Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
16/03/2024, 03:06
General
- Target ccf2b98cc1725de42dc9276fcef9bc2a.dll
- Size 1.1MB
- Sample240316-dl218acd68
- SHA256 e0d3ffa62a666cd9da051fb466195a2d2da5e79e55191d1fcbe09fd9da8b9ab1
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 8 IoCs
Detects Dridex x64 core DLL in memory.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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\ccf2b98cc1725de42dc9276fcef9bc2a.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\dccw.exeC:\Windows\system32\dccw.exe1⤵
-
C:\Users\Admin\AppData\Local\8qZG0Jhd\dccw.exeC:\Users\Admin\AppData\Local\8qZG0Jhd\dccw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\DisplaySwitch.exeC:\Windows\system32\DisplaySwitch.exe1⤵
-
C:\Users\Admin\AppData\Local\wMpkd\DisplaySwitch.exeC:\Users\Admin\AppData\Local\wMpkd\DisplaySwitch.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\dwm.exeC:\Windows\system32\dwm.exe1⤵
-
C:\Users\Admin\AppData\Local\TxnG\dwm.exeC:\Users\Admin\AppData\Local\TxnG\dwm.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
dccw.exe
dxva2.dll
dwm.exe
dxgi.dll
DisplaySwitch.exe
UxTheme.dll
UxTheme.dll
Vuzdvithyifjda.lnk
UxTheme.dll
memory/1728-82-0x000001BD0B150000-0x000001BD0B157000-memory.dmp
memory/1728-84-0x0000000140000000-0x0000000140123000-memory.dmp
memory/3084-0-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3084-37-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3084-2-0x0000000002C50000-0x0000000002C57000-memory.dmp
memory/3296-10-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-12-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-24-0x00007FF992440000-0x00007FF992450000-memory.dmp
memory/3296-34-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-23-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-14-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-15-0x0000000000D50000-0x0000000000D57000-memory.dmp
memory/3296-3-0x00000000012D0000-0x00000000012D1000-memory.dmp
memory/3296-5-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-6-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-13-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-25-0x00007FF992430000-0x00007FF992440000-memory.dmp
memory/3296-11-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-8-0x0000000140000000-0x0000000140122000-memory.dmp
memory/3296-7-0x00007FF991A9A000-0x00007FF991A9B000-memory.dmp
memory/3296-9-0x0000000140000000-0x0000000140122000-memory.dmp
memory/4000-49-0x0000000140000000-0x0000000140123000-memory.dmp
memory/4000-45-0x00000262DA070000-0x00000262DA077000-memory.dmp
memory/4000-44-0x0000000140000000-0x0000000140123000-memory.dmp
memory/4760-67-0x0000000140000000-0x0000000140123000-memory.dmp
memory/4760-64-0x0000026A02250000-0x0000026A02257000-memory.dmp