General
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Target
87731031fc89b5e3505a47298d2cc968_JaffaCakes118
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Size
25KB
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Sample
240531-sntj7ach87
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MD5
87731031fc89b5e3505a47298d2cc968
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SHA1
3de11783a9e0f2836a00a0e8085fb63133ff388f
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SHA256
29c99eba250489aa489a52aaafa30f567bfe5ae304e68dd045e96d084775333b
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SHA512
29decb91ee2c4187de6a25acd8c69d7cc8d3d38e2c1a831b05479f1f34c4664f845ed4415b5729cd73d6854c7fa3b5089503f7997b9f548f7c45c15f08556900
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SSDEEP
768:S0FmBkpKjPYpfJ88l7HOo47SaUzykFT2Rv:SOhFJ84Oo0yh8v
Behavioral task
behavioral1
Sample
87731031fc89b5e3505a47298d2cc968_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
87731031fc89b5e3505a47298d2cc968_JaffaCakes118.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\HOW TO DECRYPT FILES.txt
3J1MD7EAzdaYeWBDA71t7NShkC64W4a41T
Targets
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Target
87731031fc89b5e3505a47298d2cc968_JaffaCakes118
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Size
25KB
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MD5
87731031fc89b5e3505a47298d2cc968
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SHA1
3de11783a9e0f2836a00a0e8085fb63133ff388f
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SHA256
29c99eba250489aa489a52aaafa30f567bfe5ae304e68dd045e96d084775333b
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SHA512
29decb91ee2c4187de6a25acd8c69d7cc8d3d38e2c1a831b05479f1f34c4664f845ed4415b5729cd73d6854c7fa3b5089503f7997b9f548f7c45c15f08556900
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SSDEEP
768:S0FmBkpKjPYpfJ88l7HOo47SaUzykFT2Rv:SOhFJ84Oo0yh8v
Score10/10-
Renames multiple (9072) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.
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Modifies Installed Components in the registry
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Drops startup file
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Adds Run key to start application
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Drops desktop.ini file(s)
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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