General
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Target
3873e9c48611f30cdbdaae2351badd7b_JaffaCakes118
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Size
360KB
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Sample
241012-fatltaybnp
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MD5
3873e9c48611f30cdbdaae2351badd7b
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SHA1
ceeb0cb8b6e61cba268c2bf300736979e88ab491
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SHA256
a748becdb2c21697c7bdc39cb2bad24c3cb3ecb20e432b1878fa9f05bcb74b82
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SHA512
0ccfdf2e5cb5ed44ffb777e1c61ced77262145d6e93332a3dfac631b4999203e4ef8e3b6274bd4abd9a6de2ec8da1f1e90886be32ceac5b9214458ec6b84c369
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SSDEEP
6144:ZC7EO2S2Hu4uN6AOnToEN0lPBTEgFqE0tIjrUB4UKBIkvc2RRVIZd:ZwD2SEuN6pc3PBwxE0Ojox6Ioc2RRVIf
Static task
static1
Behavioral task
behavioral1
Sample
3873e9c48611f30cdbdaae2351badd7b_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
3873e9c48611f30cdbdaae2351badd7b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+nykvs.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A35D13E122CDD5B9
http://tes543berda73i48fsdfsd.keratadze.at/A35D13E122CDD5B9
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A35D13E122CDD5B9
http://xlowfznrg4wf7dli.ONION/A35D13E122CDD5B9
Targets
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Target
3873e9c48611f30cdbdaae2351badd7b_JaffaCakes118
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Size
360KB
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MD5
3873e9c48611f30cdbdaae2351badd7b
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SHA1
ceeb0cb8b6e61cba268c2bf300736979e88ab491
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SHA256
a748becdb2c21697c7bdc39cb2bad24c3cb3ecb20e432b1878fa9f05bcb74b82
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SHA512
0ccfdf2e5cb5ed44ffb777e1c61ced77262145d6e93332a3dfac631b4999203e4ef8e3b6274bd4abd9a6de2ec8da1f1e90886be32ceac5b9214458ec6b84c369
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SSDEEP
6144:ZC7EO2S2Hu4uN6AOnToEN0lPBTEgFqE0tIjrUB4UKBIkvc2RRVIZd:ZwD2SEuN6pc3PBwxE0Ojox6Ioc2RRVIf
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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 (430) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
2File Deletion
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1