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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 01:22
Behavioral task
behavioral1
Sample
dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe
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Size
13KB
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MD5
dd667a64cd7694b410e9a5a1d4a6fdb1
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SHA1
1a3e102adbf979927caa1c5a5cb3a3bc617e450b
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SHA256
646bf1a02ad3b8e2b99ae060afd8f1df079f09a6cf0fcae287fae18d88085b05
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SHA512
73f0ecd2ebcb5ca3991cea662be83a107174fccc5c883b3d1c6007ae93418c649714bc87aa2fae47b7c2752ee0e3f2268ef31d12959f46f72ac344410f7e4129
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SSDEEP
384:IhWw8KGaw0dvcZTGdAb09nYV/wgWI0l4+:IhWwR5w0dElG2ba1gWD
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Executes dropped EXE 1 IoCs
pid Process 440 zesttnsk.exe -
resource yara_rule behavioral2/memory/4072-0-0x0000000000400000-0x000000000040F000-memory.dmp upx behavioral2/files/0x0002000000022d14-4.dat upx behavioral2/memory/4072-8-0x0000000000400000-0x000000000040F000-memory.dmp upx behavioral2/memory/440-11-0x0000000000400000-0x000000000040F000-memory.dmp upx -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\zesttns.dll dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe File created C:\Windows\SysWOW64\zesttnsk.exe dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\zesttnsk.exe dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zesttnsk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4072 wrote to memory of 440 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 91 PID 4072 wrote to memory of 440 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 91 PID 4072 wrote to memory of 440 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 91 PID 4072 wrote to memory of 2500 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 92 PID 4072 wrote to memory of 2500 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 92 PID 4072 wrote to memory of 2500 4072 dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\zesttnsk.exeC:\Windows\system32\zesttnsk.exe ˜‰2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:440
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\dd667a64cd7694b410e9a5a1d4a6fdb1_JaffaCakes118.exe.bat2⤵
- System Location Discovery: System Language Discovery
PID:2500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
210B
MD50468eb8ba17d3deddd9e5fe2bc01f815
SHA1519fb2543dc50dc9bcb3e44c167924c00f364dd4
SHA256ce44120cce3e95c6c100f7c5a2d00ac421ebdf2ab8ce3812932192bdcc8e3f97
SHA5127803a33c0d16fca366cca293d28896033e5c77992c3eb46db58c040e332b46d925736807120b1a19aef23023b0798447066236c3a329d6180f33d63b9e3184ef
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Filesize
13KB
MD5dd667a64cd7694b410e9a5a1d4a6fdb1
SHA11a3e102adbf979927caa1c5a5cb3a3bc617e450b
SHA256646bf1a02ad3b8e2b99ae060afd8f1df079f09a6cf0fcae287fae18d88085b05
SHA51273f0ecd2ebcb5ca3991cea662be83a107174fccc5c883b3d1c6007ae93418c649714bc87aa2fae47b7c2752ee0e3f2268ef31d12959f46f72ac344410f7e4129