Analysis
- max time kernel
149s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/03/2024, 01:35
General
- Target affd97da1a79c0855c9bb10f70ef7351.dll
- Size 2.5MB
- Sample240301-bz1dfaaa89
- SHA256 c50ce499f7b31fc0d9bc968b86a797b6dcf9c925ac14ff077577781e5dd05218
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.
- Drops startup file 3 IoCs
- 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 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\affd97da1a79c0855c9bb10f70ef7351.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\DmNotificationBroker.exeC:\Windows\system32\DmNotificationBroker.exe1⤵
-
C:\Users\Admin\AppData\Local\HDP5MaZ0h\DmNotificationBroker.exeC:\Users\Admin\AppData\Local\HDP5MaZ0h\DmNotificationBroker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\BitLockerWizard.exeC:\Windows\system32\BitLockerWizard.exe1⤵
-
C:\Users\Admin\AppData\Local\D2EKKGCI\BitLockerWizard.exeC:\Users\Admin\AppData\Local\D2EKKGCI\BitLockerWizard.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\mstsc.exeC:\Windows\system32\mstsc.exe1⤵
-
C:\Users\Admin\AppData\Local\klAFmO\mstsc.exeC:\Users\Admin\AppData\Local\klAFmO\mstsc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
BitLockerWizard.exe
FVEWIZ.dll
DUI70.dll
DmNotificationBroker.exe
Secur32.dll
mstsc.exe
Txagdzatgusg.lnk
memory/1584-1-0x0000000140000000-0x0000000140278000-memory.dmp
memory/1584-3-0x0000021A760E0000-0x0000021A760E7000-memory.dmp
memory/1584-9-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-22-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-44-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-15-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-17-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-18-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-19-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-20-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-8-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-21-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-23-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-24-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-25-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-26-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-27-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-30-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-28-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-29-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-31-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-32-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-33-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-36-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-34-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-35-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-37-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-39-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-38-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-41-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-40-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-42-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-16-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-46-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-43-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-45-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-47-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-48-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-49-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-50-0x0000000000340000-0x0000000000347000-memory.dmp
memory/3540-57-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-58-0x00007FFFC2320000-0x00007FFFC2330000-memory.dmp
memory/3540-67-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-69-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-14-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-13-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-6-0x00007FFFC0BCA000-0x00007FFFC0BCB000-memory.dmp
memory/3540-5-0x0000000002200000-0x0000000002201000-memory.dmp
memory/3540-10-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-11-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3540-12-0x0000000140000000-0x0000000140278000-memory.dmp
memory/3564-97-0x0000000140000000-0x0000000140279000-memory.dmp
memory/3564-96-0x0000000140000000-0x0000000140279000-memory.dmp
memory/3564-98-0x000002593BA50000-0x000002593BA57000-memory.dmp
memory/3564-104-0x0000000140000000-0x0000000140279000-memory.dmp
memory/4112-116-0x0000000140000000-0x0000000140279000-memory.dmp
memory/4112-118-0x0000017700B70000-0x0000017700B77000-memory.dmp
memory/4112-123-0x0000000140000000-0x0000000140279000-memory.dmp
memory/4268-85-0x0000000140000000-0x00000001402BE000-memory.dmp
memory/4268-78-0x0000000140000000-0x00000001402BE000-memory.dmp
memory/4268-79-0x0000000140000000-0x00000001402BE000-memory.dmp
memory/4268-80-0x000002705B5B0000-0x000002705B5B7000-memory.dmp