Analysis
- max time kernel
149s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
15/03/2024, 01:33
General
- Target ca23a046731ba03e414a2420aa15e094.dll
- Size 3.2MB
- Sample240315-byk75afd26
- SHA256 e02ab187d50300dd11a1f9823e53f8c485139be4588daf0bafbf81d37a032664
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\ca23a046731ba03e414a2420aa15e094.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\SystemPropertiesProtection.exeC:\Windows\system32\SystemPropertiesProtection.exe1⤵
-
C:\Users\Admin\AppData\Local\zkVrFmu\SystemPropertiesProtection.exeC:\Users\Admin\AppData\Local\zkVrFmu\SystemPropertiesProtection.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\RdpSa.exeC:\Windows\system32\RdpSa.exe1⤵
-
C:\Users\Admin\AppData\Local\FdRgXv9\RdpSa.exeC:\Users\Admin\AppData\Local\FdRgXv9\RdpSa.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\LockScreenContentServer.exeC:\Windows\system32\LockScreenContentServer.exe1⤵
-
C:\Users\Admin\AppData\Local\6BEY\LockScreenContentServer.exeC:\Users\Admin\AppData\Local\6BEY\LockScreenContentServer.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
DUI70.dll
DUI70.dll
LockScreenContentServer.exe
RdpSa.exe
WINSTA.dll
WINSTA.dll
SYSDM.CPL
SYSDM.CPL
SystemPropertiesProtection.exe
SYSDM.CPL
Psfjn.lnk
DUI70.dll
WINSTA.dll
memory/1180-7-0x0000000140000000-0x0000000140336000-memory.dmp
memory/1180-0-0x0000024F3FEB0000-0x0000024F3FEB7000-memory.dmp
memory/1180-1-0x0000000140000000-0x0000000140336000-memory.dmp
memory/2524-98-0x0000021086B30000-0x0000021086B37000-memory.dmp
memory/3528-39-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-46-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-19-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-20-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-21-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-14-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-22-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-23-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-24-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-25-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-27-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-28-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-29-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-30-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-31-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-32-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-33-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-34-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-35-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-36-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-26-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-37-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-38-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-17-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-40-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-41-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-42-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-43-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-44-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-45-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-47-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-18-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-49-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-50-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-48-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-51-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-52-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-54-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-55-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-58-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-59-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-60-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-61-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-57-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-56-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-53-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-63-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-65-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-16-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-64-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-62-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-70-0x0000000000B60000-0x0000000000B67000-memory.dmp
memory/3528-78-0x00007FF9EB020000-0x00007FF9EB030000-memory.dmp
memory/3528-4-0x0000000002D50000-0x0000000002D51000-memory.dmp
memory/3528-15-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-13-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-12-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-11-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-9-0x00007FF9EA8AA000-0x00007FF9EA8AB000-memory.dmp
memory/3528-8-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-10-0x0000000140000000-0x0000000140336000-memory.dmp
memory/3528-6-0x0000000140000000-0x0000000140336000-memory.dmp
memory/4600-115-0x000002C51CA00000-0x000002C51CA07000-memory.dmp
memory/4900-133-0x000001F9769F0000-0x000001F9769F7000-memory.dmp