General
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Target
fd1f075a3d1e23355b3d11eee0033a4a_JaffaCakes118
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Size
328KB
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Sample
241218-zyzmhs1qbz
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MD5
fd1f075a3d1e23355b3d11eee0033a4a
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SHA1
de2fc8f931ee4807cfe33fe21423818d38480f49
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SHA256
36732c7840d2cff5a1759b97f63777493f4b5a43304ab9cd0cb21c94806832a2
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SHA512
6724ca14ae693b782f27417c43a1a0d39654fc52ff16461c6bd6faf68c99cf611f80106e1831402af5c668b0f2b9ca2220f5a07e0a982d329ffcdf3585f84dbf
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SSDEEP
6144:bTZlzC2Ena1wjOud9vy9672m/kkI1Nf7fbBL0pjnthRKUFQjX31kAeKv1:/XzC2Ca1wjOh967x/7I1F9K1AX3HeK9
Static task
static1
Behavioral task
behavioral1
Sample
fd1f075a3d1e23355b3d11eee0033a4a_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
fd1f075a3d1e23355b3d11eee0033a4a_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+qdhwn.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E51D8A84C234E867
http://kkd47eh4hdjshb5t.angortra.at/E51D8A84C234E867
http://ytrest84y5i456hghadefdsd.pontogrot.com/E51D8A84C234E867
http://xlowfznrg4wf7dli.ONION/E51D8A84C234E867
Extracted
C:\Program Files\7-Zip\Lang\Recovery+oepex.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/9262D41CD58223C
http://kkd47eh4hdjshb5t.angortra.at/9262D41CD58223C
http://ytrest84y5i456hghadefdsd.pontogrot.com/9262D41CD58223C
http://xlowfznrg4wf7dli.ONION/9262D41CD58223C
Targets
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Target
fd1f075a3d1e23355b3d11eee0033a4a_JaffaCakes118
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Size
328KB
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MD5
fd1f075a3d1e23355b3d11eee0033a4a
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SHA1
de2fc8f931ee4807cfe33fe21423818d38480f49
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SHA256
36732c7840d2cff5a1759b97f63777493f4b5a43304ab9cd0cb21c94806832a2
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SHA512
6724ca14ae693b782f27417c43a1a0d39654fc52ff16461c6bd6faf68c99cf611f80106e1831402af5c668b0f2b9ca2220f5a07e0a982d329ffcdf3585f84dbf
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SSDEEP
6144:bTZlzC2Ena1wjOud9vy9672m/kkI1Nf7fbBL0pjnthRKUFQjX31kAeKv1:/XzC2Ca1wjOh967x/7I1F9K1AX3HeK9
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Teslacrypt family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (377) 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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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