General
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Target
5518a4cc4b2cdbc70aaba759e92cb16ac22e74e89510aa876a53e7b9a1a5466f
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Size
206KB
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Sample
250405-kj15gatvaw
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MD5
6a949abda0492d3f4692adfd6a29795c
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SHA1
3b9f6e32243d7a81c859b9c8dfc3ebc124d9979f
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SHA256
5518a4cc4b2cdbc70aaba759e92cb16ac22e74e89510aa876a53e7b9a1a5466f
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SHA512
bb83fcabe7063d40d1b0284f8ddbb951a45e024fa15b930d0688d74ce227909a6abffd50f1b1e2266c09008cc1d21b5cb93bdd0f7c7a5d8254d87fa8d6b24cc9
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf
Static task
static1
Malware Config
Extracted
gh0strat
107.163.241.193:6520
http://107.163.241.181:16300/
http://107.163.241.182:12354/login.php
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)
Targets
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Target
5518a4cc4b2cdbc70aaba759e92cb16ac22e74e89510aa876a53e7b9a1a5466f
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Size
206KB
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MD5
6a949abda0492d3f4692adfd6a29795c
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SHA1
3b9f6e32243d7a81c859b9c8dfc3ebc124d9979f
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SHA256
5518a4cc4b2cdbc70aaba759e92cb16ac22e74e89510aa876a53e7b9a1a5466f
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SHA512
bb83fcabe7063d40d1b0284f8ddbb951a45e024fa15b930d0688d74ce227909a6abffd50f1b1e2266c09008cc1d21b5cb93bdd0f7c7a5d8254d87fa8d6b24cc9
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf
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Gh0strat family
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1