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
118s -
max time network
123s -
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/README.md
-
Size
1KB
-
MD5
e686f95fd006b9b6a6581b50f5680f72
-
SHA1
582005f46a6c41335717d32c0b5031adfc3474ee
-
SHA256
67b3939a5c1a2ded5c65451d2fd5295b57d6349601e0d6f243c333173fffd896
-
SHA512
e67b18084dabc90f2238ecf9d0f48e3a0de8a34132710dbd9bab7244225f9752cacb4f33dd59ae592f5cd25b3a8d2716d80dcecb418c292e589293ba9648cc07
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 Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.md rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\md_auto_file\shell\Read 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_auto_file\shell\Read\command 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_auto_file\ 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 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2692 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2692 AcroRd32.exe 2692 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2664 2228 cmd.exe 29 PID 2228 wrote to memory of 2664 2228 cmd.exe 29 PID 2228 wrote to memory of 2664 2228 cmd.exe 29 PID 2664 wrote to memory of 2692 2664 rundll32.exe 30 PID 2664 wrote to memory of 2692 2664 rundll32.exe 30 PID 2664 wrote to memory of 2692 2664 rundll32.exe 30 PID 2664 wrote to memory of 2692 2664 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\biosdrain-master\README.md1⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
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\README.md2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2664 -
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\README.md"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2692
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD5145e3f1b638be569c72f9dc2ed3d94b4
SHA1c1f9f6398533280e8a14f5c4684374b65e175bbb
SHA2566d141f174a4dcb2e7d8c28a773126235f822fe48fea2479f4cf174e6b52ab04c
SHA5125a1362001652478f5c3689739d0f8c52feba78c2ff91331aa96c05826dcd27f489df5a73336d24f6556b6b9e474565c6d16e6d1e510c42bac3d662d17bb4c111