Analysis
- max time kernel
133s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
05/10/2024, 03:32
General
- Target 15ff88418d079a260219d1bc7f8c528a_JaffaCakes118.exe
- Size 1.5MB
- Sample241005-d33zvashpm
- SHA256 cd0e83d7ecf53143afa640ee49905b8292169fa7e5eafad521718a303e302322
Malware Config
Extracted
-
nullmixer
-
http://marisana.xyz/
Extracted
-
smokeloader
-
pub6
Signatures
- Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
- NullMixer
NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- ASPack v2.12-2.42 4 IoCs
Detects executables packed with ASPack v2.12-2.42
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 9 IoCs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\15ff88418d079a260219d1bc7f8c528a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\15ff88418d079a260219d1bc7f8c528a_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS4FC179B7\setup_install.exe"C:\Users\Admin\AppData\Local\Temp\7zS4FC179B7\setup_install.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_1.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS4FC179B7\karotima_1.exekarotima_1.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c karotima_2.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7zS4FC179B7\karotima_2.exekarotima_2.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 3845⤵
- Program crash
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 5003⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2520 -ip 25201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1400 -ip 14001⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
karotima_1.txt
karotima_2.txt
libcurl.dll
libcurlpp.dll
libgcc_s_dw2-1.dll
libstdc++-6.dll
libwinpthread-1.dll
setup_install.exe
CC4F.tmp
memory/1400-84-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1400-82-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1400-77-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1400-75-0x0000000000480000-0x0000000000580000-memory.dmp
memory/1400-83-0x00000000005B0000-0x00000000005B9000-memory.dmp
memory/1400-76-0x00000000005B0000-0x00000000005B9000-memory.dmp
memory/2520-68-0x000000006EB40000-0x000000006EB63000-memory.dmp
memory/2520-46-0x000000006B440000-0x000000006B4CF000-memory.dmp
memory/2520-71-0x000000006B280000-0x000000006B2A6000-memory.dmp
memory/2520-73-0x0000000064940000-0x0000000064959000-memory.dmp
memory/2520-72-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-70-0x000000006B440000-0x000000006B4CF000-memory.dmp
memory/2520-69-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-57-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-55-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-52-0x000000006B280000-0x000000006B2A6000-memory.dmp
memory/2520-51-0x000000006B280000-0x000000006B2A6000-memory.dmp
memory/2520-50-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-49-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-48-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-47-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-56-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-45-0x000000006B440000-0x000000006B4CF000-memory.dmp
memory/2520-44-0x000000006B440000-0x000000006B4CF000-memory.dmp
memory/2520-53-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-42-0x0000000064940000-0x0000000064959000-memory.dmp
memory/2520-41-0x0000000064941000-0x000000006494F000-memory.dmp
memory/2520-40-0x000000006FE40000-0x000000006FFC6000-memory.dmp
memory/2520-58-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-54-0x0000000000400000-0x000000000051E000-memory.dmp
memory/2520-43-0x0000000064940000-0x0000000064959000-memory.dmp
memory/2520-34-0x0000000000ED0000-0x0000000000F5F000-memory.dmp
memory/2520-35-0x000000006B440000-0x000000006B4CF000-memory.dmp
memory/2520-32-0x000000006B280000-0x000000006B2A6000-memory.dmp
memory/2520-22-0x0000000000400000-0x000000000051E000-memory.dmp