Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2023 07:46
Behavioral task
behavioral1
Sample
a6c6ac644ca3f29f7fd9de2f947192f4.exe
Resource
win7-20230220-en
General
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Target
a6c6ac644ca3f29f7fd9de2f947192f4.exe
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Size
702KB
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MD5
a6c6ac644ca3f29f7fd9de2f947192f4
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SHA1
bcc6a38861caa9bda0d13cdf102ffca714f895d3
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SHA256
e80b1723280023b1125b739fcbc94b46da10a4c702c39ca419189d052700d132
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SHA512
4d5bca5ff8e7b6cefdd54d7a62ffa76aa4ed5edd564ab5ea2015edfbb382ccf6303cac0a7e1eba7e3ed6646309c0005bfa57eeb2ccb377861a3611171ecdc980
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SSDEEP
12288:RquErHF6xC9D6DmR1J98w4oknqOKw59XxYRcjnn+ClOq60XDv8OOTHiBHU:Url6kD68JmloO5TYI1lOq6sb8hTHAU
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:
a6c6ac644ca3f29f7fd9de2f947192f4.exeRegAsm.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation a6c6ac644ca3f29f7fd9de2f947192f4.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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/4484-143-0x0000000000020000-0x00000000001A8000-memory.dmp upx behavioral2/memory/4484-145-0x0000000000020000-0x00000000001A8000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\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/4484-143-0x0000000000020000-0x00000000001A8000-memory.dmp autoit_exe behavioral2/memory/4484-145-0x0000000000020000-0x00000000001A8000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a6c6ac644ca3f29f7fd9de2f947192f4.exedescription pid process target process PID 4484 set thread context of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.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 1444 timeout.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
RegAsm.exedescription pid process Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe Token: SeImpersonatePrivilege 4796 RegAsm.exe Token: SeTcbPrivilege 4796 RegAsm.exe Token: SeChangeNotifyPrivilege 4796 RegAsm.exe Token: SeCreateTokenPrivilege 4796 RegAsm.exe Token: SeBackupPrivilege 4796 RegAsm.exe Token: SeRestorePrivilege 4796 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4796 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4796 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
a6c6ac644ca3f29f7fd9de2f947192f4.exepid process 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
a6c6ac644ca3f29f7fd9de2f947192f4.exepid process 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
a6c6ac644ca3f29f7fd9de2f947192f4.execmd.exeRegAsm.exedescription pid process target process PID 4484 wrote to memory of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe RegAsm.exe PID 4484 wrote to memory of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe RegAsm.exe PID 4484 wrote to memory of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe RegAsm.exe PID 4484 wrote to memory of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe RegAsm.exe PID 4484 wrote to memory of 4796 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe RegAsm.exe PID 4484 wrote to memory of 5100 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe cmd.exe PID 4484 wrote to memory of 5100 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe cmd.exe PID 4484 wrote to memory of 5100 4484 a6c6ac644ca3f29f7fd9de2f947192f4.exe cmd.exe PID 5100 wrote to memory of 1444 5100 cmd.exe timeout.exe PID 5100 wrote to memory of 1444 5100 cmd.exe timeout.exe PID 5100 wrote to memory of 1444 5100 cmd.exe timeout.exe PID 4796 wrote to memory of 1696 4796 RegAsm.exe cmd.exe PID 4796 wrote to memory of 1696 4796 RegAsm.exe cmd.exe PID 4796 wrote to memory of 1696 4796 RegAsm.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6c6ac644ca3f29f7fd9de2f947192f4.exe"C:\Users\Admin\AppData\Local\Temp\a6c6ac644ca3f29f7fd9de2f947192f4.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⤵
- 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\240546953.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\a6c6ac644ca3f29f7fd9de2f947192f4.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\240546953.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/4484-143-0x0000000000020000-0x00000000001A8000-memory.dmpFilesize
1.5MB
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memory/4484-144-0x0000000003ED0000-0x0000000003F10000-memory.dmpFilesize
256KB
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memory/4484-145-0x0000000000020000-0x00000000001A8000-memory.dmpFilesize
1.5MB
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memory/4796-135-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/4796-141-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB