Analysis
- max time kernel
149s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
31/01/2024, 12:18
General
- Target 846540a9573e476e30b92db75daf0040.dll
- Size 1.7MB
- Sample240131-pgp2msbha5
- SHA256 5e53ece48ca9fe32af72a2718f10fe2dd25db88a393f7011a3805115f6b6bd46
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 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\846540a9573e476e30b92db75daf0040.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\FCo\tabcal.exeC:\Users\Admin\AppData\Local\FCo\tabcal.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\Taskmgr.exeC:\Windows\system32\Taskmgr.exe1⤵
-
C:\Users\Admin\AppData\Local\P7i2fm7d\Taskmgr.exeC:\Users\Admin\AppData\Local\P7i2fm7d\Taskmgr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\tabcal.exeC:\Windows\system32\tabcal.exe1⤵
-
C:\Windows\system32\SystemSettingsRemoveDevice.exeC:\Windows\system32\SystemSettingsRemoveDevice.exe1⤵
-
C:\Users\Admin\AppData\Local\djC8\SystemSettingsRemoveDevice.exeC:\Users\Admin\AppData\Local\djC8\SystemSettingsRemoveDevice.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
HID.DLL
HID.DLL
tabcal.exe
tabcal.exe
Taskmgr.exe
Taskmgr.exe
UxTheme.dll
UxTheme.dll
DUI70.dll
DUI70.dll
SystemSettingsRemoveDevice.exe
Iydemppuyghrhln.lnk
HID.DLL
DUI70.dll
UxTheme.dll
memory/1632-1-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/1632-7-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/1632-0-0x00000183BDAD0000-0x00000183BDAD7000-memory.dmp
memory/2888-81-0x00000130D18B0000-0x00000130D18B7000-memory.dmp
memory/2888-87-0x0000000140000000-0x00000001401B0000-memory.dmp
memory/3424-18-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-9-0x00007FFF0690A000-0x00007FFF0690B000-memory.dmp
memory/3424-24-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-26-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-29-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-33-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-32-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-34-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-37-0x0000000002D60000-0x0000000002D67000-memory.dmp
memory/3424-35-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-30-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-31-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-27-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-28-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-43-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-44-0x00007FFF07A20000-0x00007FFF07A30000-memory.dmp
memory/3424-53-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-55-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-23-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-4-0x0000000002EE0000-0x0000000002EE1000-memory.dmp
memory/3424-8-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-10-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-22-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-21-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-20-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-19-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-17-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-6-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-16-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-14-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-15-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-25-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-12-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-11-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3424-13-0x0000000140000000-0x00000001401AF000-memory.dmp
memory/3528-64-0x0000000140000000-0x00000001401B0000-memory.dmp
memory/3528-70-0x0000000140000000-0x00000001401B0000-memory.dmp
memory/3528-65-0x000001E46D0B0000-0x000001E46D0B7000-memory.dmp
memory/4104-106-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/4104-101-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/4104-100-0x0000024C820D0000-0x0000024C820D7000-memory.dmp