Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 06:49
General
- Target 3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll
- Size 824KB
- Sample240717-hlde3ssflc
- SHA256 3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d
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.
- Dridex payload 10 IoCs
Detects Dridex x64 core DLL in memory.
- 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
- Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
- 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\3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\psr.exeC:\Windows\system32\psr.exe1⤵
-
C:\Users\Admin\AppData\Local\0R1AB7\psr.exeC:\Users\Admin\AppData\Local\0R1AB7\psr.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\xnvoGRrjM\Narrator.exeC:\Users\Admin\AppData\Local\xnvoGRrjM\Narrator.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\ProximityUxHost.exeC:\Windows\system32\ProximityUxHost.exe1⤵
-
C:\Users\Admin\AppData\Local\RQWPzXh\ProximityUxHost.exeC:\Users\Admin\AppData\Local\RQWPzXh\ProximityUxHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\BitLockerWizardElev.exeC:\Windows\system32\BitLockerWizardElev.exe1⤵
-
C:\Users\Admin\AppData\Local\QdPhB\BitLockerWizardElev.exeC:\Users\Admin\AppData\Local\QdPhB\BitLockerWizardElev.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Accessibility Features
1Replay Monitor
Loading Replay Monitor...
Downloads
VERSION.dll
psr.exe
BitLockerWizardElev.exe
FVEWIZ.dll
DUI70.dll
ProximityUxHost.exe
Narrator.exe
Txrhelfambrw.lnk
memory/1536-2-0x00000221995F0000-0x00000221995F7000-memory.dmp
memory/1536-52-0x00007FFEA4A90000-0x00007FFEA4B5E000-memory.dmp
memory/1536-1-0x00007FFEA4A90000-0x00007FFEA4B5E000-memory.dmp
memory/2220-88-0x00007FFE956E0000-0x00007FFE957F4000-memory.dmp
memory/2220-83-0x000001D1ED3F0000-0x000001D1ED3F7000-memory.dmp
memory/2220-84-0x00007FFE956E0000-0x00007FFE957F4000-memory.dmp
memory/2836-103-0x00007FFE95730000-0x00007FFE957FF000-memory.dmp
memory/3476-28-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-26-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-22-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-21-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-20-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-18-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-17-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-16-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-15-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-14-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-12-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-11-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-10-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-9-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-8-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-7-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-6-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-23-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-5-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-24-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-25-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-27-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-3-0x0000000002FE0000-0x0000000002FE1000-memory.dmp
memory/3476-13-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-19-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-36-0x00007FFEB302A000-0x00007FFEB302B000-memory.dmp
memory/3476-49-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-38-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/3476-39-0x00007FFEB3700000-0x00007FFEB3710000-memory.dmp
memory/3476-40-0x00007FFEB36F0000-0x00007FFEB3700000-memory.dmp
memory/3476-37-0x0000000000FB0000-0x0000000000FB7000-memory.dmp
memory/3476-29-0x0000000140000000-0x00000001400CE000-memory.dmp
memory/4656-64-0x00007FFE95730000-0x00007FFE957FF000-memory.dmp
memory/4656-61-0x000002354D5F0000-0x000002354D5F7000-memory.dmp
memory/4656-59-0x00007FFE95730000-0x00007FFE957FF000-memory.dmp