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Analysis
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max time kernel
117s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/01/2025, 11:28
Static task
static1
Behavioral task
behavioral1
Sample
Mechanical Tendering Engineer – Infrastructure.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Mechanical Tendering Engineer – Infrastructure.exe
Resource
win10v2004-20241007-en
General
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Target
Mechanical Tendering Engineer – Infrastructure.exe
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Size
821KB
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MD5
429c7a3322bd34eafacec92baba5ec09
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SHA1
61bbaec2ed91d5885cb2ee21e23b781ac91824d9
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SHA256
071d0a5405c4bc0d3319aa4756ad6afb703c8462d1a6d616765eeae22dcdbd30
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SHA512
8181ee44d934d6303f4ad2414741d4b422cdc2b038332ed13330bc6c8b3eb75d57dd1905a976a24ba40a78a2634c11539338db141ada5e4e810c2bef464c4d33
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SSDEEP
12288:qKY00jgMZ9+x/KDUBfssWfQoIGEcFC/oqE1TqIKqmuUN93ANpe0:qKdjMZ9+x/pBEDfycFC/A1tZmV3el
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.htcp.homes - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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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Vipkeylogger family
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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 2960 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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2196 set thread context of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 -
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 4 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 Mechanical Tendering Engineer – Infrastructure.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Mechanical Tendering Engineer – Infrastructure.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2672 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2196 Mechanical Tendering Engineer – Infrastructure.exe 2196 Mechanical Tendering Engineer – Infrastructure.exe 2772 Mechanical Tendering Engineer – Infrastructure.exe 2960 powershell.exe 2772 Mechanical Tendering Engineer – Infrastructure.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2196 Mechanical Tendering Engineer – Infrastructure.exe Token: SeDebugPrivilege 2772 Mechanical Tendering Engineer – Infrastructure.exe Token: SeDebugPrivilege 2960 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2196 wrote to memory of 2960 2196 Mechanical Tendering Engineer – Infrastructure.exe 31 PID 2196 wrote to memory of 2960 2196 Mechanical Tendering Engineer – Infrastructure.exe 31 PID 2196 wrote to memory of 2960 2196 Mechanical Tendering Engineer – Infrastructure.exe 31 PID 2196 wrote to memory of 2960 2196 Mechanical Tendering Engineer – Infrastructure.exe 31 PID 2196 wrote to memory of 2672 2196 Mechanical Tendering Engineer – Infrastructure.exe 33 PID 2196 wrote to memory of 2672 2196 Mechanical Tendering Engineer – Infrastructure.exe 33 PID 2196 wrote to memory of 2672 2196 Mechanical Tendering Engineer – Infrastructure.exe 33 PID 2196 wrote to memory of 2672 2196 Mechanical Tendering Engineer – Infrastructure.exe 33 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 PID 2196 wrote to memory of 2772 2196 Mechanical Tendering Engineer – Infrastructure.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe"C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cWGcrDZzGfui.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2960
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cWGcrDZzGfui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE60B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2672
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C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.exe"C:\Users\Admin\AppData\Local\Temp\Mechanical Tendering Engineer – Infrastructure.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:2772
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD534e36801c52826cfb023646688e2edf5
SHA117ff3e2436e90e5a5f4adef243b8a80c83adfd4b
SHA2563d47f408f2453200329690075dd6264b319861c57cbd99c5e15186193543b747
SHA5120c805f82a2cc9a411aefee21466e42dd5988c6e69f048215982316fedf7e5530ea309bd8bea1f7b3d73bd8b38d07d96762ab48815a20ebccaaf0deb0141f7c73