Analysis
- max time kernel
150s - max time network
111s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
01/05/2024, 15:43
General
- Target 0c2f2c5053a1aeca9442fe7a94a12d90_JaffaCakes118.dll
- Size 1.2MB
- Sample240501-s55zjsad21
- SHA256 998ad9f4b08ca563f76ec2e50176bfcfd2d3eee637baa90216664644618204ab
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 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\0c2f2c5053a1aeca9442fe7a94a12d90_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\osk.exeC:\Windows\system32\osk.exe1⤵
-
C:\Users\Admin\AppData\Local\Dhsdg4yKi\osk.exeC:\Users\Admin\AppData\Local\Dhsdg4yKi\osk.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SystemPropertiesAdvanced.exeC:\Windows\system32\SystemPropertiesAdvanced.exe1⤵
-
C:\Users\Admin\AppData\Local\n2ivYQcYX\SystemPropertiesAdvanced.exeC:\Users\Admin\AppData\Local\n2ivYQcYX\SystemPropertiesAdvanced.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\tabcal.exeC:\Windows\system32\tabcal.exe1⤵
-
C:\Users\Admin\AppData\Local\svI4iTjm\tabcal.exeC:\Users\Admin\AppData\Local\svI4iTjm\tabcal.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
DUser.dll
osk.exe
SYSDM.CPL
SystemPropertiesAdvanced.exe
HID.DLL
tabcal.exe
Rnysjhcczxaxza.lnk
memory/2496-70-0x00007FFF3E810000-0x00007FFF3E952000-memory.dmp
memory/2496-67-0x000002563B6F0000-0x000002563B6F7000-memory.dmp
memory/2496-64-0x00007FFF3E810000-0x00007FFF3E952000-memory.dmp
memory/3504-16-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-37-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-10-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-26-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-15-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-14-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-7-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-8-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-6-0x00007FFF5AD9A000-0x00007FFF5AD9B000-memory.dmp
memory/3504-4-0x0000000002E00000-0x0000000002E01000-memory.dmp
memory/3504-9-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-13-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-12-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-19-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-11-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-32-0x00007FFF5C190000-0x00007FFF5C1A0000-memory.dmp
memory/3504-17-0x0000000140000000-0x0000000140141000-memory.dmp
memory/3504-27-0x0000000002D80000-0x0000000002D87000-memory.dmp
memory/3672-53-0x00007FFF3E810000-0x00007FFF3E953000-memory.dmp
memory/3672-48-0x00007FFF3E810000-0x00007FFF3E953000-memory.dmp
memory/3672-47-0x000001F0CD0C0000-0x000001F0CD0C7000-memory.dmp
memory/4428-84-0x000001E6FDBC0000-0x000001E6FDBC7000-memory.dmp
memory/4428-87-0x00007FFF3E810000-0x00007FFF3E952000-memory.dmp
memory/4560-0-0x0000023787C50000-0x0000023787C57000-memory.dmp
memory/4560-40-0x00007FFF4CF00000-0x00007FFF4D041000-memory.dmp
memory/4560-2-0x00007FFF4CF00000-0x00007FFF4D041000-memory.dmp