Analysis
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max time kernel
135s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2023 23:16
Behavioral task
behavioral1
Sample
c1090629855ae54545498aaa7738e352.exe
Resource
win7-20230220-en
General
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Target
c1090629855ae54545498aaa7738e352.exe
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Size
702KB
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MD5
c1090629855ae54545498aaa7738e352
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SHA1
b768286921741aa0ce47c6485a922dc76f4d732f
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SHA256
71e95791dbf20e5b43bb75b1d40de9fe8cc56db5c08f8933f8bc7033765bcb33
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SHA512
39817b1283b86f8435da7c2f633d130ae2046a45c21360bff803f4130a1f035a601f25bd65acedc84aa6b46adf4b0a09713195de648cbcfe79047dd2a86c7f59
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SSDEEP
12288:RquErHF6xC9D6DmR1J98w4oknqOKw59XxYRcjnn+ClOq60XDv8OOTHiBHl:Url6kD68JmloO5TYI1lOq6sb8hTHAl
Malware Config
Extracted
pony
http://185.79.156.18/bit/03/gate.php
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c1090629855ae54545498aaa7738e352.exeRegAsm.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation c1090629855ae54545498aaa7738e352.exe Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation RegAsm.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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Processes:
resource yara_rule behavioral2/memory/3364-133-0x0000000000B20000-0x0000000000CA8000-memory.dmp upx behavioral2/memory/3364-144-0x0000000000B20000-0x0000000000CA8000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.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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AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/3364-133-0x0000000000B20000-0x0000000000CA8000-memory.dmp autoit_exe behavioral2/memory/3364-144-0x0000000000B20000-0x0000000000CA8000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c1090629855ae54545498aaa7738e352.exedescription pid process target process PID 3364 set thread context of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3740 timeout.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
RegAsm.exedescription pid process Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe Token: SeImpersonatePrivilege 4692 RegAsm.exe Token: SeTcbPrivilege 4692 RegAsm.exe Token: SeChangeNotifyPrivilege 4692 RegAsm.exe Token: SeCreateTokenPrivilege 4692 RegAsm.exe Token: SeBackupPrivilege 4692 RegAsm.exe Token: SeRestorePrivilege 4692 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4692 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4692 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
c1090629855ae54545498aaa7738e352.exepid process 3364 c1090629855ae54545498aaa7738e352.exe 3364 c1090629855ae54545498aaa7738e352.exe 3364 c1090629855ae54545498aaa7738e352.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
c1090629855ae54545498aaa7738e352.exepid process 3364 c1090629855ae54545498aaa7738e352.exe 3364 c1090629855ae54545498aaa7738e352.exe 3364 c1090629855ae54545498aaa7738e352.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
c1090629855ae54545498aaa7738e352.execmd.exeRegAsm.exedescription pid process target process PID 3364 wrote to memory of 1272 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 1272 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 1272 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 4692 3364 c1090629855ae54545498aaa7738e352.exe RegAsm.exe PID 3364 wrote to memory of 2140 3364 c1090629855ae54545498aaa7738e352.exe cmd.exe PID 3364 wrote to memory of 2140 3364 c1090629855ae54545498aaa7738e352.exe cmd.exe PID 3364 wrote to memory of 2140 3364 c1090629855ae54545498aaa7738e352.exe cmd.exe PID 2140 wrote to memory of 3740 2140 cmd.exe timeout.exe PID 2140 wrote to memory of 3740 2140 cmd.exe timeout.exe PID 2140 wrote to memory of 3740 2140 cmd.exe timeout.exe PID 4692 wrote to memory of 4876 4692 RegAsm.exe cmd.exe PID 4692 wrote to memory of 4876 4692 RegAsm.exe cmd.exe PID 4692 wrote to memory of 4876 4692 RegAsm.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c1090629855ae54545498aaa7738e352.exe"C:\Users\Admin\AppData\Local\Temp\c1090629855ae54545498aaa7738e352.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks computer location settings
- 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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240553468.bat" "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\c1090629855ae54545498aaa7738e352.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\240553468.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/3364-133-0x0000000000B20000-0x0000000000CA8000-memory.dmpFilesize
1.5MB
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memory/3364-144-0x0000000000B20000-0x0000000000CA8000-memory.dmpFilesize
1.5MB
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memory/4692-136-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/4692-142-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB