Analysis
- max time kernel
150s - max time network
122s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
18/01/2024, 20:31
General
- Target 65f7abb2864b11dd6dfac0d6d2372b94.dll
- Size 1.5MB
- Sample240118-za5tmaggdl
- SHA256 9d795815c4cdfd1daf84b3fc5a759c16a2da6414b342f6f7da13e00eae0c0b22
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.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 7 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 18 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\65f7abb2864b11dd6dfac0d6d2372b94.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\fveprompt.exeC:\Windows\system32\fveprompt.exe1⤵
-
C:\Users\Admin\AppData\Local\28DL9WU\fveprompt.exeC:\Users\Admin\AppData\Local\28DL9WU\fveprompt.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\FXSCOVER.exeC:\Windows\system32\FXSCOVER.exe1⤵
-
C:\Users\Admin\AppData\Local\1kAKiRI8f\FXSCOVER.exeC:\Users\Admin\AppData\Local\1kAKiRI8f\FXSCOVER.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rdpshell.exeC:\Windows\system32\rdpshell.exe1⤵
-
C:\Users\Admin\AppData\Local\oE45uc33\rdpshell.exeC:\Users\Admin\AppData\Local\oE45uc33\rdpshell.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
FXSCOVER.exe
FXSCOVER.exe
MFC42u.dll
fveprompt.exe
slc.dll
WINSTA.dll
rdpshell.exe
rdpshell.exe
Ekhyqsv.lnk
WINSTA.dll
slc.dll
MFC42u.dll
FXSCOVER.exe
MFC42u.dll
fveprompt.exe
slc.dll
WINSTA.dll
rdpshell.exe
rdpshell.exe
memory/1072-124-0x0000000000190000-0x0000000000197000-memory.dmp
memory/1320-72-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-45-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-54-0x00000000774E1000-0x00000000774E2000-memory.dmp
memory/1320-39-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-38-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-34-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-33-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-32-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-30-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-64-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-29-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-27-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-24-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-25-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-23-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-4-0x00000000772D6000-0x00000000772D7000-memory.dmp
memory/1320-70-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-21-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-20-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-16-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-15-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-53-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-42-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-5-0x0000000002720000-0x0000000002721000-memory.dmp
memory/1320-9-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-43-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-46-0x0000000002700000-0x0000000002707000-memory.dmp
memory/1320-55-0x0000000077640000-0x0000000077642000-memory.dmp
memory/1320-12-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-13-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-11-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-10-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-7-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-44-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-14-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-17-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-152-0x00000000772D6000-0x00000000772D7000-memory.dmp
memory/1320-18-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-41-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-40-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-37-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-36-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-35-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-31-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-28-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-26-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-22-0x0000000140000000-0x0000000140186000-memory.dmp
memory/1320-19-0x0000000140000000-0x0000000140186000-memory.dmp
memory/2148-83-0x0000000140000000-0x0000000140187000-memory.dmp
memory/2148-82-0x00000000001A0000-0x00000000001A7000-memory.dmp
memory/2512-8-0x0000000140000000-0x0000000140186000-memory.dmp
memory/2512-1-0x0000000000120000-0x0000000000127000-memory.dmp
memory/2512-0-0x0000000140000000-0x0000000140186000-memory.dmp
memory/2984-100-0x00000000000F0000-0x00000000000F7000-memory.dmp