Analysis
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max time kernel
118s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 03:55
Static task
static1
Behavioral task
behavioral1
Sample
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe
Resource
win7-20240708-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
Processes:
parterres.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\parterres.vbs parterres.exe -
Executes dropped EXE 1 IoCs
Processes:
parterres.exepid process 1948 parterres.exe -
Loads dropped DLL 1 IoCs
Processes:
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exepid process 620 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\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.
Processes:
flow ioc 4 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule \Users\Admin\AppData\Local\colliquefaction\parterres.exe autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
parterres.exedescription pid process target process PID 1948 set thread context of 2508 1948 parterres.exe RegSvcs.exe -
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.
Processes:
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exeparterres.exeRegSvcs.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language parterres.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegSvcs.exepid process 2508 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
parterres.exepid process 1948 parterres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2508 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exeparterres.exedescription pid process target process PID 620 wrote to memory of 1948 620 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe parterres.exe PID 620 wrote to memory of 1948 620 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe parterres.exe PID 620 wrote to memory of 1948 620 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe parterres.exe PID 620 wrote to memory of 1948 620 e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22.exe parterres.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe PID 1948 wrote to memory of 2508 1948 parterres.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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:620 -
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:1948 -
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:2508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
1.1MB
MD58aa7ce5be8031fd959ba8eeab21563e2
SHA1c71c9aed980df363868e17a659b17271bed4296c
SHA256e1fa5c71c9fab660f8312332cf26e8c78a216ecdbaaa47a4ca04a57f6946bc22
SHA5123aacea624f444151992dde56fc8889bb50da5019d44872390ec91fd1107e76636bb2e71d3d5dec1aff99c06603dc22bb1d09a6b05002f75c87221fd31874586c