Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
16/03/2024, 16:46
General
- Target ce8d79bd89e8ea8d7a90d6f854352da6.dll
- Size 1.8MB
- Sample240316-vafsaagg86
- SHA256 ac15491c127d6ee072aa798097a05db92bac440ec76e61e92a3a12fd5aef7bde
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
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 2 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\ce8d79bd89e8ea8d7a90d6f854352da6.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\RdpSa.exeC:\Windows\system32\RdpSa.exe1⤵
-
C:\Users\Admin\AppData\Local\ro7Hd\RdpSa.exeC:\Users\Admin\AppData\Local\ro7Hd\RdpSa.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SystemPropertiesRemote.exeC:\Windows\system32\SystemPropertiesRemote.exe1⤵
-
C:\Users\Admin\AppData\Local\sv5UG\SystemPropertiesRemote.exeC:\Users\Admin\AppData\Local\sv5UG\SystemPropertiesRemote.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\mspaint.exeC:\Windows\system32\mspaint.exe1⤵
-
C:\Users\Admin\AppData\Local\3x8i0Z\mspaint.exeC:\Users\Admin\AppData\Local\3x8i0Z\mspaint.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
MFC42u.dll
mspaint.exe
RdpSa.exe
WINSTA.dll
SYSDM.CPL
SystemPropertiesRemote.exe
Txagdzatgusg.lnk
memory/1392-0-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/1392-1-0x000002CCCEFC0000-0x000002CCCEFC7000-memory.dmp
memory/1392-8-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/1708-92-0x00000253BB7A0000-0x00000253BB7A7000-memory.dmp
memory/1708-93-0x0000000140000000-0x00000001401C7000-memory.dmp
memory/3444-28-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-36-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-14-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-15-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-16-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-13-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-17-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-18-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-19-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-20-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-21-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-22-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-23-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-24-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-25-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-26-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-27-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-29-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-12-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-30-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-31-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-32-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-33-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-34-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-35-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-7-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-37-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-38-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-39-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-40-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-41-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-42-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-43-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-44-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-45-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-46-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-47-0x00000000027E0000-0x00000000027E7000-memory.dmp
memory/3444-54-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-55-0x00007FF8CCEE0000-0x00007FF8CCEF0000-memory.dmp
memory/3444-64-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-66-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-5-0x00007FF8CCB0A000-0x00007FF8CCB0B000-memory.dmp
memory/3444-11-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-10-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-9-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3444-4-0x0000000002C10000-0x0000000002C11000-memory.dmp
memory/4496-112-0x000001775EE40000-0x000001775EE47000-memory.dmp
memory/4596-75-0x0000000140000000-0x00000001401C8000-memory.dmp
memory/4596-77-0x000001E896440000-0x000001E896447000-memory.dmp
memory/4596-81-0x0000000140000000-0x00000001401C8000-memory.dmp