Analysis
- max time kernel
149s - max time network
120s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
05/02/2024, 14:00
General
- Target 922c8e9ab8b837ee7592d53c2845f8b0.dll
- Size 1.8MB
- Sample240205-ra95cabdbp
- SHA256 8ef9f3ee4761a22f96d82a0eb0f12f0ae4d3bed4fda16bd6706d1f35b7d0eb00
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\922c8e9ab8b837ee7592d53c2845f8b0.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\DWWIN.EXEC:\Windows\system32\DWWIN.EXE1⤵
-
C:\Users\Admin\AppData\Local\vjJcBf1T\DWWIN.EXEC:\Users\Admin\AppData\Local\vjJcBf1T\DWWIN.EXE1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\ix25gU\Dxpserver.exeC:\Users\Admin\AppData\Local\ix25gU\Dxpserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\Dxpserver.exeC:\Windows\system32\Dxpserver.exe1⤵
-
C:\Users\Admin\AppData\Local\OK44Ln4\ddodiag.exeC:\Users\Admin\AppData\Local\OK44Ln4\ddodiag.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\ddodiag.exeC:\Windows\system32\ddodiag.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
XmlLite.dll
Dxpserver.exe
Dxpserver.exe
XmlLite.dll
DWWIN.EXE
Cuhrqknkppepky.lnk
VERSION.dll
XmlLite.dll
XmlLite.dll
XmlLite.dll
ddodiag.exe
Dxpserver.exe
XmlLite.dll
DWWIN.EXE
VERSION.dll
memory/1212-28-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-18-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-49-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-56-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-64-0x0000000077031000-0x0000000077032000-memory.dmp
memory/1212-63-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-60-0x0000000077190000-0x0000000077192000-memory.dmp
memory/1212-69-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-57-0x0000000002E00000-0x0000000002E07000-memory.dmp
memory/1212-47-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-46-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-45-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-44-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-42-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-41-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-38-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-37-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-36-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-34-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-32-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-30-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-43-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-27-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-26-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-25-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-24-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-23-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-21-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-20-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-48-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-17-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-16-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-15-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-13-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-12-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-11-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-10-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-4-0x0000000076E26000-0x0000000076E27000-memory.dmp
memory/1212-5-0x0000000002E20000-0x0000000002E21000-memory.dmp
memory/1212-9-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-143-0x0000000076E26000-0x0000000076E27000-memory.dmp
memory/1212-7-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-40-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-39-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-14-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-35-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-33-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-31-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-29-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-22-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1212-19-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1312-84-0x0000000000280000-0x0000000000287000-memory.dmp
memory/1752-8-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/1752-1-0x0000000000290000-0x0000000000297000-memory.dmp
memory/1752-0-0x0000000140000000-0x00000001401CC000-memory.dmp
memory/2004-119-0x00000000001A0000-0x00000000001A7000-memory.dmp
memory/2036-103-0x0000000000090000-0x0000000000097000-memory.dmp