Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/03/2024, 10:06
General
- Target bafca9a887a067ba019a672e77fb4ac4.dll
- Size 1.5MB
- Sample240308-l5h2fscd29
- SHA256 2e241af0bf99f9b7bd53f2409023f937deaf167d5666da897b6ad9c46cd9e202
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 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 12 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\bafca9a887a067ba019a672e77fb4ac4.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\rstrui.exeC:\Windows\system32\rstrui.exe1⤵
-
C:\Users\Admin\AppData\Local\77nDQ\rstrui.exeC:\Users\Admin\AppData\Local\77nDQ\rstrui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\slui.exeC:\Windows\system32\slui.exe1⤵
-
C:\Users\Admin\AppData\Local\Lw2AcG\slui.exeC:\Users\Admin\AppData\Local\Lw2AcG\slui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\DevicePairingWizard.exeC:\Windows\system32\DevicePairingWizard.exe1⤵
-
C:\Users\Admin\AppData\Local\fx0Ok\DevicePairingWizard.exeC:\Users\Admin\AppData\Local\fx0Ok\DevicePairingWizard.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
SRCORE.dll
rstrui.exe
SLC.dll
slui.exe
DevicePairingWizard.exe
MFC42u.dll
Txagdzatgusg.lnk
memory/1088-124-0x0000000140000000-0x000000014018C000-memory.dmp
memory/1088-116-0x0000000140000000-0x000000014018C000-memory.dmp
memory/1088-118-0x00000234EC6F0000-0x00000234EC6F7000-memory.dmp
memory/3540-39-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-44-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-14-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-18-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-19-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-22-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-24-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-21-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-25-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-27-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-28-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-29-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-26-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-23-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-20-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-30-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-31-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-32-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-33-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-34-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-35-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-36-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-37-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-38-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-6-0x00007FFFC0BCA000-0x00007FFFC0BCB000-memory.dmp
memory/3540-40-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-41-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-42-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-43-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-17-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-45-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-46-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-47-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-48-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-49-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-50-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-51-0x0000000002600000-0x0000000002607000-memory.dmp
memory/3540-58-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-62-0x00007FFFC2320000-0x00007FFFC2330000-memory.dmp
memory/3540-68-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-70-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-5-0x0000000002200000-0x0000000002201000-memory.dmp
memory/3540-8-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-10-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-11-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-12-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-13-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-16-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3540-15-0x0000000140000000-0x0000000140185000-memory.dmp
memory/3744-86-0x0000000140000000-0x0000000140186000-memory.dmp
memory/3744-82-0x000001FE7C3B0000-0x000001FE7C3B7000-memory.dmp
memory/3744-79-0x0000000140000000-0x0000000140186000-memory.dmp
memory/3744-80-0x0000000140000000-0x0000000140186000-memory.dmp
memory/3880-100-0x000001A0D2CA0000-0x000001A0D2CA7000-memory.dmp
memory/3880-97-0x0000000140000000-0x0000000140186000-memory.dmp
memory/3880-105-0x0000000140000000-0x0000000140186000-memory.dmp
memory/4976-1-0x0000000140000000-0x0000000140185000-memory.dmp
memory/4976-0-0x0000000140000000-0x0000000140185000-memory.dmp
memory/4976-3-0x0000016732BB0000-0x0000016732BB7000-memory.dmp
memory/4976-9-0x0000000140000000-0x0000000140185000-memory.dmp