General
- Target Cat.Mail.Co-GoldBerg.7z
- Size 193.2MB
- Sample260712-vb4whadw4r
- SHA256 d25f60d840028fb774dd12efe89be6abd7b8a4a9b481d5bf5fedbcac641071b1
- MD5 34bd8a6d4b18f803024d71ebc04d1db2
- SHA1 6f96ede2306db9e226c44bba63dccf5ff5948ffa
- SHA512 e49d3d9aa0c0ea8b4bed4c278c0f9edb7223d0dbf8918cbe79d0199380b6c3b8c5645440f770634f6ce06334408eceacd4db9c040b7c22b5de554a7d60bb7295
- SSDEEP 6291456:W7wy/xBT/HfHz91lOrs8Vv2bJr7xOb9fzr/pC/KRotgsoR:4wy/xV//TxQOb5Vc93xGKRotDoR
- TLSH T167A833A5A8073FB7CD1986F7B26A6523974BADB753304D07AD6270090F3F34691E3622
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Cat.Mail.Co-GoldBerg.7z
Resource
win10v2004-20260513-en
31 signatures
900 seconds
Malware Config
Targets
-
- Target Cat.Mail.Co-GoldBerg.7z
- Size 193.2MB
- SHA256 d25f60d840028fb774dd12efe89be6abd7b8a4a9b481d5bf5fedbcac641071b1
- MD5 34bd8a6d4b18f803024d71ebc04d1db2
- SHA1 6f96ede2306db9e226c44bba63dccf5ff5948ffa
- SHA512 e49d3d9aa0c0ea8b4bed4c278c0f9edb7223d0dbf8918cbe79d0199380b6c3b8c5645440f770634f6ce06334408eceacd4db9c040b7c22b5de554a7d60bb7295
- SSDEEP 6291456:W7wy/xBT/HfHz91lOrs8Vv2bJr7xOb9fzr/pC/KRotgsoR:4wy/xV//TxQOb5Vc93xGKRotDoR
- TLSH T167A833A5A8073FB7CD1986F7B26A6523974BADB753304D07AD6270090F3F34691E3622
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (6115) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
3Subvert Trust Controls
2Install Root Certificate
2