Analysis
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max time kernel
146s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 01:43
Static task
static1
Behavioral task
behavioral1
Sample
91dca0b8307d539333644a88ef538818_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
91dca0b8307d539333644a88ef538818_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
91dca0b8307d539333644a88ef538818_JaffaCakes118.exe
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Size
523KB
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MD5
91dca0b8307d539333644a88ef538818
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SHA1
254bd77afdc7f5ffed927a07a8a8c8652efb6c67
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SHA256
06bf07e9d9c219bd9fb325c3b9a205b9346a3b1c36d65646f31b0f84e136b7a2
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SHA512
9bb021b247f84bfaf07cda4b9db15529f5b3ee6cf5370dd279a4a42e4e232f970b097ff3d88f1f148461fdf6809c9b312bb95b8c6369ccd3967ba843be71eb27
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SSDEEP
12288:oaKX/poYW/6Nrv3RxmVMF3Z4mxxIJ3YSiikCp4K7W:5KxLrfmVMQmXIipCpzW
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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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\System32\\userinit.exe,\"C:\\Users\\Admin\\Favorites\\netservice.exe\"un userinit.exe" 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe -
Modiloader family
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ModiLoader Second Stage 9 IoCs
resource yara_rule behavioral2/memory/3144-73-0x0000000013140000-0x0000000013279000-memory.dmp modiloader_stage2 behavioral2/memory/4288-80-0x0000000013140000-0x0000000013279000-memory.dmp modiloader_stage2 behavioral2/files/0x0009000000023ba4-85.dat modiloader_stage2 behavioral2/memory/3144-88-0x0000000013140000-0x0000000013279000-memory.dmp modiloader_stage2 behavioral2/memory/4288-83-0x0000000013140000-0x0000000013279000-memory.dmp modiloader_stage2 behavioral2/memory/788-89-0x0000000000400000-0x0000000000468000-memory.dmp modiloader_stage2 behavioral2/memory/788-91-0x0000000000400000-0x0000000000468000-memory.dmp modiloader_stage2 behavioral2/memory/788-93-0x0000000000400000-0x0000000000468000-memory.dmp modiloader_stage2 behavioral2/memory/788-95-0x0000000000400000-0x0000000000468000-memory.dmp modiloader_stage2 -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\netrt\Parameters\ServiceDll = "C:\\Windows\\System32\\sysn.dll" 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4288 netservice.exe -
Loads dropped DLL 1 IoCs
pid Process 788 svchost.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysn.dll 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\sysn.dll 91dca0b8307d539333644a88ef538818_JaffaCakes118.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 5 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 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netservice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3144 wrote to memory of 4288 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 83 PID 3144 wrote to memory of 4288 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 83 PID 3144 wrote to memory of 4288 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 83 PID 3144 wrote to memory of 3268 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 84 PID 3144 wrote to memory of 3268 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 84 PID 3144 wrote to memory of 3268 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 84 PID 3144 wrote to memory of 3540 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 87 PID 3144 wrote to memory of 3540 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 87 PID 3144 wrote to memory of 3540 3144 91dca0b8307d539333644a88ef538818_JaffaCakes118.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\91dca0b8307d539333644a88ef538818_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\91dca0b8307d539333644a88ef538818_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Users\Admin\Favorites\netservice.exeC:\Users\Admin\Favorites\netservice.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4288
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C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Local\Temp\91dca0b8307d539333644a88ef538818_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3268
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C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Local\Temp\91dca0b8307d539333644a88ef538818_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3540
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k network1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:788
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
523KB
MD591dca0b8307d539333644a88ef538818
SHA1254bd77afdc7f5ffed927a07a8a8c8652efb6c67
SHA25606bf07e9d9c219bd9fb325c3b9a205b9346a3b1c36d65646f31b0f84e136b7a2
SHA5129bb021b247f84bfaf07cda4b9db15529f5b3ee6cf5370dd279a4a42e4e232f970b097ff3d88f1f148461fdf6809c9b312bb95b8c6369ccd3967ba843be71eb27
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Filesize
393KB
MD551ce9d0ba81719576e8db8d9a692322a
SHA1a7dbaa43df003658beb71560a0be63494ba29777
SHA2560927ba82f435fcd4f15256092f5f4e730ef713e01c904dbc9b36e4ef6ec92422
SHA5124bd15ba0b19a85f6dac1014704648d67e55176572bfa71c12d91e7771b68a53ef2e8b4a4c662ed86d7fc900891ecce3125d5fd15dd3cc2f9786d570579228cfc