General
- Target KillCrypt_4801.exe
- Size 34.1MB
- Sample260908-km58lavyex
- SHA256 0057d67d2f5284f8f2fa7a35b21197043cfb01a7e9deaa3ea97cacd72d8879cc
- MD5 cffd22a13414cae86dd17bd944039e2d
- SHA1 af277b528bdc065ed94ee8584c0cc972c5d59e73
- SHA512 8bc88430fa69218001672bd551fc5253ff4aa51f264ebd9a5777cef023574daa91a430994c773923aa66001aa08b5177eed37daff07293ea1868f2b57db6c482
- SSDEEP 786432:mvUMOtBW8YvZ60h0V1QtI8OjTNGCgeNuCuAVbW8lMVbY/Eweyxsq3P:mvUMOtBWrhKDiI8K4cNPZVbWQeLq
- TLSH T11E773346B74308ACE4CD923AF2D4416736D2B5EB02A891CB5EE11D510FA72F9EF38E51
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
KillCrypt_4801.exe
Resource
win10v2004-20260513-en
7 signatures
900 seconds
Malware Config
Targets
-
- Target KillCrypt_4801.exe
- Size 34.1MB
- SHA256 0057d67d2f5284f8f2fa7a35b21197043cfb01a7e9deaa3ea97cacd72d8879cc
- MD5 cffd22a13414cae86dd17bd944039e2d
- SHA1 af277b528bdc065ed94ee8584c0cc972c5d59e73
- SHA512 8bc88430fa69218001672bd551fc5253ff4aa51f264ebd9a5777cef023574daa91a430994c773923aa66001aa08b5177eed37daff07293ea1868f2b57db6c482
- SSDEEP 786432:mvUMOtBW8YvZ60h0V1QtI8OjTNGCgeNuCuAVbW8lMVbY/Eweyxsq3P:mvUMOtBWrhKDiI8K4cNPZVbWQeLq
- TLSH T11E773346B74308ACE4CD923AF2D4416736D2B5EB02A891CB5EE11D510FA72F9EF38E51
- MD5 SHA1 SHA512 SSDEEP TLSH
Score9/10-
Renames multiple (395) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Loads dropped DLL
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
- Target .KillCrypt_Source_6496.pyc
- Size 32KB
- SHA256 089b636f14091177731392a2ed5db4ecd0fc4fd831a8ce0b65774537a455375f
- MD5 0f707f2aee429b17d1f7cbf36a4e78e5
- SHA1 264074f108eb2d1b3ae7310b86f8c99bf7f79eaa
- SHA512 10b6ef916f3d86818b260d816f010dac1ebf8d7e7227cc4170e207e989f6208d68cd8067dff3fb1e4475d76c8ce627df624aa334b71d0c20bbd3f40e65183d11
- SSDEEP 384:g3pyHRz5+IB+TtF5+HCmOccDpmDoZKfY7+CYuqu/lKm0Cii88Z54A1rTracjow:g3p2z5+e+rkCmopm+1Fxqu/km2KGcb
- TLSH T1FBE2D6C53B46EA7BF485F37290222757B3A8C5F6A341C71321A5D03A6DC5B782E621EC
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1