Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 22:04
Behavioral task
behavioral1
Sample
e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe
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Size
111KB
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MD5
e36bbad306fe79586a7c7dd27bc9b6b0
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SHA1
cc2495868a9061d38e3ff5801503d732a489742b
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SHA256
ebe9adcfa6e166a7281e1fb5e70e55f52f1c87b810977b9e7778198ea66a74c6
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SHA512
dc422fb3acc8d34098e37b143c6c81013efb9e9ae3fd4fd537212979033ae85e7dbe75d8fcdd5ef36f92c1677563bf4e5604f14e7c65199dd3b798bdf0f75392
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SSDEEP
3072:g1+MJKrUnFYY5z1i0Nmbi5fJBN226out:IIrPj0NmWtNWoS
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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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/1708-16-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-25-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-26-0x0000000075B50000-0x0000000075C40000-memory.dmp modiloader_stage2 behavioral1/memory/3028-27-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-31-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-34-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-37-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-40-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-44-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-47-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-50-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-53-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-56-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-59-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-62-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-65-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 behavioral1/memory/3028-68-0x0000000000400000-0x0000000000457000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 3028 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 3028 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process 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 Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
resource yara_rule behavioral1/memory/1708-0-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/1708-7-0x0000000003F50000-0x0000000003F60000-memory.dmp upx behavioral1/files/0x00060000000055d7-8.dat upx behavioral1/memory/1708-16-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/1708-12-0x0000000003F50000-0x0000000003FA7000-memory.dmp upx behavioral1/memory/3028-24-0x0000000075B50000-0x0000000075C40000-memory.dmp upx behavioral1/memory/3028-25-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-27-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-31-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-34-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-37-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-40-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-44-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-47-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-50-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-53-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-56-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-59-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-62-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-65-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/3028-68-0x0000000000400000-0x0000000000457000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe Token: SeBackupPrivilege 2692 vssvc.exe Token: SeRestorePrivilege 2692 vssvc.exe Token: SeAuditPrivilege 2692 vssvc.exe Token: SeDebugPrivilege 3028 mstwain32.exe Token: SeDebugPrivilege 3028 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3028 mstwain32.exe 3028 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1708 wrote to memory of 3028 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe 34 PID 1708 wrote to memory of 3028 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe 34 PID 1708 wrote to memory of 3028 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe 34 PID 1708 wrote to memory of 3028 1708 e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe 34 -
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
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C:\Users\Admin\AppData\Local\Temp\e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe"1⤵
- 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:1708 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e36bbad306fe79586a7c7dd27bc9b6b0_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- 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:3028
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2692
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
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
111KB
MD5e36bbad306fe79586a7c7dd27bc9b6b0
SHA1cc2495868a9061d38e3ff5801503d732a489742b
SHA256ebe9adcfa6e166a7281e1fb5e70e55f52f1c87b810977b9e7778198ea66a74c6
SHA512dc422fb3acc8d34098e37b143c6c81013efb9e9ae3fd4fd537212979033ae85e7dbe75d8fcdd5ef36f92c1677563bf4e5604f14e7c65199dd3b798bdf0f75392