Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
26/02/2024, 11:09
General
- Target a63430e80faace30776fd829ff55ae87.dll
- Size 1.4MB
- Sample240226-m9fbssca67
- SHA256 c53caa132b8b34fb418178fc17ff7bdc1ed38e5d1ccf256fe40788339fe71e6e
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.
- Drops startup file 3 IoCs
- 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 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\a63430e80faace30776fd829ff55ae87.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\DevicePairingWizard.exeC:\Windows\system32\DevicePairingWizard.exe1⤵
-
C:\Users\Admin\AppData\Local\dOd7utrR\DevicePairingWizard.exeC:\Users\Admin\AppData\Local\dOd7utrR\DevicePairingWizard.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\ie4ushowIE.exeC:\Windows\system32\ie4ushowIE.exe1⤵
-
C:\Users\Admin\AppData\Local\mDvAY3nVM\ie4ushowIE.exeC:\Users\Admin\AppData\Local\mDvAY3nVM\ie4ushowIE.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rdpshell.exeC:\Windows\system32\rdpshell.exe1⤵
-
C:\Users\Admin\AppData\Local\Rhp7srkip\rdpshell.exeC:\Users\Admin\AppData\Local\Rhp7srkip\rdpshell.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
dwmapi.dll
dwmapi.dll
rdpshell.exe
DevicePairingWizard.exe
MFC42u.dll
MFC42u.dll
VERSION.dll
VERSION.dll
ie4ushowIE.exe
Dwlye.lnk
dwmapi.dll
MFC42u.dll
VERSION.dll
memory/2144-77-0x0000000140000000-0x000000014016B000-memory.dmp
memory/2144-76-0x000001D2456A0000-0x000001D2456A7000-memory.dmp
memory/2144-82-0x0000000140000000-0x000000014016B000-memory.dmp
memory/3456-16-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-12-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-21-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-22-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-23-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-24-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-25-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-26-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-27-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-29-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-28-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-30-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-31-0x0000000001100000-0x0000000001107000-memory.dmp
memory/3456-39-0x00007FFBFA6E0000-0x00007FFBFA6F0000-memory.dmp
memory/3456-38-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-50-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-48-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-19-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-4-0x0000000003060000-0x0000000003061000-memory.dmp
memory/3456-6-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-9-0x00007FFBF898A000-0x00007FFBF898B000-memory.dmp
memory/3456-18-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-17-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-10-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-15-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-14-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-13-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-8-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-20-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3456-11-0x0000000140000000-0x000000014016A000-memory.dmp
memory/4064-65-0x0000000140000000-0x0000000140171000-memory.dmp
memory/4064-60-0x0000000140000000-0x0000000140171000-memory.dmp
memory/4064-59-0x000001D2B9560000-0x000001D2B9567000-memory.dmp
memory/4112-93-0x000002076F4B0000-0x000002076F4B7000-memory.dmp
memory/4112-99-0x0000000140000000-0x000000014016B000-memory.dmp
memory/4136-1-0x0000000140000000-0x000000014016A000-memory.dmp
memory/4136-7-0x0000000140000000-0x000000014016A000-memory.dmp
memory/4136-0-0x000002BAFF1B0000-0x000002BAFF1B7000-memory.dmp