Analysis
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max time kernel
105s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 12:30
Static task
static1
Behavioral task
behavioral1
Sample
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe
Resource
win7-20220812-en
General
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Target
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe
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Size
97KB
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MD5
6dc5205c6a0ea14696361bdb4c7d0930
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SHA1
211235345685a17dbf052775c06ba8ab6732823e
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SHA256
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4
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SHA512
643ceb1d84d5c4d0b9f92a7539b5fed6f739a7b47a16d01277ff544a8ea55ab9c9ffc0484a6beb04253bd27ea04f522fd662cfcc982a015a606348e0377b24e9
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SSDEEP
1536:tgLSZJP3QDk6pa2MHUOvleaUmVnN4Pvwjdjuio31D3fQQQfI:tgLSLPZ680OvlesrmIjdjXolD3YZfI
Malware Config
Extracted
pony
http://ksleak.info:4915/pic/staff.php
http://ktagty.info:4915/pic/staff.php
Signatures
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Drops file in Drivers directory 3 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.execmd.exedescription ioc process File created C:\Windows\system32\drivers\etc\tmp.tmp b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe File created C:\Windows\system32\drivers\etc\hosts.sam cmd.exe File opened for modification C:\Windows\system32\drivers\etc\hosts.sam cmd.exe -
Processes:
resource yara_rule behavioral1/memory/1900-56-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral1/memory/1900-60-0x0000000000400000-0x0000000000423000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1020 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exedescription pid process Token: SeImpersonatePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeTcbPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeChangeNotifyPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeCreateTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeBackupPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeRestorePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeIncreaseQuotaPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeAssignPrimaryTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeImpersonatePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeTcbPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeChangeNotifyPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeCreateTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeBackupPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeRestorePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeIncreaseQuotaPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeAssignPrimaryTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeImpersonatePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeTcbPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeChangeNotifyPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeCreateTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeBackupPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeRestorePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeIncreaseQuotaPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeAssignPrimaryTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeImpersonatePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeTcbPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeChangeNotifyPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeCreateTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeBackupPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeRestorePrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeIncreaseQuotaPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe Token: SeAssignPrimaryTokenPrivilege 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.execmd.execmd.exedescription pid process target process PID 1900 wrote to memory of 1012 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1012 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1012 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1012 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1020 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1020 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1020 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1900 wrote to memory of 1020 1900 b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe cmd.exe PID 1012 wrote to memory of 1564 1012 cmd.exe at.exe PID 1012 wrote to memory of 1564 1012 cmd.exe at.exe PID 1012 wrote to memory of 1564 1012 cmd.exe at.exe PID 1012 wrote to memory of 1564 1012 cmd.exe at.exe PID 1020 wrote to memory of 1436 1020 cmd.exe PING.EXE PID 1020 wrote to memory of 1436 1020 cmd.exe PING.EXE PID 1020 wrote to memory of 1436 1020 cmd.exe PING.EXE PID 1020 wrote to memory of 1436 1020 cmd.exe PING.EXE -
outlook_win_path 1 IoCs
Processes:
b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe"C:\Users\Admin\AppData\Local\Temp\b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe"1⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy C:\Windows\system32\drivers\etc\hosts C:\Windows\system32\drivers\etc\hosts.sam /Y && at 18:26:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7189976aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"2⤵
- Drops file in Drivers directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeat 18:26:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7189976aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping -n 6 localhost && erase "C:\Users\Admin\AppData\Local\Temp\b5194089c672957913c3056fa54ebdc903646730b117cf59a268b45e3ebd28b4.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 6 localhost3⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1012-58-0x0000000000000000-mapping.dmp
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memory/1020-59-0x0000000000000000-mapping.dmp
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memory/1436-62-0x0000000000000000-mapping.dmp
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memory/1564-61-0x0000000000000000-mapping.dmp
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memory/1900-54-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/1900-55-0x0000000074AB1000-0x0000000074AB3000-memory.dmpFilesize
8KB
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memory/1900-57-0x0000000000220000-0x0000000000243000-memory.dmpFilesize
140KB
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memory/1900-56-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/1900-60-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB