Analysis
- max time kernel
151s - max time network
120s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
26/01/2024, 22:07
General
- Target 78833dc80091e76f426f64b576358fef.dll
- Size 1.9MB
- Sample240126-116dhsfch6
- SHA256 c004c89e8e9190bf7629831fa4b9f1a6a90510777e4d233e119b0f4902f66222
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 3 IoCs
- Loads dropped DLL 7 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 18 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\78833dc80091e76f426f64b576358fef.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\FXSCOVER.exeC:\Windows\system32\FXSCOVER.exe1⤵
-
C:\Users\Admin\AppData\Local\bIrnq\FXSCOVER.exeC:\Users\Admin\AppData\Local\bIrnq\FXSCOVER.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SoundRecorder.exeC:\Windows\system32\SoundRecorder.exe1⤵
-
C:\Users\Admin\AppData\Local\LEpoW9c\SoundRecorder.exeC:\Users\Admin\AppData\Local\LEpoW9c\SoundRecorder.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\shrpubw.exeC:\Windows\system32\shrpubw.exe1⤵
-
C:\Users\Admin\AppData\Local\UP5b0FH\shrpubw.exeC:\Users\Admin\AppData\Local\UP5b0FH\shrpubw.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
SoundRecorder.exe
UxTheme.dll
srvcli.dll
FXSCOVER.exe
MFC42u.dll
Hbeids.lnk
MFC42u.dll
UxTheme.dll
shrpubw.exe
MFC42u.dll
memory/328-83-0x0000000000080000-0x0000000000087000-memory.dmp
memory/328-84-0x0000000140000000-0x00000001401FA000-memory.dmp
memory/1224-33-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-45-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-17-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-16-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-23-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-24-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-22-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-26-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-30-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-31-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-29-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-28-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-27-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-25-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-39-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-38-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-37-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-36-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-35-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-34-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-4-0x0000000076F16000-0x0000000076F17000-memory.dmp
memory/1224-32-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-40-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-42-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-41-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-44-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-43-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-18-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-46-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-47-0x0000000002A60000-0x0000000002A67000-memory.dmp
memory/1224-54-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-55-0x0000000077121000-0x0000000077122000-memory.dmp
memory/1224-59-0x0000000077280000-0x0000000077282000-memory.dmp
memory/1224-65-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-69-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-75-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-19-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-21-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-20-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-15-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-7-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-9-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-10-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-11-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-5-0x0000000002A90000-0x0000000002A91000-memory.dmp
memory/1224-12-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-14-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-13-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/1224-140-0x0000000076F16000-0x0000000076F17000-memory.dmp
memory/1556-100-0x0000000000200000-0x0000000000207000-memory.dmp
memory/2008-8-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/2008-0-0x0000000140000000-0x00000001401F3000-memory.dmp
memory/2008-1-0x0000000000320000-0x0000000000327000-memory.dmp
memory/2776-118-0x00000000000B0000-0x00000000000B7000-memory.dmp