Analysis
- max time kernel
150s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/03/2024, 00:14
General
- Target b0be8735b462350e3b1a5c115f84ca15.dll
- Size 2.0MB
- Sample240304-ajealadb95
- SHA256 033ec5c31294b9f3bc509ae3ecdb1ef45562f69f946681e96bded3376154e6b8
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 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\b0be8735b462350e3b1a5c115f84ca15.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe1⤵
-
C:\Users\Admin\AppData\Local\fFGNbU\sppsvc.exeC:\Users\Admin\AppData\Local\fFGNbU\sppsvc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\WMPDMC.exeC:\Windows\system32\WMPDMC.exe1⤵
-
C:\Users\Admin\AppData\Local\O7Q\WMPDMC.exeC:\Users\Admin\AppData\Local\O7Q\WMPDMC.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\gjGl0c\Narrator.exeC:\Users\Admin\AppData\Local\gjGl0c\Narrator.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\unregmp2.exeC:\Windows\system32\unregmp2.exe1⤵
-
C:\Users\Admin\AppData\Local\fi0Ym\unregmp2.exeC:\Users\Admin\AppData\Local\fi0Ym\unregmp2.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
WMPDMC.exe
dwmapi.dll
XmlLite.dll
sppsvc.exe
sppsvc.exe
VERSION.dll
unregmp2.exe
Narrator.exe
Jnsvybh.lnk
memory/2544-109-0x000002008ED40000-0x000002008ED47000-memory.dmp
memory/2544-114-0x0000000140000000-0x00000001401F8000-memory.dmp
memory/2772-0-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/2772-7-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/2772-1-0x00000132ED0A0000-0x00000132ED0A7000-memory.dmp
memory/3352-29-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-44-0x00007FFBC0CA0000-0x00007FFBC0CB0000-memory.dmp
memory/3352-20-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-21-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-18-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-23-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-24-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-25-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-26-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-27-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-22-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-28-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-17-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-30-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-31-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-32-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-33-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-35-0x00000000006B0000-0x00000000006B7000-memory.dmp
memory/3352-41-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-19-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-51-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-53-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-16-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-15-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-4-0x00000000027F0000-0x00000000027F1000-memory.dmp
memory/3352-6-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-14-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-9-0x00007FFBC06DA000-0x00007FFBC06DB000-memory.dmp
memory/3352-13-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-8-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-10-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-11-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/3352-12-0x0000000140000000-0x00000001401F7000-memory.dmp
memory/4136-70-0x0000000140000000-0x00000001401F8000-memory.dmp
memory/4136-63-0x00000230732D0000-0x00000230732D7000-memory.dmp
memory/4136-62-0x0000000140000000-0x00000001401F8000-memory.dmp
memory/4792-89-0x0000000140000000-0x00000001401F8000-memory.dmp
memory/4792-84-0x000001B07FA10000-0x000001B07FA17000-memory.dmp