Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/10/2024, 23:58
Behavioral task
behavioral1
Sample
4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe
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Size
870KB
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MD5
4fba9d0d60bd23cace72ce982cf9271c
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SHA1
a71d454ace0af57237db231a5526ab312557ad79
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SHA256
48cb8cb1863c4f22b851dab052da40c8b863f759094e5b469a2a9391e89c1204
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SHA512
b88de348aef5d292797a297cdb4050eec3d6d12dc2d26cf1da8368a6ebec30b3a6e25427642c17c5fa6789fc0b085e9a40edd2b75757c638844452759d1ae339
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SSDEEP
24576:XIN+LbdNU3MWM6TeGN28MTjCjeUDV1IL5vaeU:/w8N6TeY2APIdv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2540 defender.exe -
Loads dropped DLL 3 IoCs
pid Process 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Security Protection = "C:\\ProgramData\\defender.exe" defender.exe -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\J: defender.exe File opened (read-only) \??\O: defender.exe File opened (read-only) \??\S: defender.exe File opened (read-only) \??\Z: defender.exe File opened (read-only) \??\X: defender.exe File opened (read-only) \??\Y: defender.exe File opened (read-only) \??\E: defender.exe File opened (read-only) \??\M: defender.exe File opened (read-only) \??\N: defender.exe File opened (read-only) \??\Q: defender.exe File opened (read-only) \??\U: defender.exe File opened (read-only) \??\H: defender.exe File opened (read-only) \??\I: defender.exe File opened (read-only) \??\T: defender.exe File opened (read-only) \??\V: defender.exe File opened (read-only) \??\W: defender.exe File opened (read-only) \??\G: defender.exe File opened (read-only) \??\K: defender.exe File opened (read-only) \??\L: defender.exe File opened (read-only) \??\P: defender.exe File opened (read-only) \??\R: defender.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 defender.exe -
resource yara_rule behavioral1/memory/1704-0-0x0000000000400000-0x0000000000695000-memory.dmp upx behavioral1/files/0x0008000000015d41-11.dat upx behavioral1/memory/1704-22-0x0000000002DF0000-0x0000000003417000-memory.dmp upx behavioral1/memory/2540-24-0x0000000000400000-0x0000000000A27000-memory.dmp upx -
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 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language defender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe -
Suspicious use of FindShellTrayWindow 15 IoCs
pid Process 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe -
Suspicious use of SendNotifyMessage 15 IoCs
pid Process 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe 2540 defender.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2540 defender.exe 2540 defender.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1704 wrote to memory of 2540 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 30 PID 1704 wrote to memory of 2540 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 30 PID 1704 wrote to memory of 2540 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 30 PID 1704 wrote to memory of 2540 1704 4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4fba9d0d60bd23cace72ce982cf9271c_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\ProgramData\defender.exeC:\ProgramData\defender.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2540
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
821KB
MD59e23b23b3a4784cadc884fe2857aa6a9
SHA16dfc0ee1d0ff1e276bb00fa15ae9f486d0f0fceb
SHA2567c4b67077856a65e5c588f4ad651e349d5f361a9c056b3a0463414f355c068ac
SHA5128396de774eb4bc40985c338e5ef3f8260d67e10f8cf13b8b5af314e81b0f3dfc1ec59f5fe83016a20bcf8f7d84bb0b31da502214b2040a200e903bc22d41c14d