General
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Target
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe
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Size
376KB
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Sample
241203-lr2awavqar
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MD5
b09aca00a8dcded70eeac6ec2b497e60
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SHA1
9247ba9335b88b4fc1d8febed66e92e4aad8317c
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SHA256
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29
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SHA512
f3c2a80cb592a721f454773f8aed5ba09b96641325effaa92821be9a3d80e99522100610c10ce9d4dd8ab97a60f182b9e9a3a7d1dd18505658858dcb30ccef02
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SSDEEP
6144:J+lMnaN9yLmfyoZjcbxstF8cIxnTYI4LVmKJ7t2AQeRi:8TN9xyomFstF8conTCLVzTZRi
Static task
static1
Behavioral task
behavioral1
Sample
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+miyxn.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/4CC9B02651C6148
http://tes543berda73i48fsdfsd.keratadze.at/4CC9B02651C6148
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/4CC9B02651C6148
http://xlowfznrg4wf7dli.ONION/4CC9B02651C6148
Extracted
C:\Program Files\7-Zip\Lang\Recovery+khwmh.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/2DEAA8594E43CB47
http://tes543berda73i48fsdfsd.keratadze.at/2DEAA8594E43CB47
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/2DEAA8594E43CB47
http://xlowfznrg4wf7dli.ONION/2DEAA8594E43CB47
Targets
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Target
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29N.exe
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Size
376KB
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MD5
b09aca00a8dcded70eeac6ec2b497e60
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SHA1
9247ba9335b88b4fc1d8febed66e92e4aad8317c
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SHA256
b45ae8dabc0e3d299a47425c624d526ce6668728499307d77acb6266f4c4ae29
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SHA512
f3c2a80cb592a721f454773f8aed5ba09b96641325effaa92821be9a3d80e99522100610c10ce9d4dd8ab97a60f182b9e9a3a7d1dd18505658858dcb30ccef02
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SSDEEP
6144:J+lMnaN9yLmfyoZjcbxstF8cIxnTYI4LVmKJ7t2AQeRi:8TN9xyomFstF8conTCLVzTZRi
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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 (394) 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