802-en
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).
-
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 AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py\ = "py_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2704 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2704 AcroRd32.exe 2704 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2740 3044 cmd.exe 31 PID 3044 wrote to memory of 2740 3044 cmd.exe 31 PID 3044 wrote to memory of 2740 3044 cmd.exe 31 PID 2740 wrote to memory of 2704 2740 rundll32.exe 32 PID 2740 wrote to memory of 2704 2740 rundll32.exe 32 PID 2740 wrote to memory of 2704 2740 rundll32.exe 32 PID 2740 wrote to memory of 2704 2740 rundll32.exe 32
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:3044 -
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:2740 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2704
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD50c284e472e5ff4ec9577e4d9dce73711
SHA14a32c434fa1ddc80ea5ae30def07cc19fcdce3e7
SHA256ccaec50d8f931e219980b232141b535088e19d8b5a63bba2c09edc3726f7cf4f
SHA512bd3225c305b7864df6c439696d4ae10d8a12dc0ed7f8c43b1efdf7809f63e74f2218bee276c2b758f6913e9d828c7645c69a82e45eebca583b858d6384cbb539