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Analysis
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max time kernel
122s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24/05/2024, 13:28
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v2004-20240508-en
General
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Target
Invoice.exe
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Size
557KB
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MD5
7ccea594742ef8616d4329ae4b13d65f
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SHA1
2cc66eb1781ca1389e5b961f6904ba819770cf62
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SHA256
3235c0cc1e4c983e8e11ad3f9fe6af66cf5cda2d4f4730f84cd290d877136b6c
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SHA512
59eef8e1cbedf34393b262f3d84e61a67e552db3ce8d95c492d5559449694d2d6324882c84b844d496b2ae9a7a81dd42df81b6a0a4ff74a8c02e964a680d4a3d
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SSDEEP
12288:dVTlZnKl3tPs75yJfVtHNrx8ACBUtjKxisU9zJDs1K4YJHg6gi/:nZZKlCYJdBN98AC65izUrow9H+i
Malware Config
Extracted
Protocol: smtp- Host:
mail.speedhouseoman.com - Port:
587 - Username:
[email protected] - Password:
SpH@0084
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.speedhouseoman.com - Port:
587 - Username:
[email protected] - Password:
SpH@0084
https://scratchdreams.tk
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2596-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-22-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-21-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2632 powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.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.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1784 set thread context of 2596 1784 Invoice.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2556 schtasks.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 Invoice.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 Invoice.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1784 Invoice.exe 2596 Invoice.exe 2632 powershell.exe 2596 Invoice.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1784 Invoice.exe Token: SeDebugPrivilege 2596 Invoice.exe Token: SeDebugPrivilege 2632 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1784 wrote to memory of 2632 1784 Invoice.exe 28 PID 1784 wrote to memory of 2632 1784 Invoice.exe 28 PID 1784 wrote to memory of 2632 1784 Invoice.exe 28 PID 1784 wrote to memory of 2632 1784 Invoice.exe 28 PID 1784 wrote to memory of 2556 1784 Invoice.exe 30 PID 1784 wrote to memory of 2556 1784 Invoice.exe 30 PID 1784 wrote to memory of 2556 1784 Invoice.exe 30 PID 1784 wrote to memory of 2556 1784 Invoice.exe 30 PID 1784 wrote to memory of 2716 1784 Invoice.exe 32 PID 1784 wrote to memory of 2716 1784 Invoice.exe 32 PID 1784 wrote to memory of 2716 1784 Invoice.exe 32 PID 1784 wrote to memory of 2716 1784 Invoice.exe 32 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 PID 1784 wrote to memory of 2596 1784 Invoice.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xHctVCfBs.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2632
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xHctVCfBs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DC5.tmp"2⤵
- Creates scheduled task(s)
PID:2556
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"2⤵PID:2716
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5d0eb8e0669d600e0ea8ac7f17823b779
SHA190f8a5c9dcd3bcdde1e161cf4743de80357179f0
SHA2567d42846fd7bd3eb64090a2a764682a59b720da720faaa10660d84c6c043ef72f
SHA5120cf800c2b28f71b2c1d39d75eab77574a80f8c36a023083301c9933874f4a79babe180271f326af36a1eb0378f821947085d414b16921850958ad99ebeeb4e98