Analysis
- max time kernel
150s - max time network
125s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
15/02/2024, 01:14
General
- Target 9c90e50da32310737cca609f6a65e2fe.dll
- Size 2.0MB
- Sample240215-bl4tpsea85
- SHA256 0d80980d1ba853d25969663dc7dadce3620a2654ab61e2f6c9a04909fd4807b7
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\9c90e50da32310737cca609f6a65e2fe.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Users\Admin\AppData\Local\FKJMY\RDVGHelper.exeC:\Users\Admin\AppData\Local\FKJMY\RDVGHelper.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\RDVGHelper.exeC:\Windows\system32\RDVGHelper.exe1⤵
-
C:\Windows\system32\sethc.exeC:\Windows\system32\sethc.exe1⤵
-
C:\Users\Admin\AppData\Local\MEb\sethc.exeC:\Users\Admin\AppData\Local\MEb\sethc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\perfmon.exeC:\Windows\system32\perfmon.exe1⤵
-
C:\Users\Admin\AppData\Local\tOacwU\perfmon.exeC:\Users\Admin\AppData\Local\tOacwU\perfmon.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
WTSAPI32.dll
DUI70.dll
credui.dll
Zrkibbhbsqvuoso.lnk
WTSAPI32.dll
RDVGHelper.exe
WTSAPI32.dll
sethc.exe
perfmon.exe
memory/1252-18-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-35-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-15-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-14-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-16-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-4-0x00000000776C6000-0x00000000776C7000-memory.dmp
memory/1252-17-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-19-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-20-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-22-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-21-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-23-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-24-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-25-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-27-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-28-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-26-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-29-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-30-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-31-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-32-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-34-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-33-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-13-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-37-0x0000000002CF0000-0x0000000002CF7000-memory.dmp
memory/1252-36-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-44-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-45-0x00000000778D1000-0x00000000778D2000-memory.dmp
memory/1252-49-0x0000000077A30000-0x0000000077A32000-memory.dmp
memory/1252-55-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-59-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-64-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-12-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-10-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-136-0x00000000776C6000-0x00000000776C7000-memory.dmp
memory/1252-5-0x0000000002DA0000-0x0000000002DA1000-memory.dmp
memory/1252-11-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-7-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/1252-9-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/2200-8-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/2200-0-0x0000000000290000-0x0000000000297000-memory.dmp
memory/2200-1-0x0000000140000000-0x00000001401F5000-memory.dmp
memory/2928-92-0x0000000000090000-0x0000000000097000-memory.dmp
memory/2928-91-0x0000000140000000-0x0000000140229000-memory.dmp
memory/2928-99-0x0000000140000000-0x0000000140229000-memory.dmp
memory/3068-79-0x0000000140000000-0x00000001401F6000-memory.dmp
memory/3068-73-0x0000000000080000-0x0000000000087000-memory.dmp
memory/3068-74-0x0000000140000000-0x00000001401F6000-memory.dmp