Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
30/03/2025, 09:05
General
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Target
JaffaCakes118_98731fd20df479461331d31578936170.exe
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Size
145KB
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MD5
98731fd20df479461331d31578936170
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SHA1
ceafe385dfeb4bae51321d35212019ca482de000
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SHA256
3a447fbfea0c0752c483aa6618853c69ffa1923af47c53e161c0332879adde81
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SHA512
e1a7520009eb30a21f2e35e457d8a18b50b4d08eb9a0377734794e18adf889f1d93ed84b90c58a4b898b47d2da6befe9256254495ffd1e3c31902f0dd55a3a6f
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SSDEEP
3072:l+XGH9gsWxJ469QwS9yOYytFhpd1GsItM2AsZtBRQx3qF:wlsW9QCyDhpdMsHuK
Malware Config
Extracted
metasploit
encoder/fnstenv_mov
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Deletes itself 1 IoCs
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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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.
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Drops file in System32 directory 2 IoCs
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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.
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Modifies registry class 3 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98731fd20df479461331d31578936170.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98731fd20df479461331d31578936170.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE >> NUL2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
364KB
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Filesize
192KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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8KB
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4KB
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4KB
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4KB
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Filesize
4KB
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Filesize
192KB
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Filesize
4KB
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Filesize
4KB
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Filesize
364KB
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Filesize
4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
364KB
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Filesize
192KB