Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
07-07-2023 11:11
Behavioral task
behavioral1
Sample
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe
Resource
win7-20230703-en
General
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Target
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe
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Size
702KB
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MD5
eaa0b312ca02b826eb0dc7e2a7cf40f0
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SHA1
a138f9cd398f6f7b5d3c48b1a9939a9a13dc57c2
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SHA256
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0
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SHA512
f7fd415626a62f63f6a3137e23cfb241bc9b8f32dd9824c13ef574f4d6bb8fc31d91160447c722e5e44dd1793add4e93ca47e5749d56ddae6bb882c3bad905dc
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SSDEEP
12288:RquErHF6xC9D6DmR1J98w4oknqOKw59XxYRcjnn+ClOq60XDv8OOTHiBHF:Url6kD68JmloO5TYI1lOq6sb8hTHAF
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:
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exeRegAsm.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe Key value queried \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\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/5032-133-0x0000000000D40000-0x0000000000EC8000-memory.dmp upx behavioral2/memory/5032-146-0x0000000000D40000-0x0000000000EC8000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\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-1-5-21-3011986978-2180659500-3669311805-1000\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/5032-133-0x0000000000D40000-0x0000000000EC8000-memory.dmp autoit_exe behavioral2/memory/5032-146-0x0000000000D40000-0x0000000000EC8000-memory.dmp autoit_exe -
Drops file in System32 directory 1 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D1406B15-B0A1-41B4-A5DF-AC60F3C72402}.catalogItem svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exedescription pid process target process PID 5032 set thread context of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1408 timeout.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
RegAsm.exedescription pid process Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe Token: SeImpersonatePrivilege 4884 RegAsm.exe Token: SeTcbPrivilege 4884 RegAsm.exe Token: SeChangeNotifyPrivilege 4884 RegAsm.exe Token: SeCreateTokenPrivilege 4884 RegAsm.exe Token: SeBackupPrivilege 4884 RegAsm.exe Token: SeRestorePrivilege 4884 RegAsm.exe Token: SeIncreaseQuotaPrivilege 4884 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 4884 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exepid process 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exepid process 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.execmd.exeRegAsm.exedescription pid process target process PID 5032 wrote to memory of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe PID 5032 wrote to memory of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe PID 5032 wrote to memory of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe PID 5032 wrote to memory of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe PID 5032 wrote to memory of 4884 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe RegAsm.exe PID 5032 wrote to memory of 3320 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe cmd.exe PID 5032 wrote to memory of 3320 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe cmd.exe PID 5032 wrote to memory of 3320 5032 d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe cmd.exe PID 3320 wrote to memory of 1408 3320 cmd.exe timeout.exe PID 3320 wrote to memory of 1408 3320 cmd.exe timeout.exe PID 3320 wrote to memory of 1408 3320 cmd.exe timeout.exe PID 4884 wrote to memory of 1672 4884 RegAsm.exe cmd.exe PID 4884 wrote to memory of 1672 4884 RegAsm.exe cmd.exe PID 4884 wrote to memory of 1672 4884 RegAsm.exe cmd.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
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C:\Users\Admin\AppData\Local\Temp\d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.exe"C:\Users\Admin\AppData\Local\Temp\d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.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\240611250.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\d53dd7d82baec5078999c4aa1d81e2cdb0f137f6950030070a99736ff757a7c0.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\240611250.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/4884-137-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/4884-143-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/5032-133-0x0000000000D40000-0x0000000000EC8000-memory.dmpFilesize
1.5MB
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memory/5032-145-0x0000000001090000-0x0000000001091000-memory.dmpFilesize
4KB
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memory/5032-146-0x0000000000D40000-0x0000000000EC8000-memory.dmpFilesize
1.5MB