Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
10/03/2024, 21:57
General
- Target dcb688fa074044586d8c7878c17a781d27718161567272c8ca982bc4d8373cd8.dll
- Size 752KB
- Sample240310-1t86tsce77
- SHA256 dcb688fa074044586d8c7878c17a781d27718161567272c8ca982bc4d8373cd8
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Dridex payload 11 IoCs
Detects Dridex x64 core DLL in memory.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dcb688fa074044586d8c7878c17a781d27718161567272c8ca982bc4d8373cd8.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\AtBroker.exeC:\Windows\system32\AtBroker.exe1⤵
-
C:\Users\Admin\AppData\Local\1Mizde9\AtBroker.exeC:\Users\Admin\AppData\Local\1Mizde9\AtBroker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵
-
C:\Users\Admin\AppData\Local\g3PTSMAcd\BdeUISrv.exeC:\Users\Admin\AppData\Local\g3PTSMAcd\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\DisplaySwitch.exeC:\Windows\system32\DisplaySwitch.exe1⤵
-
C:\Users\Admin\AppData\Local\ndTY\DisplaySwitch.exeC:\Users\Admin\AppData\Local\ndTY\DisplaySwitch.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AtBroker.exe
UxTheme.dll
BdeUISrv.exe
WTSAPI32.dll
DisplaySwitch.exe
dwmapi.dll
Psfjn.lnk
memory/2444-0-0x00007FFCC7730000-0x00007FFCC77EC000-memory.dmp
memory/2444-1-0x000002AF22500000-0x000002AF22507000-memory.dmp
memory/2444-46-0x00007FFCC7730000-0x00007FFCC77EC000-memory.dmp
memory/3524-24-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-33-0x00007FFCD5A40000-0x00007FFCD5A50000-memory.dmp
memory/3524-14-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-15-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-16-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-17-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-18-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-19-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-20-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-21-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-22-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-25-0x00000000005E0000-0x00000000005E7000-memory.dmp
memory/3524-11-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-23-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-32-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-34-0x00007FFCD5A30000-0x00007FFCD5A40000-memory.dmp
memory/3524-43-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-13-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-12-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-9-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-10-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-3-0x00000000023A0000-0x00000000023A1000-memory.dmp
memory/3524-6-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-5-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-7-0x0000000140000000-0x00000001400BC000-memory.dmp
memory/3524-8-0x00007FFCD4D8A000-0x00007FFCD4D8B000-memory.dmp
memory/3880-58-0x00007FFCC6EE0000-0x00007FFCC6F9D000-memory.dmp
memory/3880-54-0x000001C15C060000-0x000001C15C067000-memory.dmp
memory/3880-53-0x00007FFCC6EE0000-0x00007FFCC6F9D000-memory.dmp
memory/4988-86-0x000001A6968A0000-0x000001A6968A7000-memory.dmp
memory/4988-85-0x00007FFCB7740000-0x00007FFCB77FD000-memory.dmp
memory/4988-90-0x00007FFCB7740000-0x00007FFCB77FD000-memory.dmp
memory/5064-69-0x00007FFCC6AB0000-0x00007FFCC6B6D000-memory.dmp
memory/5064-71-0x000001D70EE70000-0x000001D70EE77000-memory.dmp
memory/5064-74-0x00007FFCC6AB0000-0x00007FFCC6B6D000-memory.dmp