Overview
overview
3Static
static
1biosdrain-master.zip
windows7-x64
1biosdrain-master.zip
windows10-2004-x64
1biosdrain-...format
windows7-x64
3biosdrain-...format
windows10-2004-x64
3biosdrain-...se.yml
windows7-x64
3biosdrain-...se.yml
windows10-2004-x64
3biosdrain-...ld.yml
windows7-x64
3biosdrain-...ld.yml
windows10-2004-x64
3biosdrain-...ignore
windows7-x64
3biosdrain-...ignore
windows10-2004-x64
3biosdrain-...NSE.md
windows7-x64
3biosdrain-...NSE.md
windows10-2004-x64
3biosdrain-...kefile
windows7-x64
1biosdrain-...kefile
windows10-2004-x64
1biosdrain-...Init.c
windows7-x64
3biosdrain-...Init.c
windows10-2004-x64
3biosdrain-...Init.h
windows7-x64
3biosdrain-...Init.h
windows10-2004-x64
3biosdrain-...DME.md
windows7-x64
3biosdrain-...DME.md
windows10-2004-x64
3biosdrain-...rain.c
windows7-x64
3biosdrain-...rain.c
windows10-2004-x64
3biosdrain-...nfig.h
windows7-x64
3biosdrain-...nfig.h
windows10-2004-x64
3biosdrain-...dump.c
windows7-x64
3biosdrain-...dump.c
windows10-2004-x64
3biosdrain-...dump.h
windows7-x64
3biosdrain-...dump.h
windows10-2004-x64
3biosdrain-...ignore
windows7-x64
3biosdrain-...ignore
windows10-2004-x64
3biosdrain-...name.c
windows7-x64
3biosdrain-...name.c
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 13:15
Static task
static1
Behavioral task
behavioral1
Sample
biosdrain-master.zip
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
biosdrain-master.zip
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
biosdrain-master/.clang-format
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
biosdrain-master/.clang-format
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
biosdrain-master/.github/workflows/master-release.yml
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
biosdrain-master/.github/workflows/master-release.yml
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
biosdrain-master/.github/workflows/pr-build.yml
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
biosdrain-master/.github/workflows/pr-build.yml
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
biosdrain-master/.gitignore
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
biosdrain-master/.gitignore
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
biosdrain-master/LICENSE.md
Resource
win7-20240611-en
Behavioral task
behavioral12
Sample
biosdrain-master/LICENSE.md
Resource
win10v2004-20240611-en
Behavioral task
behavioral13
Sample
biosdrain-master/Makefile
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
biosdrain-master/Makefile
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
biosdrain-master/OSDInit.c
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
biosdrain-master/OSDInit.c
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
biosdrain-master/OSDInit.h
Resource
win7-20240611-en
Behavioral task
behavioral18
Sample
biosdrain-master/OSDInit.h
Resource
win10v2004-20240611-en
Behavioral task
behavioral19
Sample
biosdrain-master/README.md
Resource
win7-20240611-en
Behavioral task
behavioral20
Sample
biosdrain-master/README.md
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
biosdrain-master/biosdrain.c
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
biosdrain-master/biosdrain.c
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
biosdrain-master/config.h
Resource
win7-20240419-en
Behavioral task
behavioral24
Sample
biosdrain-master/config.h
Resource
win10v2004-20240611-en
Behavioral task
behavioral25
Sample
biosdrain-master/dump.c
Resource
win7-20240508-en
Behavioral task
behavioral26
Sample
biosdrain-master/dump.c
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
biosdrain-master/dump.h
Resource
win7-20240611-en
Behavioral task
behavioral28
Sample
biosdrain-master/dump.h
Resource
win10v2004-20240611-en
Behavioral task
behavioral29
Sample
biosdrain-master/irx/.gitignore
Resource
win7-20240611-en
Behavioral task
behavioral30
Sample
biosdrain-master/irx/.gitignore
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
biosdrain-master/modelname.c
Resource
win7-20240611-en
Behavioral task
behavioral32
Sample
biosdrain-master/modelname.c
Resource
win10v2004-20240226-en
General
-
Target
biosdrain-master/LICENSE.md
-
Size
1KB
-
MD5
b9d1ce406e0a5aa6afb4cca744b613d3
-
SHA1
eb6d31b62655d279558821f19010c8245620f694
-
SHA256
78cf28cc89ac13b6409a4b66687733118658cad4675dd0f1a98f39f83fc3203a
-
SHA512
252733c71afd4177b6e7d589365482302b04550d3f716fb7799d79ffebe55920c54283b43bef6addc2e13284a999fbe901c8058abf39a60ecc4292b08923271d
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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.md\ = "md_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.md rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2652 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2652 AcroRd32.exe 2652 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2456 wrote to memory of 2668 2456 cmd.exe 29 PID 2456 wrote to memory of 2668 2456 cmd.exe 29 PID 2456 wrote to memory of 2668 2456 cmd.exe 29 PID 2668 wrote to memory of 2652 2668 rundll32.exe 30 PID 2668 wrote to memory of 2652 2668 rundll32.exe 30 PID 2668 wrote to memory of 2652 2668 rundll32.exe 30 PID 2668 wrote to memory of 2652 2668 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\biosdrain-master\LICENSE.md1⤵
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\biosdrain-master\LICENSE.md2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2668 -
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\biosdrain-master\LICENSE.md"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2652
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD567a67865d841e8ec5ecee3f7b21fad8d
SHA1e5cfa99f287411468c42c9e128421a8004036167
SHA256384de2dba3df1571798402d1bf85f282e3711eb5e29f41334b875c26488b2e6f
SHA5127ba8005e545c8093ab75f7a6303ea1e94d3652230c879012bd3c27b87e35b588a5e6b86ab99bf090f89f247c72cd405c45c4c4f714df8785ce53abdd2772206f