Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 01:14
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order 007823-PO# 005307.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Purchase Order 007823-PO# 005307.exe
Resource
win10v2004-20240802-en
General
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Target
Purchase Order 007823-PO# 005307.exe
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Size
745KB
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MD5
89b1330440f5e3cc7fdf662981760845
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SHA1
39484bf19c50d51022b3f90361bfd048b1ee1df6
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SHA256
2095af004e76f0cf7243b68e868eeb3b9c8c157d632aa785a87a93addf3b75fc
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SHA512
2db2b4de6eb9bda9b1d93d4e14417a31193cdcebd4736b07a49d0d72e34244d166285107eda6968c3b781e20e7302a2d93b2e5a3df93a6b3217e6a3d426bc1e3
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SSDEEP
12288:a4Gc47cJDImS//BEQPo+wknW47+O7dwKOFxFp/xb0rA5CXpLJ+U3T:9GrSImS//BEknwGW47+OZFOFH0rA5yJ+
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
qimnnEB2
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
qimnnEB2 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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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 2280 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 3 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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 007823-PO# 005307.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 007823-PO# 005307.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 007823-PO# 005307.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 1636 set thread context of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 Purchase Order 007823-PO# 005307.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order 007823-PO# 005307.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1916 Purchase Order 007823-PO# 005307.exe 2280 powershell.exe 1916 Purchase Order 007823-PO# 005307.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1916 Purchase Order 007823-PO# 005307.exe Token: SeDebugPrivilege 2280 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1636 wrote to memory of 2280 1636 Purchase Order 007823-PO# 005307.exe 28 PID 1636 wrote to memory of 2280 1636 Purchase Order 007823-PO# 005307.exe 28 PID 1636 wrote to memory of 2280 1636 Purchase Order 007823-PO# 005307.exe 28 PID 1636 wrote to memory of 2280 1636 Purchase Order 007823-PO# 005307.exe 28 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 PID 1636 wrote to memory of 1916 1636 Purchase Order 007823-PO# 005307.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 007823-PO# 005307.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 007823-PO# 005307.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2280
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.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:1916
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2