Overview
overview
7Static
static
7Blank-Grab...in.zip
windows7-x64
1Blank-Grab...in.zip
windows10-2004-x64
1Blank-Grab...ge.png
windows7-x64
3Blank-Grab...ge.png
windows10-2004-x64
3Blank-Grab...sh.yml
windows7-x64
3Blank-Grab...sh.yml
windows10-2004-x64
3Blank-Grab...lt.exe
windows7-x64
7Blank-Grab...lt.exe
windows10-2004-x64
7Blank-Grab...OBF.py
windows7-x64
3Blank-Grab...OBF.py
windows10-2004-x64
3Blank-Grab...s/cert
windows7-x64
1Blank-Grab...s/cert
windows10-2004-x64
1Blank-Grab...g.json
windows7-x64
3Blank-Grab...g.json
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...eg.key
windows7-x64
3Blank-Grab...eg.key
windows10-2004-x64
3Blank-Grab...ts.txt
windows7-x64
1Blank-Grab...ts.txt
windows10-2004-x64
1Blank-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
3Analysis
-
max time kernel
151s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
06/07/2023, 12:56
Behavioral task
behavioral1
Sample
Blank-Grabber-main.zip
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
Blank-Grabber-main.zip
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
Blank-Grabber-main/.github/workflows/image.png
Resource
win7-20230703-en
Behavioral task
behavioral4
Sample
Blank-Grabber-main/.github/workflows/image.png
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
Blank-Grabber-main/.github/workflows/update-hash.yml
Resource
win7-20230703-en
Behavioral task
behavioral6
Sample
Blank-Grabber-main/.github/workflows/update-hash.yml
Resource
win10v2004-20230703-en
Behavioral task
behavioral7
Sample
Blank-Grabber-main/Blank Grabber/Built.exe
Resource
win7-20230703-en
Behavioral task
behavioral8
Sample
Blank-Grabber-main/Blank Grabber/Built.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral9
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win7-20230703-en
Behavioral task
behavioral10
Sample
Blank-Grabber-main/Blank Grabber/Components/BlankOBF.py
Resource
win10v2004-20230703-en
Behavioral task
behavioral11
Sample
Blank-Grabber-main/Blank Grabber/Components/cert
Resource
win7-20230703-en
Behavioral task
behavioral12
Sample
Blank-Grabber-main/Blank Grabber/Components/cert
Resource
win10v2004-20230703-en
Behavioral task
behavioral13
Sample
Blank-Grabber-main/Blank Grabber/Components/config.json
Resource
win7-20230703-en
Behavioral task
behavioral14
Sample
Blank-Grabber-main/Blank Grabber/Components/config.json
Resource
win10v2004-20230703-en
Behavioral task
behavioral15
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win7-20230703-en
Behavioral task
behavioral16
Sample
Blank-Grabber-main/Blank Grabber/Components/postprocess.py
Resource
win10v2004-20230703-en
Behavioral task
behavioral17
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win7-20230703-en
Behavioral task
behavioral18
Sample
Blank-Grabber-main/Blank Grabber/Components/process.py
Resource
win10v2004-20230703-en
Behavioral task
behavioral19
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win7-20230703-en
Behavioral task
behavioral20
Sample
Blank-Grabber-main/Blank Grabber/Components/rar.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral21
Sample
Blank-Grabber-main/Blank Grabber/Components/rarreg.key
Resource
win7-20230703-en
Behavioral task
behavioral22
Sample
Blank-Grabber-main/Blank Grabber/Components/rarreg.key
Resource
win10v2004-20230703-en
Behavioral task
behavioral23
Sample
Blank-Grabber-main/Blank Grabber/Components/requirements.txt
Resource
win7-20230703-en
Behavioral task
behavioral24
Sample
Blank-Grabber-main/Blank Grabber/Components/requirements.txt
Resource
win10v2004-20230703-en
Behavioral task
behavioral25
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win7-20230703-en
Behavioral task
behavioral26
Sample
Blank-Grabber-main/Blank Grabber/Components/run.bat
Resource
win10v2004-20230703-en
Behavioral task
behavioral27
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral28
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-armhf-20221125-en
Behavioral task
behavioral29
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-mipsbe-20221111-en
Behavioral task
behavioral30
Sample
Blank-Grabber-main/Blank Grabber/Components/sigthief.py
Resource
debian9-mipsel-en-20211208
Behavioral task
behavioral31
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win7-20230703-en
Behavioral task
behavioral32
Sample
Blank-Grabber-main/Blank Grabber/Components/stub.py
Resource
win10v2004-20230703-en
General
-
Target
Blank-Grabber-main/Blank Grabber/Components/config.json
-
Size
900B
-
MD5
696b3bb3810f490f3948d04b2a1acfce
-
SHA1
37fb51b2d59eea4744707b853305fe6e5044dd07
-
SHA256
3ab2dc649b1c3118ea58301cfb1fdc304cd5f4e845931eced42783eadbcac30a
-
SHA512
f583bf09134fb32d366340883b54c54470e78cfa1b3c03cf4b9d35571855e16dfab449cfef6af1a3a164aa6d7647416a35cad18afa40b405612903abdf1d0d62
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-1-5-21-2859459355-424593036-1984306042-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\.json rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2888 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2888 AcroRd32.exe 2888 AcroRd32.exe 2888 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2348 wrote to memory of 2056 2348 cmd.exe 29 PID 2348 wrote to memory of 2056 2348 cmd.exe 29 PID 2348 wrote to memory of 2056 2348 cmd.exe 29 PID 2056 wrote to memory of 2888 2056 rundll32.exe 30 PID 2056 wrote to memory of 2888 2056 rundll32.exe 30 PID 2056 wrote to memory of 2888 2056 rundll32.exe 30 PID 2056 wrote to memory of 2888 2056 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\Components\config.json"1⤵
- Suspicious use of WriteProcessMemory
PID:2348 -
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\config.json2⤵
- 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\config.json"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2888
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
3KB
MD5aea5bd6a317fd9e5dd0771bf12bbc4a6
SHA156aecad88f90f2d4a5a6b470ca114258375bd138
SHA25610718c367b8f81b1b9f0e01e908e854ef04179a83c70b978e76ca70fa1cbcfd3
SHA512254706cc94f7074d8e0603483df608d99f1dfef1ce0d58f53e20b614461525627f9e1e86ff6025b4965acd5b7368c1b79d55bb21152a6ac8c0a5c551d8097ce1