Analysis
-
max time kernel
144s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-12-2024 18:16
Static task
static1
Behavioral task
behavioral1
Sample
e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
-
Target
e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe
-
Size
616KB
-
MD5
e7aa2e8db50feb7fefed4cc7e4bf3857
-
SHA1
b487ec0d299893de79d5af0d01d68373448eb2ee
-
SHA256
abe80b9c5f49e09d144924bac4b0749c4baff115b03fdd92714b73dfb9a5b8ca
-
SHA512
98ae9fc26108b13aa9dfc434cbc09a7745143eb92e2c4286265502ddfe50949921627310c0fc8e573f3e8f784a9df6a3652f69997a75bb4ae22879a093c8b1aa
-
SSDEEP
12288:ku6fLjX3IcDTDlw4SsYOxIxwd0sKDvubuQdQOnDRavTsIvREP:kBjX3IiDl3SitqYkOnDuAIvREP
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 17 IoCs
resource yara_rule behavioral1/memory/2340-16-0x0000000000401000-0x000000000041C000-memory.dmp modiloader_stage2 behavioral1/memory/2340-28-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-40-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-43-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-44-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-47-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-50-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-53-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-57-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-60-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-63-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-66-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-69-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-72-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-75-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-78-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 behavioral1/memory/1288-81-0x0000000000400000-0x00000000004DF000-memory.dmp modiloader_stage2 -
Executes dropped EXE 2 IoCs
pid Process 2340 SSSSSS~1.EXE 1288 mstwain32.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine SSSSSS~1.EXE Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 2340 SSSSSS~1.EXE 2340 SSSSSS~1.EXE -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SSSSSS~1.EXE Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe SSSSSS~1.EXE File opened for modification C:\Windows\mstwain32.exe SSSSSS~1.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SSSSSS~1.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2340 SSSSSS~1.EXE Token: SeBackupPrivilege 2728 vssvc.exe Token: SeRestorePrivilege 2728 vssvc.exe Token: SeAuditPrivilege 2728 vssvc.exe Token: SeDebugPrivilege 1288 mstwain32.exe Token: SeDebugPrivilege 1288 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2340 SSSSSS~1.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1288 mstwain32.exe 1288 mstwain32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 1920 wrote to memory of 2340 1920 e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe 31 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 PID 2340 wrote to memory of 1288 2340 SSSSSS~1.EXE 35 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e7aa2e8db50feb7fefed4cc7e4bf3857_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SSSSSS~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SSSSSS~1.EXE2⤵
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SSSSSS~1.EXE"3⤵
- UAC bypass
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1288
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2728
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
715KB
MD53f5046a702ba64f2da2121f15ba0d4b8
SHA14b04f02c42a15b6912fc408b472276b0c4fa6b2f
SHA25633c96c976892e401e845938e92efc2491fdf11f6c7e621d1945982037054e75f
SHA51289febf9291fa2774505c4e5ff87be86f05053db0ff5fd36bc404b308c0ceab5b7d2835103b60cda9cfadc2b61369d50925c8d5e057e5d13260c245abea9f20f8