General
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Target
d35c98321d2f87f089b7d5c26174a10b_JaffaCakes118
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Size
340KB
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Sample
241207-yqhtcswlhp
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MD5
d35c98321d2f87f089b7d5c26174a10b
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SHA1
2d7f432514ba316ecec7a8f372d0a75cb32f8fc0
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SHA256
2d8e7d0a895c13a1d012b25b069a528481cd0d3c91b74689c61299f3b5a55232
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SHA512
a467e624af472a2dc240dc325bef21b4dd435315dd765e9afd6f4134bd1c2482d23072e2057cc9ef60e9aad9107f6985bdacde3c92f0d68601b44ebf9990c40d
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SSDEEP
6144:DrHbGlBfoXKBA4pOoGf75hK7d/X/CMmm/2ikfOmvA2CxjSJgE0ToC8uUsYEF7u2K:f7GliXAOJf75YtPhxd3dRMkz8rG4
Static task
static1
Behavioral task
behavioral1
Sample
d35c98321d2f87f089b7d5c26174a10b_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d35c98321d2f87f089b7d5c26174a10b_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+riixv.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/DF629518642E313
http://tes543berda73i48fsdfsd.keratadze.at/DF629518642E313
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/DF629518642E313
http://xlowfznrg4wf7dli.ONION/DF629518642E313
Extracted
C:\Program Files\7-Zip\Lang\Recovery+rooqs.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/C1B4B0727CCC24D
http://tes543berda73i48fsdfsd.keratadze.at/C1B4B0727CCC24D
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/C1B4B0727CCC24D
http://xlowfznrg4wf7dli.ONION/C1B4B0727CCC24D
Targets
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Target
d35c98321d2f87f089b7d5c26174a10b_JaffaCakes118
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Size
340KB
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MD5
d35c98321d2f87f089b7d5c26174a10b
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SHA1
2d7f432514ba316ecec7a8f372d0a75cb32f8fc0
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SHA256
2d8e7d0a895c13a1d012b25b069a528481cd0d3c91b74689c61299f3b5a55232
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SHA512
a467e624af472a2dc240dc325bef21b4dd435315dd765e9afd6f4134bd1c2482d23072e2057cc9ef60e9aad9107f6985bdacde3c92f0d68601b44ebf9990c40d
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SSDEEP
6144:DrHbGlBfoXKBA4pOoGf75hK7d/X/CMmm/2ikfOmvA2CxjSJgE0ToC8uUsYEF7u2K:f7GliXAOJf75YtPhxd3dRMkz8rG4
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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 (426) 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