General
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Target
local.exe
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Size
125KB
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Sample
230606-2cbpnsfh92
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MD5
98c7f6b6ddf6a01adb25457e9a3c52b8
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SHA1
8fe68e8675b53c801ed110e635e9a9e3d66c9d4d
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SHA256
de4c8cc850c5b70212aded154ec4f2ec0836b340397b0b912a0f1434d141a5c6
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SHA512
1393e9fcdf844f3c350b961e5bf2669c1739a09009746774cdbbabf6eee28f32d0782524fc57e0b7080eb57183ab38bc8bd83273dff02c67b9b4ba029fb7af67
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SSDEEP
3072:BA1LW6KAqdcKNzXjQopiuL5dmTPFtkFeZ5NlGj:BSRKAccKNzNpxL5dWPLJhg
Behavioral task
behavioral1
Sample
local.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
local.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
C:\Users\Admin\Music\How to decrypt files.txt
targetcompany
http://hye34tlszbt562z34d4k36eia2vq5tnhhd3mimrt5n5cdovbqnan3myd.onion/contact
Targets
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Target
local.exe
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Size
125KB
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MD5
98c7f6b6ddf6a01adb25457e9a3c52b8
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SHA1
8fe68e8675b53c801ed110e635e9a9e3d66c9d4d
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SHA256
de4c8cc850c5b70212aded154ec4f2ec0836b340397b0b912a0f1434d141a5c6
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SHA512
1393e9fcdf844f3c350b961e5bf2669c1739a09009746774cdbbabf6eee28f32d0782524fc57e0b7080eb57183ab38bc8bd83273dff02c67b9b4ba029fb7af67
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SSDEEP
3072:BA1LW6KAqdcKNzXjQopiuL5dmTPFtkFeZ5NlGj:BSRKAccKNzNpxL5dWPLJhg
Score10/10-
TargetCompany
Ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.
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Modifies boot configuration data using bcdedit
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Renames multiple (6824) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Renames multiple (6857) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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