Analysis
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max time kernel
145s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
29/11/2024, 09:47
Behavioral task
behavioral1
Sample
b06adf0b7cc598876491df473642b799_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
b06adf0b7cc598876491df473642b799_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
b06adf0b7cc598876491df473642b799_JaffaCakes118.exe
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Size
273KB
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MD5
b06adf0b7cc598876491df473642b799
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SHA1
2d5b22109e4c63d4d413d6910cde0e501b7408da
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SHA256
af6d59f54e679ae2adeeccac25fc1af47beb8c4e974acb3908c1ff7396a495eb
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SHA512
9af08101ceb9b8059849bdf67a07fba83571051eb33db42e1a5e13391e1cae38e2f249cbd7d1ad900dfbc9dc484172790caa679b22d4c78a52507194f4ec01b2
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SSDEEP
6144:tG377xS2Vp2CeiorXdwTBgWx4b53upcCJJvHS:Qr7xS2Vp6RwTyCfbJJvHS
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 16 IoCs
resource yara_rule behavioral1/files/0x000b000000012280-4.dat modiloader_stage2 behavioral1/memory/596-6-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-16-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-19-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-22-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-25-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-28-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-31-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-34-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-37-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-40-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-43-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-46-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-49-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-52-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 behavioral1/memory/2052-55-0x0000000000400000-0x000000000044C000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 2052 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2052 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 b06adf0b7cc598876491df473642b799_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 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe b06adf0b7cc598876491df473642b799_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe b06adf0b7cc598876491df473642b799_JaffaCakes118.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.exe -
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 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 596 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe Token: SeDebugPrivilege 2052 mstwain32.exe Token: SeDebugPrivilege 2052 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2052 mstwain32.exe 2052 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 596 wrote to memory of 2052 596 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe 30 PID 596 wrote to memory of 2052 596 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe 30 PID 596 wrote to memory of 2052 596 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe 30 PID 596 wrote to memory of 2052 596 b06adf0b7cc598876491df473642b799_JaffaCakes118.exe 30 -
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\b06adf0b7cc598876491df473642b799_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b06adf0b7cc598876491df473642b799_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 WriteProcessMemory
PID:596 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\b06adf0b7cc598876491df473642b799_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:2052
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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
273KB
MD5b06adf0b7cc598876491df473642b799
SHA12d5b22109e4c63d4d413d6910cde0e501b7408da
SHA256af6d59f54e679ae2adeeccac25fc1af47beb8c4e974acb3908c1ff7396a495eb
SHA5129af08101ceb9b8059849bdf67a07fba83571051eb33db42e1a5e13391e1cae38e2f249cbd7d1ad900dfbc9dc484172790caa679b22d4c78a52507194f4ec01b2