Analysis
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max time kernel
140s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 12:55
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.PWSX-gen.18352.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.PWSX-gen.18352.exe
Resource
win10v2004-20220812-en
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.18352.exe
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Size
1.1MB
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MD5
b5c5ac3050b7efb7d4767b5073bd8046
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SHA1
ceade92f348eafaed58f55694b1713d256bb02b6
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SHA256
fb34395325382df6f26318709395c22fe689e5c5632d8280e12d2062e813a259
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SHA512
893e13119fb56236088765dff0b649ae8b52b2ba33db643a13b8acb47c1076b31667b539d33f9761a1b1a1b9a02106fd2f1fdcbe9ed9fa10b4e3777903adfdeb
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SSDEEP
24576:2zw2Lgh/awByLHuptQlrdf81SNtmVWvEdRat/Pcb2Dz:2zw2Eh/dByLOH8dfozVQEd8t8K
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mavicivata.com - Port:
587 - Username:
[email protected] - Password:
5Egb6R1NW - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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.
Processes:
flow ioc 27 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.18352.exedescription pid process target process PID 1956 set thread context of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepid process 2392 RegSvcs.exe 2392 RegSvcs.exe 2392 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2392 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid process 2392 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
SecuriteInfo.com.Win32.PWSX-gen.18352.exedescription pid process target process PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe PID 1956 wrote to memory of 2392 1956 SecuriteInfo.com.Win32.PWSX-gen.18352.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18352.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18352.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1956-132-0x0000000000CB0000-0x0000000000DD0000-memory.dmpFilesize
1.1MB
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memory/1956-133-0x0000000005D00000-0x00000000062A4000-memory.dmpFilesize
5.6MB
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memory/1956-134-0x00000000057F0000-0x0000000005882000-memory.dmpFilesize
584KB
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memory/1956-135-0x0000000005770000-0x000000000577A000-memory.dmpFilesize
40KB
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memory/1956-136-0x0000000009620000-0x00000000096BC000-memory.dmpFilesize
624KB
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memory/2392-137-0x0000000000000000-mapping.dmp
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memory/2392-138-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2392-139-0x0000000006450000-0x00000000064B6000-memory.dmpFilesize
408KB
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memory/2392-140-0x0000000007090000-0x00000000070E0000-memory.dmpFilesize
320KB