Analysis
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max time kernel
38s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
14-02-2023 11:36
Behavioral task
behavioral1
Sample
zamówienie Z2300056_pdf .exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
zamówienie Z2300056_pdf .exe
Resource
win10v2004-20221111-en
General
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Target
zamówienie Z2300056_pdf .exe
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Size
16KB
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MD5
ce64f7cef876c36aa4cbced9f2a479ad
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SHA1
23757c26d95a52e6ce8b391e4ba0f24787042d01
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SHA256
a9ad1c8db51f9e20280bab4947b9d9b47572e7c634cca0e2b121f3e7966a976d
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SHA512
48080167e57b97f776c2f0d4676e3800216a38fd9bef8646b38c8b0df81980706f193b7224a6a01acf8f4e72385b0cce4d1c2add8e4dbd39bbd7f72218717913
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SSDEEP
192:2fH1PkDL5mE2QYVaog6ktDOp+4Fm97R4JO:cH1PkDL5meO6tDcPkK
Malware Config
Extracted
purecrypter
http://45.84.1.117/3477/Wgmpt.dll
Extracted
agenttesla
https://api.telegram.org/bot5846767138:AAHbrIUF1epdWlFQ2_64LCd8vdF121y1XGE/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 7 api.ipify.org 6 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 624 set thread context of 952 624 zamówienie Z2300056_pdf .exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1912 powershell.exe 624 zamówienie Z2300056_pdf .exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 624 zamówienie Z2300056_pdf .exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 952 MSBuild.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 624 wrote to memory of 1912 624 zamówienie Z2300056_pdf .exe 28 PID 624 wrote to memory of 1912 624 zamówienie Z2300056_pdf .exe 28 PID 624 wrote to memory of 1912 624 zamówienie Z2300056_pdf .exe 28 PID 624 wrote to memory of 1912 624 zamówienie Z2300056_pdf .exe 28 PID 624 wrote to memory of 328 624 zamówienie Z2300056_pdf .exe 30 PID 624 wrote to memory of 328 624 zamówienie Z2300056_pdf .exe 30 PID 624 wrote to memory of 328 624 zamówienie Z2300056_pdf .exe 30 PID 624 wrote to memory of 328 624 zamówienie Z2300056_pdf .exe 30 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 PID 624 wrote to memory of 952 624 zamówienie Z2300056_pdf .exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\zamówienie Z2300056_pdf .exe"C:\Users\Admin\AppData\Local\Temp\zamówienie Z2300056_pdf .exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAyAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵PID:328
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:952
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