Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
29/01/2024, 01:01
General
- Target 7e7645b86e265b69aed08c4852fe6291.dll
- Size 1.1MB
- Sample240129-bdcegsgacp
- SHA256 e0980b4994c3d61ec8c3ab1db13ef837487bd2e209e97a4ad4708211d9d4d712
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 AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of UnmapMainImage 1 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\7e7645b86e265b69aed08c4852fe6291.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\DWWIN.EXEC:\Windows\system32\DWWIN.EXE1⤵
-
C:\Users\Admin\AppData\Local\GiWUxvIo\DWWIN.EXEC:\Users\Admin\AppData\Local\GiWUxvIo\DWWIN.EXE1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\RdpSaUacHelper.exeC:\Windows\system32\RdpSaUacHelper.exe1⤵
-
C:\Users\Admin\AppData\Local\bwhVLvW\RdpSaUacHelper.exeC:\Users\Admin\AppData\Local\bwhVLvW\RdpSaUacHelper.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\ProximityUxHost.exeC:\Windows\system32\ProximityUxHost.exe1⤵
-
C:\Users\Admin\AppData\Local\Vm8g\ProximityUxHost.exeC:\Users\Admin\AppData\Local\Vm8g\ProximityUxHost.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
DWWIN.EXE
DWWIN.EXE
VERSION.dll
VERSION.dll
ProximityUxHost.exe
dwmapi.dll
dwmapi.dll
RdpSaUacHelper.exe
WINSTA.dll
Wdush.lnk
memory/216-66-0x000001405F260000-0x000001405F267000-memory.dmp
memory/216-64-0x00007FFC35C80000-0x00007FFC35D9B000-memory.dmp
memory/216-69-0x00007FFC35C80000-0x00007FFC35D9B000-memory.dmp
memory/2224-0-0x00007FFC45730000-0x00007FFC45849000-memory.dmp
memory/2224-41-0x00007FFC45730000-0x00007FFC45849000-memory.dmp
memory/2224-2-0x0000029E241E0000-0x0000029E241E7000-memory.dmp
memory/2296-53-0x00007FFC35C80000-0x00007FFC35D9A000-memory.dmp
memory/2296-48-0x00007FFC35C80000-0x00007FFC35D9A000-memory.dmp
memory/2296-49-0x000002073B7D0000-0x000002073B7D7000-memory.dmp
memory/3520-16-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-14-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-28-0x00007FFC54340000-0x00007FFC54350000-memory.dmp
memory/3520-38-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-27-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-8-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-9-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-20-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-18-0x0000000004D10000-0x0000000004D17000-memory.dmp
memory/3520-19-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-13-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-29-0x00007FFC54330000-0x00007FFC54340000-memory.dmp
memory/3520-17-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-15-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-12-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-11-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-10-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-7-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-6-0x0000000140000000-0x0000000140119000-memory.dmp
memory/3520-3-0x00000000088E0000-0x00000000088E1000-memory.dmp
memory/3520-4-0x00007FFC5297A000-0x00007FFC5297B000-memory.dmp
memory/3548-82-0x0000023239810000-0x0000023239817000-memory.dmp
memory/3548-85-0x00007FFC35AD0000-0x00007FFC35BEA000-memory.dmp
memory/3548-80-0x00007FFC35AD0000-0x00007FFC35BEA000-memory.dmp