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Analysis
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max time kernel
106s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 14:21
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PO.exe
Resource
win10v2004-20241007-en
General
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Target
PO.exe
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Size
1.1MB
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MD5
58a16cefc34d499992c3ad9b4290bc7e
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SHA1
afc3bf366c0508c51316e70a82998267c4bbcebe
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SHA256
aa79f8112d7a9d741543bd4ee61ba8a95ead29f15092e03191c58e78a11a63da
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SHA512
4eaca4e0d3a1294748516ec9013948716f95cb40632848e9b3e97101c2fc8d596b1f1ebf04106efd5e09738eaa44e03dca6888d492b2a123da56af90257ed372
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SSDEEP
24576:WfmMv6Ckr7Mny5QLZ9sO4mAxMMWOwRNr5rOvb:W3v+7/5QLLbAxMhOwrrm
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\name.vbs name.exe -
Executes dropped EXE 1 IoCs
pid Process 4728 name.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 checkip.dyndns.org 18 checkip.dyndns.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x000a000000023b6b-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4728 set thread context of 4884 4728 name.exe 87 -
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 PO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language name.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4884 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4728 name.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4884 RegSvcs.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4000 wrote to memory of 4728 4000 PO.exe 86 PID 4000 wrote to memory of 4728 4000 PO.exe 86 PID 4000 wrote to memory of 4728 4000 PO.exe 86 PID 4728 wrote to memory of 4884 4728 name.exe 87 PID 4728 wrote to memory of 4884 4728 name.exe 87 PID 4728 wrote to memory of 4884 4728 name.exe 87 PID 4728 wrote to memory of 4884 4728 name.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Users\Admin\AppData\Local\directory\name.exe"C:\Users\Admin\AppData\Local\Temp\PO.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:4728 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\PO.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:4884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD5dc0eaa450d9f254b5b7d48a96dc4123b
SHA1b568a8ddfb1820223a88847c32e626368c21a95e
SHA2565480c4eedf0d7cd05e3b83287821df113dbafeb40abe96248d7632f2205cbdda
SHA5127fd64ab6cc6ae75dfefa37e5b0b9555bb7f9cee3998ec0cbc9110b60aeeeb7e398e967f02ec471b1c0cd42ca83a6b72e1ec8c9b6f582e6e20e6f42aca65a6ef3
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Filesize
1.1MB
MD558a16cefc34d499992c3ad9b4290bc7e
SHA1afc3bf366c0508c51316e70a82998267c4bbcebe
SHA256aa79f8112d7a9d741543bd4ee61ba8a95ead29f15092e03191c58e78a11a63da
SHA5124eaca4e0d3a1294748516ec9013948716f95cb40632848e9b3e97101c2fc8d596b1f1ebf04106efd5e09738eaa44e03dca6888d492b2a123da56af90257ed372