Analysis
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max time kernel
140s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 10:26
Static task
static1
Behavioral task
behavioral1
Sample
ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe
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Size
120KB
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MD5
ef9814871e7248ce67c1d1dc05572881
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SHA1
4955674f35178def02968ace46302edabde04b35
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SHA256
975f95c9fdb1f510e00b84e7493662343051b668d40e28ba0c5a47261232315a
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SHA512
195f4d3151e6100d051493a447c85fee9606d772b362cd9319d006f2ae1c4148d6cc4b6670a4b6e245f300e522b19e570f3cb2498516dbeba76fbf26f5faca87
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SSDEEP
3072:WQeVnfurQcrn859z3gvBZhmbAKcRtZboxCMDiLz1:WQYfon859rg5/m4HiCDz
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 13 IoCs
resource yara_rule behavioral1/memory/1392-2-0x0000000000401000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1392-3-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/1392-16-0x0000000000401000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/1392-15-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-18-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-22-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-25-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-26-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-27-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-28-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-29-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-30-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 behavioral1/memory/2644-33-0x0000000000400000-0x000000000046A0CB-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 2644 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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 ef9814871e7248ce67c1d1dc05572881_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 -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\mstwain32.exe ef9814871e7248ce67c1d1dc05572881_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 mstwain32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe Token: SeDebugPrivilege 2644 mstwain32.exe Token: SeDebugPrivilege 2644 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2644 mstwain32.exe 2644 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1392 wrote to memory of 2644 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe 28 PID 1392 wrote to memory of 2644 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe 28 PID 1392 wrote to memory of 2644 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe 28 PID 1392 wrote to memory of 2644 1392 ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe 28 -
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
Processes
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C:\Users\Admin\AppData\Local\Temp\ef9814871e7248ce67c1d1dc05572881_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef9814871e7248ce67c1d1dc05572881_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:1392 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- 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:2644
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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
120KB
MD5ef9814871e7248ce67c1d1dc05572881
SHA14955674f35178def02968ace46302edabde04b35
SHA256975f95c9fdb1f510e00b84e7493662343051b668d40e28ba0c5a47261232315a
SHA512195f4d3151e6100d051493a447c85fee9606d772b362cd9319d006f2ae1c4148d6cc4b6670a4b6e245f300e522b19e570f3cb2498516dbeba76fbf26f5faca87