Analysis
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max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/11/2024, 23:05
Static task
static1
Behavioral task
behavioral1
Sample
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe
Resource
win10v2004-20241007-en
General
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Target
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe
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Size
1.1MB
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MD5
8aa7ce5be8031fd959ba8eeab21563e2
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SHA1
c71c9aed980df363868e17a659b17271bed4296c
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SHA256
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22
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SHA512
3aacea624f444151992dde56fc8889bb50da5019d44872390ec91fd1107e76636bb2e71d3d5dec1aff99c06603dc22bb1d09a6b05002f75c87221fd31874586c
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SSDEEP
24576:pRmJkcoQricOIQxiZY1iaXIkXuMJhQjJ8MhA:mJZoQrbTFZY1iaXIkwm
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\parterres.vbs parterres.exe -
Executes dropped EXE 1 IoCs
pid Process 2192 parterres.exe -
Loads dropped DLL 1 IoCs
pid Process 2956 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0007000000016cc8-4.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2192 set thread context of 2700 2192 parterres.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language parterres.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2700 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2192 parterres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2700 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2192 2956 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe 31 PID 2956 wrote to memory of 2192 2956 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe 31 PID 2956 wrote to memory of 2192 2956 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe 31 PID 2956 wrote to memory of 2192 2956 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe 31 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 PID 2192 wrote to memory of 2700 2192 parterres.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe"C:\Users\Admin\AppData\Local\Temp\e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Local\colliquefaction\parterres.exe"C:\Users\Admin\AppData\Local\Temp\e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD58aa7ce5be8031fd959ba8eeab21563e2
SHA1c71c9aed980df363868e17a659b17271bed4296c
SHA256e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22
SHA5123aacea624f444151992dde56fc8889bb50da5019d44872390ec91fd1107e76636bb2e71d3d5dec1aff99c06603dc22bb1d09a6b05002f75c87221fd31874586c