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Analysis
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max time kernel
72s -
max time network
75s -
platform
windows7_x64 -
resource
win7-20230705-en -
resource tags
arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system -
submitted
09/07/2023, 16:35
Behavioral task
behavioral1
Sample
b5d4330129d989156cb6df8fc.exe
Resource
win7-20230705-en
General
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Target
b5d4330129d989156cb6df8fc.exe
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Size
702KB
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MD5
b85a427b9c8d95d8d7387ca53abc45f0
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SHA1
f2653fe0c33d2704647c30e1ffe285c67ecd6e66
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SHA256
b5d4330129d989156cb6df8fc9a95e1a45c4d57b8852cf5f720c80a0a6a4935f
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SHA512
da053213da2b5e19788ee7a46cb3256482d965dc8523e3ffd757ea182482e57390a9922cb78f5a05defd2b1e3e0e7fb90a465818763351a7898f1a50ec3a45ff
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SSDEEP
12288:RquErHF6xC9D6DmR1J98w4oknqOKw59XxYRcjnn+ClOq60XDv8OOTHiBHi:Url6kD68JmloO5TYI1lOq6sb8hTHAi
Malware Config
Extracted
pony
http://185.79.156.18/bit/03/gate.php
Signatures
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Deletes itself 1 IoCs
pid Process 1732 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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resource yara_rule behavioral1/memory/3052-66-0x0000000000EC0000-0x0000000001048000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\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 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/3052-66-0x0000000000EC0000-0x0000000001048000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3052 set thread context of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 -
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
pid Process 752 timeout.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeImpersonatePrivilege 2876 RegAsm.exe Token: SeTcbPrivilege 2876 RegAsm.exe Token: SeChangeNotifyPrivilege 2876 RegAsm.exe Token: SeCreateTokenPrivilege 2876 RegAsm.exe Token: SeBackupPrivilege 2876 RegAsm.exe Token: SeRestorePrivilege 2876 RegAsm.exe Token: SeIncreaseQuotaPrivilege 2876 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 2876 RegAsm.exe Token: SeImpersonatePrivilege 2876 RegAsm.exe Token: SeTcbPrivilege 2876 RegAsm.exe Token: SeChangeNotifyPrivilege 2876 RegAsm.exe Token: SeCreateTokenPrivilege 2876 RegAsm.exe Token: SeBackupPrivilege 2876 RegAsm.exe Token: SeRestorePrivilege 2876 RegAsm.exe Token: SeIncreaseQuotaPrivilege 2876 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 2876 RegAsm.exe Token: SeImpersonatePrivilege 2876 RegAsm.exe Token: SeTcbPrivilege 2876 RegAsm.exe Token: SeChangeNotifyPrivilege 2876 RegAsm.exe Token: SeCreateTokenPrivilege 2876 RegAsm.exe Token: SeBackupPrivilege 2876 RegAsm.exe Token: SeRestorePrivilege 2876 RegAsm.exe Token: SeIncreaseQuotaPrivilege 2876 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 2876 RegAsm.exe Token: SeImpersonatePrivilege 2876 RegAsm.exe Token: SeTcbPrivilege 2876 RegAsm.exe Token: SeChangeNotifyPrivilege 2876 RegAsm.exe Token: SeCreateTokenPrivilege 2876 RegAsm.exe Token: SeBackupPrivilege 2876 RegAsm.exe Token: SeRestorePrivilege 2876 RegAsm.exe Token: SeIncreaseQuotaPrivilege 2876 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 2876 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3052 b5d4330129d989156cb6df8fc.exe 3052 b5d4330129d989156cb6df8fc.exe 3052 b5d4330129d989156cb6df8fc.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3052 b5d4330129d989156cb6df8fc.exe 3052 b5d4330129d989156cb6df8fc.exe 3052 b5d4330129d989156cb6df8fc.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 2876 3052 b5d4330129d989156cb6df8fc.exe 27 PID 3052 wrote to memory of 1732 3052 b5d4330129d989156cb6df8fc.exe 28 PID 3052 wrote to memory of 1732 3052 b5d4330129d989156cb6df8fc.exe 28 PID 3052 wrote to memory of 1732 3052 b5d4330129d989156cb6df8fc.exe 28 PID 3052 wrote to memory of 1732 3052 b5d4330129d989156cb6df8fc.exe 28 PID 1732 wrote to memory of 752 1732 cmd.exe 30 PID 1732 wrote to memory of 752 1732 cmd.exe 30 PID 1732 wrote to memory of 752 1732 cmd.exe 30 PID 1732 wrote to memory of 752 1732 cmd.exe 30 PID 2876 wrote to memory of 2204 2876 RegAsm.exe 31 PID 2876 wrote to memory of 2204 2876 RegAsm.exe 31 PID 2876 wrote to memory of 2204 2876 RegAsm.exe 31 PID 2876 wrote to memory of 2204 2876 RegAsm.exe 31 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5d4330129d989156cb6df8fc.exe"C:\Users\Admin\AppData\Local\Temp\b5d4330129d989156cb6df8fc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:2876 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7180148.bat" "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "3⤵PID:2204
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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\b5d4330129d989156cb6df8fc.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- Delays execution with timeout.exe
PID:752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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Filesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b