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
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-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/.gitignore
-
Size
75B
-
MD5
cc5f02215fabb46b320b06be8896203f
-
SHA1
a7662beab8a70c270776bb35d062d2c103befba9
-
SHA256
0a907e329f10bbcd99fad72731a2cbf29e97f5ba2333699015bfe5232fb4f50a
-
SHA512
f5a86e643bfddc91ba16bef48ed19fc5827cbde66afa363e5c16b824e4e81798493b8207ccba85945468d0878681948beb9dc9ebdb1c9ec65e970fa4d0ed5d8a
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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.gitignore rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\gitignore_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.gitignore\ = "gitignore_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2104 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2104 AcroRd32.exe 2104 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1704 wrote to memory of 2144 1704 cmd.exe 29 PID 1704 wrote to memory of 2144 1704 cmd.exe 29 PID 1704 wrote to memory of 2144 1704 cmd.exe 29 PID 2144 wrote to memory of 2104 2144 rundll32.exe 30 PID 2144 wrote to memory of 2104 2144 rundll32.exe 30 PID 2144 wrote to memory of 2104 2144 rundll32.exe 30 PID 2144 wrote to memory of 2104 2144 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\biosdrain-master\.gitignore1⤵
- Suspicious use of WriteProcessMemory
PID:1704 -
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\.gitignore2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2144 -
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\.gitignore"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2104
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD52b630fe43eb3e9e288b5b808ba311370
SHA1d65c4f044eb1deb03b666db6b1557bee3b1a970e
SHA256df5cc889cc210d4447a0f43355eb123c5e7f93a049eb9fd7ace68cb50a419acd
SHA512b1ef72c454b308275992214b679e3d2bd77aed2688e8b85ecc9da6d7e97f8400529f3fbcccaea2de0322c60d00a18d425720f6f103ae81336919632c80a50c55