Analysis
- max time kernel
152s - max time network
26s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
30/09/2021, 11:16
General
- Target 2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79.dll
- Size 832KB
- Sample210930-nc6cdshecp
- SHA256 2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Payload 4 IoCs
Detects Dridex x64 core DLL in memory.
- 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 behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\dpapimig.exeC:\Windows\system32\dpapimig.exe1⤵
-
C:\Users\Admin\AppData\Local\5Wz\dpapimig.exeC:\Users\Admin\AppData\Local\5Wz\dpapimig.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rrinstaller.exeC:\Windows\system32\rrinstaller.exe1⤵
-
C:\Users\Admin\AppData\Local\mDWgdo\rrinstaller.exeC:\Users\Admin\AppData\Local\mDWgdo\rrinstaller.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\UI0Detect.exeC:\Windows\system32\UI0Detect.exe1⤵
-
C:\Users\Admin\AppData\Local\xc9kJ7\UI0Detect.exeC:\Users\Admin\AppData\Local\xc9kJ7\UI0Detect.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1156-97-0x0000000140000000-0x0000000140104000-memory.dmp
memory/1156-94-0x000007FEFC271000-0x000007FEFC273000-memory.dmp
memory/1204-69-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-67-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-74-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-75-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-73-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-80-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-79-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-78-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-77-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-76-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-84-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-83-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-82-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-81-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-85-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-65-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-66-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-58-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-68-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-57-0x0000000002990000-0x0000000002991000-memory.dmp
memory/1204-70-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-72-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-71-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-64-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-59-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-60-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-61-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-63-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1204-62-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1252-111-0x0000000140000000-0x00000001400D1000-memory.dmp
memory/1756-54-0x0000000140000000-0x00000001400D0000-memory.dmp
memory/1756-56-0x0000000000100000-0x0000000000107000-memory.dmp
memory/1860-104-0x0000000140000000-0x00000001400D2000-memory.dmp