General
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Target
65f583e82e837183c8962dfdbf5bdc35_JaffaCakes118
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Size
384KB
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Sample
241021-h51pqawekp
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MD5
65f583e82e837183c8962dfdbf5bdc35
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SHA1
5181731fa74f097de73d81ff347fe2fec634887a
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SHA256
1a4a1e76c6d2dc585ce77c9be7163163c0d614d5668a0c83601bb3d6f91376a0
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SHA512
827817ae552ebc95dd541d62cc04af0cb798bc33af3960153f403a945f1cb139129fa6e40cd09f359bbc673ac6c11118eeecf1a33790873a9c070bc487e24a43
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SSDEEP
6144:SzVGON09XRWtlggcMOEqmgWqvANwxcLSgL8J4bAvtqjPtW6wU25vB8ynNd98UW:pON09XotWgOfmgLA8cNYQAojtwU2xnv9
Static task
static1
Behavioral task
behavioral1
Sample
65f583e82e837183c8962dfdbf5bdc35_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
65f583e82e837183c8962dfdbf5bdc35_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+dpmtf.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/A07CFF8BC494239
http://tes543berda73i48fsdfsd.keratadze.at/A07CFF8BC494239
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/A07CFF8BC494239
http://xlowfznrg4wf7dli.ONION/A07CFF8BC494239
Extracted
C:\Program Files\7-Zip\Lang\Recovery+dbnry.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/8DD956EDAB2720F3
http://tes543berda73i48fsdfsd.keratadze.at/8DD956EDAB2720F3
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/8DD956EDAB2720F3
http://xlowfznrg4wf7dli.ONION/8DD956EDAB2720F3
Targets
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Target
65f583e82e837183c8962dfdbf5bdc35_JaffaCakes118
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Size
384KB
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MD5
65f583e82e837183c8962dfdbf5bdc35
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SHA1
5181731fa74f097de73d81ff347fe2fec634887a
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SHA256
1a4a1e76c6d2dc585ce77c9be7163163c0d614d5668a0c83601bb3d6f91376a0
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SHA512
827817ae552ebc95dd541d62cc04af0cb798bc33af3960153f403a945f1cb139129fa6e40cd09f359bbc673ac6c11118eeecf1a33790873a9c070bc487e24a43
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SSDEEP
6144:SzVGON09XRWtlggcMOEqmgWqvANwxcLSgL8J4bAvtqjPtW6wU25vB8ynNd98UW:pON09XotWgOfmgLA8cNYQAojtwU2xnv9
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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 (410) 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
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