Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/02/2024, 18:00
General
- Target af1f011909cb93784725942aff166721.dll
- Size 1.6MB
- Sample240229-wls3esgh64
- SHA256 4d218f11e6356710d6c6b55cbe933bc97753337ab79086af0035dc58276003c5
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 4 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 UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 14 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\af1f011909cb93784725942aff166721.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\rdpinit.exeC:\Windows\system32\rdpinit.exe1⤵
-
C:\Users\Admin\AppData\Local\9qMV\rdpinit.exeC:\Users\Admin\AppData\Local\9qMV\rdpinit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\Narrator.exeC:\Windows\system32\Narrator.exe1⤵
-
C:\Users\Admin\AppData\Local\1P7\Narrator.exeC:\Users\Admin\AppData\Local\1P7\Narrator.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\RdpSaUacHelper.exeC:\Windows\system32\RdpSaUacHelper.exe1⤵
-
C:\Users\Admin\AppData\Local\NTF\RdpSaUacHelper.exeC:\Users\Admin\AppData\Local\NTF\RdpSaUacHelper.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SystemPropertiesAdvanced.exeC:\Windows\system32\SystemPropertiesAdvanced.exe1⤵
-
C:\Users\Admin\AppData\Local\ysN\SystemPropertiesAdvanced.exeC:\Users\Admin\AppData\Local\ysN\SystemPropertiesAdvanced.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
Narrator.exe
dwmapi.dll
rdpinit.exe
RdpSaUacHelper.exe
WINSTA.dll
SYSDM.CPL
SystemPropertiesAdvanced.exe
Jnsvybh.lnk
memory/2156-70-0x0000000140000000-0x000000014019C000-memory.dmp
memory/2156-66-0x0000026DDF0A0000-0x0000026DDF0A7000-memory.dmp
memory/2156-64-0x0000000140000000-0x000000014019C000-memory.dmp
memory/3304-9-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3304-1-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3304-4-0x0000024129D80000-0x0000024129D87000-memory.dmp
memory/3336-15-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-43-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-21-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-22-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-19-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-24-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-25-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-23-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-26-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-28-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-29-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-27-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-30-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-31-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-32-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-33-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-34-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-35-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-37-0x0000000000160000-0x0000000000167000-memory.dmp
memory/3336-20-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-46-0x00007FFF04580000-0x00007FFF04590000-memory.dmp
memory/3336-53-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-55-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-14-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-18-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-17-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-16-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-8-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-13-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-12-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-11-0x0000000140000000-0x000000014019B000-memory.dmp
memory/3336-6-0x00007FFF02B9A000-0x00007FFF02B9B000-memory.dmp
memory/3336-5-0x00000000022F0000-0x00000000022F1000-memory.dmp
memory/3336-10-0x0000000140000000-0x000000014019B000-memory.dmp
memory/4768-108-0x000001B24E8A0000-0x000001B24E8A7000-memory.dmp
memory/4768-113-0x0000000140000000-0x000000014019C000-memory.dmp
memory/4984-96-0x0000000140000000-0x000000014019D000-memory.dmp
memory/4984-89-0x0000000140000000-0x000000014019D000-memory.dmp
memory/4984-91-0x000001D6976D0000-0x000001D6976D7000-memory.dmp
memory/4984-90-0x0000000140000000-0x000000014019D000-memory.dmp