Analysis
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max time kernel
122s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 952 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Mechanical Tendering Engineer – Infrastructure.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Mechanical Tendering Engineer – Infrastructure.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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 22 reallyfreegeoip.org 23 reallyfreegeoip.org 19 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 372 set thread context of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 -
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 3236 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 372 Mechanical Tendering Engineer – Infrastructure.exe 952 powershell.exe 372 Mechanical Tendering Engineer – Infrastructure.exe 2012 Mechanical Tendering Engineer – Infrastructure.exe 952 powershell.exe 2012 Mechanical Tendering Engineer – Infrastructure.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 372 Mechanical Tendering Engineer – Infrastructure.exe Token: SeDebugPrivilege 952 powershell.exe Token: SeDebugPrivilege 2012 Mechanical Tendering Engineer – Infrastructure.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 372 wrote to memory of 952 372 Mechanical Tendering Engineer – Infrastructure.exe 96 PID 372 wrote to memory of 952 372 Mechanical Tendering Engineer – Infrastructure.exe 96 PID 372 wrote to memory of 952 372 Mechanical Tendering Engineer – Infrastructure.exe 96 PID 372 wrote to memory of 3236 372 Mechanical Tendering Engineer – Infrastructure.exe 98 PID 372 wrote to memory of 3236 372 Mechanical Tendering Engineer – Infrastructure.exe 98 PID 372 wrote to memory of 3236 372 Mechanical Tendering Engineer – Infrastructure.exe 98 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 PID 372 wrote to memory of 2012 372 Mechanical Tendering Engineer – Infrastructure.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372 -
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:952
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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\tmp318.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3236
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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:2012
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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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD569a5033e733e6da63ad8caa17069de94
SHA13ca739e9737c36653067287a2d447470a14d73fe
SHA256eea77c2322a0f500a1c4e8553365e36b1fa77427188bfdcbe06dd6fcbcb11bf3
SHA51256335cc0fb069177bf47f08a4aabfad90e63453d29713bc737010500fe33f0289fa4b9306887335a063a0c6a2a241ef002029da209c66d2d30e06541b4deef32