Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
26/02/2024, 00:03
General
- Target a4ef4ea3e83f8bd578269f49c1ed1820.dll
- Size 1.5MB
- Sample240226-acac3aga42
- SHA256 9f5adc50886570b3ecdcf2296bd8ca8f8996fadfd0b0b7b505d2ef90438f8538
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\a4ef4ea3e83f8bd578269f49c1ed1820.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\tabcal.exeC:\Windows\system32\tabcal.exe1⤵
-
C:\Users\Admin\AppData\Local\dUj4\tabcal.exeC:\Users\Admin\AppData\Local\dUj4\tabcal.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\1gOfJph\DevicePairingWizard.exeC:\Users\Admin\AppData\Local\1gOfJph\DevicePairingWizard.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\Wq5iCSRp\Narrator.exeC:\Users\Admin\AppData\Local\Wq5iCSRp\Narrator.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\eudcedit.exeC:\Windows\system32\eudcedit.exe1⤵
-
C:\Users\Admin\AppData\Local\c7mJU7\eudcedit.exeC:\Users\Admin\AppData\Local\c7mJU7\eudcedit.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
DevicePairingWizard.exe
MFC42u.dll
MFC42u.dll
Narrator.exe
MFC42u.dll
eudcedit.exe
HID.DLL
tabcal.exe
Txpirfreldbgjul.lnk
memory/680-122-0x0000024F582B0000-0x0000024F582B7000-memory.dmp
memory/3436-38-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-43-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-18-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-19-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-20-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-21-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-22-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-23-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-24-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-25-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-26-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-27-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-28-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-29-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-30-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-31-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-32-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-33-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-34-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-35-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-36-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-37-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-5-0x00007FFE433DA000-0x00007FFE433DB000-memory.dmp
memory/3436-39-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-40-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-41-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-42-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-17-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-44-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-45-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-46-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-47-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-48-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-49-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-50-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-51-0x0000000000A60000-0x0000000000A67000-memory.dmp
memory/3436-58-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-59-0x00007FFE44F20000-0x00007FFE44F30000-memory.dmp
memory/3436-68-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-70-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-16-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-15-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-4-0x0000000002920000-0x0000000002921000-memory.dmp
memory/3436-7-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-14-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-13-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-12-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-9-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-10-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3436-11-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3828-80-0x0000018689C40000-0x0000018689C47000-memory.dmp
memory/3828-79-0x0000000140000000-0x000000014018C000-memory.dmp
memory/3860-8-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3860-1-0x0000000140000000-0x000000014018B000-memory.dmp
memory/3860-0-0x000002B1D10A0000-0x000002B1D10A7000-memory.dmp
memory/4468-97-0x000001E71C890000-0x000001E71C897000-memory.dmp