Analysis
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max time kernel
139s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2023 18:41
Behavioral task
behavioral1
Sample
f0e1f5564e137ae9948a3d0eba3f1881_JC.exe
Resource
win7-20230831-en
General
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Target
f0e1f5564e137ae9948a3d0eba3f1881_JC.exe
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Size
698KB
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MD5
f0e1f5564e137ae9948a3d0eba3f1881
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SHA1
dfad3247c1a04b5c7ebc76786e44b52748a4d683
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SHA256
7c8f2fbbb8634201f8fe4a7591e6057f741303674a0a18440c0a359709396f5e
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SHA512
784c962775da59b9bfebeb591c0b13a067b60588b7b3c38539046cffe83174f102961007937ac0c851e343dd8b6954f69330ec35afb10d89e0d492f4fc5eda99
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SSDEEP
12288:UquErHF6xC9D6DmR1J98w4oknqOKwiitHj/6s38WIkyb7DuRLEDu9l:1rl6kD68JmloOZphTyXDIKu9l
Malware Config
Extracted
pony
http://185.79.156.18/40t/4/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:
f0e1f5564e137ae9948a3d0eba3f1881_JC.exeRegAsm.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation f0e1f5564e137ae9948a3d0eba3f1881_JC.exe Key value queried \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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/2932-0-0x0000000000E80000-0x0000000001008000-memory.dmp upx behavioral2/memory/2932-13-0x0000000000E80000-0x0000000001008000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\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-1-5-21-1141987721-3945596982-3297311814-1000\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.
Processes:
resource yara_rule behavioral2/memory/2932-13-0x0000000000E80000-0x0000000001008000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f0e1f5564e137ae9948a3d0eba3f1881_JC.exedescription pid process target process PID 2932 set thread context of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.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 1056 timeout.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
RegAsm.exedescription pid process Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe Token: SeImpersonatePrivilege 780 RegAsm.exe Token: SeTcbPrivilege 780 RegAsm.exe Token: SeChangeNotifyPrivilege 780 RegAsm.exe Token: SeCreateTokenPrivilege 780 RegAsm.exe Token: SeBackupPrivilege 780 RegAsm.exe Token: SeRestorePrivilege 780 RegAsm.exe Token: SeIncreaseQuotaPrivilege 780 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 780 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
f0e1f5564e137ae9948a3d0eba3f1881_JC.exepid process 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
f0e1f5564e137ae9948a3d0eba3f1881_JC.exepid process 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
f0e1f5564e137ae9948a3d0eba3f1881_JC.execmd.exeRegAsm.exedescription pid process target process PID 2932 wrote to memory of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe RegAsm.exe PID 2932 wrote to memory of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe RegAsm.exe PID 2932 wrote to memory of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe RegAsm.exe PID 2932 wrote to memory of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe RegAsm.exe PID 2932 wrote to memory of 780 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe RegAsm.exe PID 2932 wrote to memory of 4124 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe cmd.exe PID 2932 wrote to memory of 4124 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe cmd.exe PID 2932 wrote to memory of 4124 2932 f0e1f5564e137ae9948a3d0eba3f1881_JC.exe cmd.exe PID 4124 wrote to memory of 1056 4124 cmd.exe timeout.exe PID 4124 wrote to memory of 1056 4124 cmd.exe timeout.exe PID 4124 wrote to memory of 1056 4124 cmd.exe timeout.exe PID 780 wrote to memory of 5100 780 RegAsm.exe cmd.exe PID 780 wrote to memory of 5100 780 RegAsm.exe cmd.exe PID 780 wrote to memory of 5100 780 RegAsm.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f0e1f5564e137ae9948a3d0eba3f1881_JC.exe"C:\Users\Admin\AppData\Local\Temp\f0e1f5564e137ae9948a3d0eba3f1881_JC.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\240631453.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\f0e1f5564e137ae9948a3d0eba3f1881_JC.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 v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\240631453.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/780-4-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/780-10-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/780-12-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/2932-0-0x0000000000E80000-0x0000000001008000-memory.dmpFilesize
1.5MB
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memory/2932-3-0x0000000003ED0000-0x0000000003ED1000-memory.dmpFilesize
4KB
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memory/2932-13-0x0000000000E80000-0x0000000001008000-memory.dmpFilesize
1.5MB