Analysis
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max time kernel
110s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2025, 13:20
Static task
static1
Behavioral task
behavioral1
Sample
COMMERCIAL INVOICE-0125649.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
COMMERCIAL INVOICE-0125649.exe
Resource
win10v2004-20250313-en
General
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Target
COMMERCIAL INVOICE-0125649.exe
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Size
1.3MB
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MD5
e5daebb3ae95ef647abae065c439cd3f
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SHA1
40a9a3d08bbcf8781858bca10560cd049c6b2415
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SHA256
12d1e667249b08f89e4ee20b883da8d2496b5221bb0d4241bcc933aa8146ada7
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SHA512
27d85798b3aa7e61c197365ab271cb6659f334895e6be4264973e4cf9270bfff3563c5a3e58b18496491142b7317d91c01ecd3a91ec37934d459972b0a11c30b
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SSDEEP
24576:eAZBbTOOFGoKtlGO9oFSN+yiQ7srt1JD6pOSsSSBy:eSVTOIGoKtCFb6kt3LvSwy
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
25 - Username:
[email protected] - Password:
moneyismade22 - Email To:
[email protected]
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5408 created 3572 5408 COMMERCIAL INVOICE-0125649.exe 56 -
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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Path.vbs COMMERCIAL INVOICE-0125649.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 21 checkip.dyndns.org 28 reallyfreegeoip.org 29 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5408 set thread context of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 -
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 COMMERCIAL INVOICE-0125649.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 5408 COMMERCIAL INVOICE-0125649.exe 4944 InstallUtil.exe 4944 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5408 COMMERCIAL INVOICE-0125649.exe Token: SeDebugPrivilege 5408 COMMERCIAL INVOICE-0125649.exe Token: SeDebugPrivilege 4944 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 PID 5408 wrote to memory of 4944 5408 COMMERCIAL INVOICE-0125649.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3572
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C:\Users\Admin\AppData\Local\Temp\COMMERCIAL INVOICE-0125649.exe"C:\Users\Admin\AppData\Local\Temp\COMMERCIAL INVOICE-0125649.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5408
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:4944
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