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Analysis
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max time kernel
146s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26/09/2024, 23:07
Behavioral task
behavioral1
Sample
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe
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Size
131KB
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MD5
f95020cbfd3dec3e3a7cb5508afb99f0
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SHA1
23f4c76cb205089652162c5e8995808bdf9dd9e4
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SHA256
855f5dd00d666d3c0c4392e4ce8b0280a91fd5fd12464f940d4e6d2bf4030d0c
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SHA512
6bb569ec1586e87a34d83ef35af99ba13f4b36be0aa5bb2b5c132a12796144abfc0bd531a52691314b2a3d12d4ab1578dc1e73d45c8226f178e0046ce509cc10
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SSDEEP
3072:T1+MJKrUnFYY5z1i0Nmbi5fJBNlyYE8E3qTDbj:xIrPj0NmWtNlyZ8Dbj
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 17 IoCs
resource yara_rule behavioral1/memory/2884-15-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-24-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-25-0x0000000077710000-0x0000000077800000-memory.dmp modiloader_stage2 behavioral1/memory/3048-26-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-30-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-33-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-36-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-39-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-43-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-46-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-49-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-52-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-55-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-58-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-61-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-64-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 behavioral1/memory/3048-67-0x0000000000400000-0x0000000000456000-memory.dmp modiloader_stage2 -
Deletes itself 1 IoCs
pid Process 3048 mstwain32.exe -
Executes dropped EXE 1 IoCs
pid Process 3048 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\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 f95020cbfd3dec3e3a7cb5508afb99f0_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/2884-0-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/files/0x00060000000055d8-8.dat upx behavioral1/memory/2884-15-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-24-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-26-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-30-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-33-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-36-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-39-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-43-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-46-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-49-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-52-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-55-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-58-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-61-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-64-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/3048-67-0x0000000000400000-0x0000000000456000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\cmsetac.dll mstwain32.exe File created C:\Windows\mstwain32.exe f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe File opened for modification C:\Windows\mstwain32.exe f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe File created C:\Windows\ntdtcstp.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 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe Token: SeBackupPrivilege 2016 vssvc.exe Token: SeRestorePrivilege 2016 vssvc.exe Token: SeAuditPrivilege 2016 vssvc.exe Token: SeDebugPrivilege 3048 mstwain32.exe Token: SeDebugPrivilege 3048 mstwain32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3048 mstwain32.exe 3048 mstwain32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2884 wrote to memory of 3048 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 33 PID 2884 wrote to memory of 3048 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 33 PID 2884 wrote to memory of 3048 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 33 PID 2884 wrote to memory of 3048 2884 f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe 33 -
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\f95020cbfd3dec3e3a7cb5508afb99f0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f95020cbfd3dec3e3a7cb5508afb99f0_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:2884 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f95020cbfd3dec3e3a7cb5508afb99f0_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:3048
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2016
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
131KB
MD5f95020cbfd3dec3e3a7cb5508afb99f0
SHA123f4c76cb205089652162c5e8995808bdf9dd9e4
SHA256855f5dd00d666d3c0c4392e4ce8b0280a91fd5fd12464f940d4e6d2bf4030d0c
SHA5126bb569ec1586e87a34d83ef35af99ba13f4b36be0aa5bb2b5c132a12796144abfc0bd531a52691314b2a3d12d4ab1578dc1e73d45c8226f178e0046ce509cc10