Overview
overview
7Static
static
3Dimethylca...in.zip
windows7-x64
7Dimethylca...in.zip
windows10-2004-x64
1Dimethylca...de.zip
windows7-x64
1Dimethylca...de.zip
windows10-2004-x64
1Dimethylcadmium.dev
windows7-x64
3Dimethylcadmium.dev
windows10-2004-x64
3Dimethylcadmium.exe
windows7-x64
6Dimethylcadmium.exe
windows10-2004-x64
6Dimethylcadmium.ico
windows7-x64
3Dimethylcadmium.ico
windows10-2004-x64
3Dimethylca...layout
windows7-x64
3Dimethylca...layout
windows10-2004-x64
3Dimethylca...vate.h
windows7-x64
3Dimethylca...vate.h
windows10-2004-x64
3Dimethylca...ate.rc
windows7-x64
3Dimethylca...ate.rc
windows10-2004-x64
3Dimethylca...te.res
windows7-x64
3Dimethylca...te.res
windows10-2004-x64
3Makefile.win
windows7-x64
3Makefile.win
windows10-2004-x64
3PayloadMBR/Create.bat
windows7-x64
1PayloadMBR/Create.bat
windows10-2004-x64
1PayloadMBR...ss.asm
windows7-x64
3PayloadMBR...ss.asm
windows10-2004-x64
3PayloadMBR...el.asm
windows7-x64
3PayloadMBR...el.asm
windows10-2004-x64
3PayloadMBR...om.bin
windows7-x64
3PayloadMBR...om.bin
windows10-2004-x64
3PayloadMBR...om.png
windows7-x64
3PayloadMBR...om.png
windows10-2004-x64
3PayloadMBR...DL.dll
windows7-x64
3PayloadMBR...DL.dll
windows10-2004-x64
3Analysis
- max time kernel
117s - max time network
121s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
07/11/2024, 01:33
Static task
static1
Behavioral task
behavioral1
Sample
Dimethylcadmium.exe-main.zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Dimethylcadmium.exe-main.zip
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Dimethylcadmium.exe-main/Dimethylcadmium source code.zip
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Dimethylcadmium.exe-main/Dimethylcadmium source code.zip
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Dimethylcadmium.dev
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Dimethylcadmium.dev
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Dimethylcadmium.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
Dimethylcadmium.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Dimethylcadmium.ico
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Dimethylcadmium.ico
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Dimethylcadmium.layout
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Dimethylcadmium.layout
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Dimethylcadmium_private.h
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
Dimethylcadmium_private.h
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Dimethylcadmium_private.rc
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Dimethylcadmium_private.rc
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Dimethylcadmium_private.res
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
Dimethylcadmium_private.res
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Makefile.win
Resource
win7-20240729-en
Behavioral task
behavioral20
Sample
Makefile.win
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
PayloadMBR/Create.bat
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
PayloadMBR/Create.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
PayloadMBR/Data/decompress.asm
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
PayloadMBR/Data/decompress.asm
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
PayloadMBR/Data/kernel.asm
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
PayloadMBR/Data/kernel.asm
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
PayloadMBR/Image/Custom.bin
Resource
win7-20241023-en
Behavioral task
behavioral28
Sample
PayloadMBR/Image/Custom.bin
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
PayloadMBR/Image/Custom.png
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
PayloadMBR/Image/Custom.png
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
PayloadMBR/Programs/QEMU/SDL.dll
Resource
win7-20241010-en
Behavioral task
behavioral32
Sample
PayloadMBR/Programs/QEMU/SDL.dll
Resource
win10v2004-20241007-en
General
- Target Dimethylcadmium.layout
- Size 99B
- Sample241107-byx7pasgnm
- SHA256 b526bd09eb9d87769188807ee49daff75961098aa20f82b799b823f966f3fd91
- MD5 223273dde8fd7ab7a98d685a4e06df53
- SHA1 7b8fc4f6d3c901dc3f3023a9a085727cf8186dae
- SHA512 18b693e7e4ea38af10f95c050237e7e9e2a2552c556e12af8c1010fb7ee8f9bb090831c18e84a3ff19073544f329616165889692e3c6451a9d8a0b1493c9b35a
- MD5 SHA1 SHA512
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 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2976 AcroRd32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2976 AcroRd32.exe 2976 AcroRd32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2996 2136 cmd.exe 31 PID 2136 wrote to memory of 2996 2136 cmd.exe 31 PID 2136 wrote to memory of 2996 2136 cmd.exe 31 PID 2996 wrote to memory of 2976 2996 rundll32.exe 32 PID 2996 wrote to memory of 2976 2996 rundll32.exe 32 PID 2996 wrote to memory of 2976 2996 rundll32.exe 32 PID 2996 wrote to memory of 2976 2996 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Dimethylcadmium.layout1⤵
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Dimethylcadmium.layout2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2996 -
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\Dimethylcadmium.layout"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2976
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
- Size 3KB
- SHA256 e9776c6bc331120e49c96103acf53b86a39cd74cd20fffb3c29fda98fdf62b66
- MD5 e380611655d8c7842bb33157d154fa36
- SHA1 d1e77325c860f0262f025ddc3ee4994132711389
- SHA512 190cd90295b37d2125fb304b8884ec51efab0655653571c193da9fe387d47b530cfd080fbbf005218c399ccbcd14b8612e099e5be84670bef2eaf83c17890cb5
- MD5 SHA1 SHA512