Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 08:05
Static task
static1
Behavioral task
behavioral1
Sample
RFQ-00032035.pdf.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ-00032035.pdf.scr.exe
Resource
win10v2004-20240802-en
General
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Target
RFQ-00032035.pdf.scr.exe
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Size
186KB
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MD5
f94739fa1c01af70dc687f3f1e7ced5e
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SHA1
64da75cc4a376ac065ad91685c999454b84315c8
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SHA256
3bd171894c0bb17316c03fa84102290f5c8e9113f4e99e44863c4057c15dfcbe
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SHA512
f4c9b431e623f0a82ee712c9089f78bf0fbb5672f389a5b7a22685bc33129b77065b944e2ee382fb9afd2c8c401086e400226e9a557614b82466c1e978ad35d5
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SSDEEP
3072:I42wNqmO/BAyo5ovaZieQIaZ0OxMkWf3/3PmWW6c37GQL8VgeJpNg6LK/1lZqdH+:VNr6vaZYlMkWf3/3PmWWh7G7pLKNl3Z
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.al-subai.com - Port:
587 - Username:
[email protected] - Password:
A_Sadek1962 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4588-1095-0x0000000000150000-0x0000000000176000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1636 created 3492 1636 RFQ-00032035.pdf.scr.exe 56 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 41 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1636 set thread context of 4588 1636 RFQ-00032035.pdf.scr.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 RFQ-00032035.pdf.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1636 RFQ-00032035.pdf.scr.exe 4588 MSBuild.exe 4588 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1636 RFQ-00032035.pdf.scr.exe Token: SeDebugPrivilege 1636 RFQ-00032035.pdf.scr.exe Token: SeDebugPrivilege 4588 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 PID 1636 wrote to memory of 4588 1636 RFQ-00032035.pdf.scr.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3492
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C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.pdf.scr.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4588
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