Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/02/2024, 19:35
General
- Target af4de9404f8f442bd1e108a585219ed3.dll
- Size 2.3MB
- Sample240229-ya2arsba23
- SHA256 e24066e901da601e006fabd781ead3d249dd1039449370037e5713ea108c5112
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 5 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 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\af4de9404f8f442bd1e108a585219ed3.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\ie4uinit.exeC:\Windows\system32\ie4uinit.exe1⤵
-
C:\Users\Admin\AppData\Local\tmJz7\ie4uinit.exeC:\Users\Admin\AppData\Local\tmJz7\ie4uinit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\ProximityUxHost.exeC:\Windows\system32\ProximityUxHost.exe1⤵
-
C:\Users\Admin\AppData\Local\2ezDkDM\ProximityUxHost.exeC:\Users\Admin\AppData\Local\2ezDkDM\ProximityUxHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SystemSettingsAdminFlows.exeC:\Windows\system32\SystemSettingsAdminFlows.exe1⤵
-
C:\Users\Admin\AppData\Local\C2fLFp1II\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\C2fLFp1II\SystemSettingsAdminFlows.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
ProximityUxHost.exe
WINMM.dll
WINMM.dll
SystemSettingsAdminFlows.exe
newdev.dll
newdev.dll
VERSION.dll
VERSION.dll
VERSION.dll
VERSION.dll
ie4uinit.exe
Jnsvybh.lnk
WINMM.dll
newdev.dll
VERSION.dll
memory/868-93-0x0000000140000000-0x0000000140244000-memory.dmp
memory/868-99-0x0000000140000000-0x0000000140244000-memory.dmp
memory/868-94-0x00000225650B0000-0x00000225650B7000-memory.dmp
memory/3472-20-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-46-0x00000000012D0000-0x00000000012D7000-memory.dmp
memory/3472-25-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-26-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-27-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-28-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-29-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-23-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-30-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-31-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-22-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-33-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-32-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-37-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-39-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-41-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-40-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-38-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-36-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-35-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-34-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-44-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-43-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-42-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-45-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-24-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-53-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-54-0x00007FFA19180000-0x00007FFA19190000-memory.dmp
memory/3472-63-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-65-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-21-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-4-0x00000000014B0000-0x00000000014B1000-memory.dmp
memory/3472-6-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-9-0x00007FFA1723A000-0x00007FFA1723B000-memory.dmp
memory/3472-18-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-8-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-19-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-17-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-16-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-15-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-14-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-12-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-13-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-11-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3472-10-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3660-1-0x0000015CDE4B0000-0x0000015CDE4B7000-memory.dmp
memory/3660-7-0x0000000140000000-0x0000000140242000-memory.dmp
memory/3660-0-0x0000000140000000-0x0000000140242000-memory.dmp
memory/4396-110-0x000002FC1C430000-0x000002FC1C437000-memory.dmp
memory/5116-82-0x0000022273460000-0x00000222736A3000-memory.dmp
memory/5116-77-0x0000022273460000-0x00000222736A3000-memory.dmp
memory/5116-76-0x0000022273300000-0x0000022273307000-memory.dmp