Analysis
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max time kernel
143s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 16:45
Behavioral task
behavioral1
Sample
ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe
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Size
768KB
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MD5
ebc337ffe37839702f22e71a893d12c1
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SHA1
aa3f434e8dfc7f51d5a6d3ca3d51ba8c1ec54934
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SHA256
02c3b647c6cfa6ffb77e3c2b51f2bfba171d8e8556b1fb77c9907259190a6887
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SHA512
78bae753e2d3bd785ca0c85682899e7b626db78a36607232e60773b33aed3d986693050e106030fca0febeedf6e8d358a1a05a7713f5748725c5ad70407c544b
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SSDEEP
12288:cq0NxloSjdJyboa9oR/WyeNN4WOxOelra79eWJzPfww4dEBPeKq:cqOpd8YlWySqTOelK9ntwlEN
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 16 IoCs
resource yara_rule behavioral1/memory/1660-23-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-46-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-50-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-53-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-56-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-59-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-62-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-65-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-68-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-71-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-74-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-77-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-80-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-83-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-86-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 behavioral1/memory/2832-89-0x0000000000400000-0x0000000000521000-memory.dmp modiloader_stage2 -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion mstwain32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 2832 mstwain32.exe -
resource yara_rule behavioral1/memory/1660-0-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/files/0x000800000001707f-18.dat upx behavioral1/memory/1660-23-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-46-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-50-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-53-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-56-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-59-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-62-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-65-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-68-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-71-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-74-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-77-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-80-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-83-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-86-0x0000000000400000-0x0000000000521000-memory.dmp upx behavioral1/memory/2832-89-0x0000000000400000-0x0000000000521000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 mstwain32.exe 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 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\mstwain32.exe ebc337ffe37839702f22e71a893d12c1_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 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Modifies registry class 14 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\InprocServer32\ThreadingModel = "Both" ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\OMijLab = "@^YH[FNnHXjgddagSW}G|Fowts@" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\Gupjslm = "Qec~h`" mstwain32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\InprocServer32 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\pgirBdo = "UnfLW\\\\qDII_\\glLTG|}uuZmv" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\jAawe = "Gi|VF[xYsHHwhsmKKCI@TFP{@AkABWR" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\jAawe = "Gi\x7fVF[xYsHHwhsmKKCI@TFP{@MkABWR" mstwain32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C} ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\Gupjslm = "|Xcxw`" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\ = "IAVIStream & IAVIFile Proxy" ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\InprocServer32\ = "%SystemRoot%\\SysWow64\\avifil32.dll" ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\vPxzpfAgqvdli = "lJsHoH}GXEqSqS}uW{@}" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\AwtFccAucfGl = "cyg]kUW{mW`L|]pGKLP|D" mstwain32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACD6E398-A737-84D5-4C1A-A555EEE9852C}\OMijLab = "@^YH[FNnHXjgddagSW}G|Eowts@" mstwain32.exe -
NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\ProgramData\TEMP:4FA3D5EC mstwain32.exe File created C:\ProgramData\TEMP:4FA3D5EC mstwain32.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: 33 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Token: SeDebugPrivilege 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe Token: 33 2832 mstwain32.exe Token: SeIncBasePriorityPrivilege 2832 mstwain32.exe Token: SeDebugPrivilege 2832 mstwain32.exe Token: SeDebugPrivilege 2832 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2832 mstwain32.exe 2832 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1660 wrote to memory of 2832 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe 29 PID 1660 wrote to memory of 2832 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe 29 PID 1660 wrote to memory of 2832 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe 29 PID 1660 wrote to memory of 2832 1660 ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe 29 -
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\ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ebc337ffe37839702f22e71a893d12c1_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Checks BIOS information in registry
- 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
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2832
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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
768KB
MD5ebc337ffe37839702f22e71a893d12c1
SHA1aa3f434e8dfc7f51d5a6d3ca3d51ba8c1ec54934
SHA25602c3b647c6cfa6ffb77e3c2b51f2bfba171d8e8556b1fb77c9907259190a6887
SHA51278bae753e2d3bd785ca0c85682899e7b626db78a36607232e60773b33aed3d986693050e106030fca0febeedf6e8d358a1a05a7713f5748725c5ad70407c544b