General
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Target
adef96848ae6e61ed0d3782f6711239b_JaffaCakes118
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Size
384KB
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Sample
240615-l8nq4swhkc
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MD5
adef96848ae6e61ed0d3782f6711239b
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SHA1
581aaca2d5fafadef12a0ad1556d7e149a71da50
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SHA256
36f910cf4a63afa86b711c14d4aecca3f4887232ba341d7581a0e5baa0fd916c
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SHA512
4860fe56a5dc55087a8e152d5b4d87f00941721d2ae2787e6e3bc6b79db5df228537d66d2750f95aab6d0ab685c28a51e223141bb3256bc91fc89abb2e4a7d94
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SSDEEP
6144:FtguKU1XD9oEmWMF6L2IzjAqXuxoaqHwdfOUavNJ3en9THb3IA/OYILI:kuRBoOc4js11GUfVsNJ3entMAWp
Static task
static1
Behavioral task
behavioral1
Sample
adef96848ae6e61ed0d3782f6711239b_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
adef96848ae6e61ed0d3782f6711239b_JaffaCakes118.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+ghnsc.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/8BF4DD7AEFDE425
http://tes543berda73i48fsdfsd.keratadze.at/8BF4DD7AEFDE425
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8BF4DD7AEFDE425
http://xlowfznrg4wf7dli.ONION/8BF4DD7AEFDE425
Extracted
C:\Program Files\7-Zip\Lang\Recovery+mthqd.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/6DC472B792A4CAA5
http://tes543berda73i48fsdfsd.keratadze.at/6DC472B792A4CAA5
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6DC472B792A4CAA5
http://xlowfznrg4wf7dli.ONION/6DC472B792A4CAA5
Targets
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Target
adef96848ae6e61ed0d3782f6711239b_JaffaCakes118
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Size
384KB
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MD5
adef96848ae6e61ed0d3782f6711239b
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SHA1
581aaca2d5fafadef12a0ad1556d7e149a71da50
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SHA256
36f910cf4a63afa86b711c14d4aecca3f4887232ba341d7581a0e5baa0fd916c
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SHA512
4860fe56a5dc55087a8e152d5b4d87f00941721d2ae2787e6e3bc6b79db5df228537d66d2750f95aab6d0ab685c28a51e223141bb3256bc91fc89abb2e4a7d94
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SSDEEP
6144:FtguKU1XD9oEmWMF6L2IzjAqXuxoaqHwdfOUavNJ3en9THb3IA/OYILI:kuRBoOc4js11GUfVsNJ3entMAWp
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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 (409) 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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Suspicious use of SetThreadContext
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