General
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Target
8f97eb2df456d28ee41287a456e01bae_JaffaCakes118
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Size
424KB
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Sample
240602-1192psgg21
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MD5
8f97eb2df456d28ee41287a456e01bae
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SHA1
4d6b5fe7a1dd84dfe294e14faac4fa88ecce7d56
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SHA256
5b3bb704b4a56c14d0b238053ce048a7b748ff2e0c083190d55b190b844bf341
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SHA512
5072d72e42fcfedd8a557efebe9e5fe7599a1e3bb438e76bb9f2d6cb51c3259c445651cc2dec208a9ed22202fe5b780e300fa1a002e55237ed05cfdf1bd573af
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SSDEEP
12288:qqEXeMVG+C7QP2sFZ1u2iW4ZJSPhgYblCJxfS6:vEXeCG+uOLFDId2PhggOR1
Static task
static1
Behavioral task
behavioral1
Sample
8f97eb2df456d28ee41287a456e01bae_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
8f97eb2df456d28ee41287a456e01bae_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+fmied.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D665921845ACC55
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D665921845ACC55
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/D665921845ACC55
http://xlowfznrg4wf7dli.ONION/D665921845ACC55
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+jmbck.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/37B9F725C324EAA7
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/37B9F725C324EAA7
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/37B9F725C324EAA7
http://xlowfznrg4wf7dli.ONION/37B9F725C324EAA7
Targets
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Target
8f97eb2df456d28ee41287a456e01bae_JaffaCakes118
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Size
424KB
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MD5
8f97eb2df456d28ee41287a456e01bae
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SHA1
4d6b5fe7a1dd84dfe294e14faac4fa88ecce7d56
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SHA256
5b3bb704b4a56c14d0b238053ce048a7b748ff2e0c083190d55b190b844bf341
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SHA512
5072d72e42fcfedd8a557efebe9e5fe7599a1e3bb438e76bb9f2d6cb51c3259c445651cc2dec208a9ed22202fe5b780e300fa1a002e55237ed05cfdf1bd573af
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SSDEEP
12288:qqEXeMVG+C7QP2sFZ1u2iW4ZJSPhgYblCJxfS6:vEXeCG+uOLFDId2PhggOR1
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (416) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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