Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
25/02/2024, 22:11
General
- Target a4b9756ce5288211dd7854e1ff3bfd90.dll
- Size 2.1MB
- Sample240225-137pcsed7z
- SHA256 92b7d3d918f4154065e61ba6df77674da5216fc11721daad47dec616ad9346f0
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 AdjustPrivilegeToken 12 IoCs
- Suspicious use of FindShellTrayWindow 2 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\a4b9756ce5288211dd7854e1ff3bfd90.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\9kPTi9S\BitLockerWizard.exeC:\Users\Admin\AppData\Local\9kPTi9S\BitLockerWizard.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\BitLockerWizard.exeC:\Windows\system32\BitLockerWizard.exe1⤵
-
C:\Windows\system32\iexpress.exeC:\Windows\system32\iexpress.exe1⤵
-
C:\Windows\system32\rdpinit.exeC:\Windows\system32\rdpinit.exe1⤵
-
C:\Users\Admin\AppData\Local\VdROmUjb\rdpinit.exeC:\Users\Admin\AppData\Local\VdROmUjb\rdpinit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\PJv\iexpress.exeC:\Users\Admin\AppData\Local\PJv\iexpress.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
BitLockerWizard.exe
FVEWIZ.dll
FVEWIZ.dll
VERSION.dll
VERSION.dll
iexpress.exe
iexpress.exe
dwmapi.dll
dwmapi.dll
rdpinit.exe
Sawleyjjotda.lnk
dwmapi.dll
FVEWIZ.dll
VERSION.dll
memory/556-86-0x00000259D8EC0000-0x00000259D8EC7000-memory.dmp
memory/1092-7-0x0000000140000000-0x0000000140218000-memory.dmp
memory/1092-0-0x0000020E0CAF0000-0x0000020E0CAF7000-memory.dmp
memory/1092-1-0x0000000140000000-0x0000000140218000-memory.dmp
memory/1584-121-0x00000242ADEA0000-0x00000242ADEA7000-memory.dmp
memory/2392-103-0x0000024849D10000-0x0000024849D17000-memory.dmp
memory/3468-45-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-54-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-21-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-22-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-23-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-24-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-25-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-26-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-27-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-28-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-29-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-30-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-31-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-34-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-39-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-43-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-19-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-42-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-44-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-46-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-47-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-41-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-40-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-38-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-37-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-36-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-48-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-20-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-55-0x0000000000650000-0x0000000000657000-memory.dmp
memory/3468-56-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-53-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-52-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-51-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-50-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-49-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-63-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-35-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-66-0x00007FF9AAF00000-0x00007FF9AAF10000-memory.dmp
memory/3468-15-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-18-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-17-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-16-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-14-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-11-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-12-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-13-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-10-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-8-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-9-0x00007FF9A919A000-0x00007FF9A919B000-memory.dmp
memory/3468-6-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-4-0x0000000002630000-0x0000000002631000-memory.dmp
memory/3468-33-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-32-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-73-0x0000000140000000-0x0000000140218000-memory.dmp
memory/3468-75-0x0000000140000000-0x0000000140218000-memory.dmp