General
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Target
0d3571a8ca8ef2fede9e3e11b8761582_JaffaCakes118
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Size
368KB
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Sample
241003-bcztdswdjj
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MD5
0d3571a8ca8ef2fede9e3e11b8761582
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SHA1
f2b0416e2afe93050816f62646ecae6080a9e559
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SHA256
543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb
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SHA512
1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c
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SSDEEP
6144:lysifNvmGSKiUuyWvY1ZEYVG3I825tkB9GqlzXwOwNM5s8Fy:8BQUuy6kP5tU1lzXwBqbs
Static task
static1
Behavioral task
behavioral1
Sample
0d3571a8ca8ef2fede9e3e11b8761582_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
0d3571a8ca8ef2fede9e3e11b8761582_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+nxuux.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/ABFC79646CF63FA
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/ABFC79646CF63FA
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/ABFC79646CF63FA
http://xlowfznrg4wf7dli.ONION/ABFC79646CF63FA
Extracted
C:\Program Files\7-Zip\Lang\_RECoVERY_+rfaah.txt
teslacrypt
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8B209C3EB36837C
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8B209C3EB36837C
http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/8B209C3EB36837C
http://xlowfznrg4wf7dli.ONION/8B209C3EB36837C
Targets
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Target
0d3571a8ca8ef2fede9e3e11b8761582_JaffaCakes118
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Size
368KB
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MD5
0d3571a8ca8ef2fede9e3e11b8761582
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SHA1
f2b0416e2afe93050816f62646ecae6080a9e559
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SHA256
543144026b1a0c1bbfea07c5af4b9e5654c6eb3416f7ac70d676c6c8682bacbb
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SHA512
1474d517cf92cd4dcec62bb656ae918f383fd4e146dd951c9613e7cb300870e32606c3607872bb17d84e2de5c13d23bf51bc16e8f2f576acd4bae9fe3e2b661c
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SSDEEP
6144:lysifNvmGSKiUuyWvY1ZEYVG3I825tkB9GqlzXwOwNM5s8Fy:8BQUuy6kP5tU1lzXwBqbs
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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 (418) 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