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Analysis
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max time kernel
90s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 09:00
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe
Resource
win10v2004-20220812-en
General
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Target
SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe
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Size
105KB
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MD5
ac4b11253fd63a6f272bf10dabdbfb01
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SHA1
1892479a8d6b58642f57514b6bbd29ab4f7e5e62
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SHA256
7e7e4ddcd61df737e689389da1b59df402521f3310ad402c0696b97cf6ce3a20
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SHA512
34b90fb700e609065b1e0ecf8eaa3fa5f33ed470e8dd58b03874de808bbae304e52ac5c0f81c93e9ec798dcf6009cc76433899743fef8ea4db1fdb0fb9f60511
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SSDEEP
3072:Us+LplNxNXz3lxRXJWfH1lzsf+BaMPEGNXA8rD:UsKxNX1AP14xA7NXjv
Malware Config
Extracted
Protocol: ftp- Host:
ftp.overviewsupplies.com - Port:
21 - Username:
[email protected] - Password:
w[3c2r?B,Of+
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.overviewsupplies.com/ - Port:
21 - Username:
[email protected] - Password:
w[3c2r?B,Of+
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe caspol.exe -
Loads dropped DLL 1 IoCs
pid Process 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 924 caspol.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 924 caspol.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3972 set thread context of 924 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 86 -
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 924 caspol.exe 924 caspol.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 924 caspol.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3972 wrote to memory of 924 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 86 PID 3972 wrote to memory of 924 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 86 PID 3972 wrote to memory of 924 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 86 PID 3972 wrote to memory of 924 3972 SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 caspol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\caspol.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Injector.FIHC-3037.22773.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:924
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD5883eff06ac96966270731e4e22817e11
SHA1523c87c98236cbc04430e87ec19b977595092ac8
SHA25644e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82
SHA51260333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390