Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
17/07/2024, 06:49
General
- Target 75c4e5ea34c5b7bce8151ef2a04337e6c6657acec991fff8b3a6a9f23e216903.dll
- Size 800KB
- Sample240717-hlc5basfla
- SHA256 75c4e5ea34c5b7bce8151ef2a04337e6c6657acec991fff8b3a6a9f23e216903
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.
- Dridex payload 11 IoCs
Detects Dridex x64 core DLL in memory.
- 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 3 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\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\75c4e5ea34c5b7bce8151ef2a04337e6c6657acec991fff8b3a6a9f23e216903.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\rdpinit.exeC:\Windows\system32\rdpinit.exe1⤵
-
C:\Users\Admin\AppData\Local\LY8n\rdpinit.exeC:\Users\Admin\AppData\Local\LY8n\rdpinit.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\B9Bzpkhj\mspaint.exeC:\Users\Admin\AppData\Local\B9Bzpkhj\mspaint.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\bdechangepin.exeC:\Windows\system32\bdechangepin.exe1⤵
-
C:\Users\Admin\AppData\Local\lClq1xGL\bdechangepin.exeC:\Users\Admin\AppData\Local\lClq1xGL\bdechangepin.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
MFC42u.dll
mspaint.exe
WTSAPI32.dll
rdpinit.exe
DUI70.dll
bdechangepin.exe
Reuom.lnk
memory/804-79-0x00007FFAD59E0000-0x00007FFAD5AAF000-memory.dmp
memory/804-76-0x00007FFAD59E0000-0x00007FFAD5AAF000-memory.dmp
memory/804-78-0x000001C891E20000-0x000001C891E27000-memory.dmp
memory/1336-52-0x00007FFAE4BD0000-0x00007FFAE4C98000-memory.dmp
memory/1336-2-0x0000000002200000-0x0000000002207000-memory.dmp
memory/1336-0-0x00007FFAE4BD0000-0x00007FFAE4C98000-memory.dmp
memory/3444-27-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-10-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-24-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-23-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-22-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-21-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-20-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-18-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-17-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-16-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-15-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-14-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-13-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-12-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-9-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-8-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-7-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-6-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-28-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-25-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-5-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-26-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-36-0x00007FFAF2F1A000-0x00007FFAF2F1B000-memory.dmp
memory/3444-38-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-3-0x0000000001490000-0x0000000001491000-memory.dmp
memory/3444-11-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-19-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-39-0x00007FFAF33E0000-0x00007FFAF33F0000-memory.dmp
memory/3444-49-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3444-40-0x00007FFAF33D0000-0x00007FFAF33E0000-memory.dmp
memory/3444-37-0x0000000001240000-0x0000000001247000-memory.dmp
memory/3444-29-0x0000000140000000-0x00000001400C8000-memory.dmp
memory/3776-64-0x00007FFAD59E0000-0x00007FFAD5AA9000-memory.dmp
memory/3776-60-0x00007FFAD59E0000-0x00007FFAD5AA9000-memory.dmp
memory/3776-59-0x0000024BD2740000-0x0000024BD2747000-memory.dmp
memory/4904-88-0x00007FFAD59A0000-0x00007FFAD5AAE000-memory.dmp
memory/4904-92-0x00007FFAD59A0000-0x00007FFAD5AAE000-memory.dmp