General
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Target
f296876ebba9dbd1085b55b219b3e869_JaffaCakes118
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Size
384KB
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Sample
240923-s5vhta1bqn
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MD5
f296876ebba9dbd1085b55b219b3e869
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SHA1
d9ddcb36580ccee4687b5efcb8c7d6a3bdbc7703
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SHA256
1506227b3ca0429e22ae401eed7eea7b7eedb4a50f80d496bfb0a93c50c13d5b
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SHA512
9b0942e8f993faf6d18689bab8ae368b2da5eedee1bee0acdfd5f9444bc15027d447fc8ae72989ee52f58771865907ece85d32a6a312b5a9c7fe70b4db0d0e4d
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SSDEEP
6144:HQMHIy84D4yxhkLAlsC+erjEU0R+f5DerHWQL1ZFGjg0AWO5rGMlukVt45yl07gc:HWF4D4YkE+ugTk6TQBABNKkVtEyl/
Static task
static1
Behavioral task
behavioral1
Sample
f296876ebba9dbd1085b55b219b3e869_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
f296876ebba9dbd1085b55b219b3e869_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+omtch.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E3116616D12D8F3
http://kkd47eh4hdjshb5t.angortra.at/E3116616D12D8F3
http://ytrest84y5i456hghadefdsd.pontogrot.com/E3116616D12D8F3
http://xlowfznrg4wf7dli.ONION/E3116616D12D8F3
Extracted
C:\Program Files\7-Zip\Lang\Recovery+smtwb.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/5414880CDDAB060
http://kkd47eh4hdjshb5t.angortra.at/5414880CDDAB060
http://ytrest84y5i456hghadefdsd.pontogrot.com/5414880CDDAB060
http://xlowfznrg4wf7dli.ONION/5414880CDDAB060
Targets
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Target
f296876ebba9dbd1085b55b219b3e869_JaffaCakes118
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Size
384KB
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MD5
f296876ebba9dbd1085b55b219b3e869
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SHA1
d9ddcb36580ccee4687b5efcb8c7d6a3bdbc7703
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SHA256
1506227b3ca0429e22ae401eed7eea7b7eedb4a50f80d496bfb0a93c50c13d5b
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SHA512
9b0942e8f993faf6d18689bab8ae368b2da5eedee1bee0acdfd5f9444bc15027d447fc8ae72989ee52f58771865907ece85d32a6a312b5a9c7fe70b4db0d0e4d
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SSDEEP
6144:HQMHIy84D4yxhkLAlsC+erjEU0R+f5DerHWQL1ZFGjg0AWO5rGMlukVt45yl07gc:HWF4D4YkE+ugTk6TQBABNKkVtEyl/
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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 (390) 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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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1