Analysis
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max time kernel
89s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 11:01
Behavioral task
behavioral1
Sample
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe
Resource
win7-20220812-en
General
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Target
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe
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Size
90KB
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MD5
c50de2432cc25efda06f5248de941221
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SHA1
50c2dd8b54e749aaaf727180f8964f6eb9268a47
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SHA256
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b
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SHA512
4ab1d07adff1a7c3df7b1e1ad9ede9df7057093a1ce604c3c4c54c873c0f8826936d3f452afc165dfbbd11a53b2e41049c1532bdd32b236b19fbdebe5263cb2e
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SSDEEP
1536:3eCZ1HGGTqTQHDPOQtP/2XipupOpqaZf0S0HAcAOkACPZTvoEA2kzmFS:OCZ4GfOQtP/2XNpOs+djOS2EAmFS
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1364 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:
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.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 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.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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Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exedescription pid process Token: SeImpersonatePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeTcbPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeChangeNotifyPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeCreateTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeBackupPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeRestorePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeIncreaseQuotaPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeAssignPrimaryTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeImpersonatePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeTcbPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeChangeNotifyPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeCreateTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeBackupPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeRestorePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeIncreaseQuotaPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeAssignPrimaryTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeImpersonatePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeTcbPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeChangeNotifyPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeCreateTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeBackupPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeRestorePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeIncreaseQuotaPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeAssignPrimaryTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeImpersonatePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeTcbPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeChangeNotifyPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeCreateTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeBackupPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeRestorePrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeIncreaseQuotaPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe Token: SeAssignPrimaryTokenPrivilege 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exedescription pid process target process PID 1072 wrote to memory of 1364 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe cmd.exe PID 1072 wrote to memory of 1364 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe cmd.exe PID 1072 wrote to memory of 1364 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe cmd.exe PID 1072 wrote to memory of 1364 1072 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.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 bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe"C:\Users\Admin\AppData\Local\Temp\bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe"1⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:1072 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7179134.bat" "C:\Users\Admin\AppData\Local\Temp\bf9ccb427ef169e4ab975f58575ae19517d34c2c0e07f048b3a5158fef8ebf6b.exe" "2⤵
- Deletes itself
PID:1364
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7179134.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/1072-54-0x0000000075A81000-0x0000000075A83000-memory.dmpFilesize
8KB
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memory/1364-55-0x0000000000000000-mapping.dmp