Analysis
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max time kernel
33s -
max time network
37s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2025, 14:53
Static task
static1
Behavioral task
behavioral1
Sample
AWB#5305323204643.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
AWB#5305323204643.exe
Resource
win10v2004-20250217-en
Errors
General
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Target
AWB#5305323204643.exe
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Size
1.8MB
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MD5
f4aafd3c1d6cd42208b22a1247c9173d
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SHA1
1fe9b387b96e6a6b2dc0736bea67a3a93b0357b6
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SHA256
fe82ebf70e17a486c040741c41f882d46bf2328986276bc4fcae991a2c126a18
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SHA512
746572fdd1dfed6465ffc065f1f3d5ade6d1f995af3fa16604872473023d657c587e26cde9fffbd5b000e0a7b0d7714a1e93bf3a86e79e2fcd1c586b3ec8df2a
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SSDEEP
49152:+19q39adgJW0w0s/2gzOkB8IaEAehfeeAi4jw0+EckLh0Y5Y:+19aJm/dOS8IXAehfSdwPVkLiL
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7552206830:AAGZUrvJgSRgT_tfVCG5NR-NdC35UuRR1yg/sendMessage?chat_id=6357516296
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3592 created 3424 3592 AWB#5305323204643.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\Unrestricted.vbs AWB#5305323204643.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\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 12 checkip.dyndns.org 25 reallyfreegeoip.org 28 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3592 set thread context of 2556 3592 AWB#5305323204643.exe 90 -
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 AWB#5305323204643.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3592 AWB#5305323204643.exe 3592 AWB#5305323204643.exe 3592 AWB#5305323204643.exe 2556 InstallUtil.exe 2556 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3592 AWB#5305323204643.exe Token: SeDebugPrivilege 3592 AWB#5305323204643.exe Token: SeDebugPrivilege 2556 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 PID 3592 wrote to memory of 2556 3592 AWB#5305323204643.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\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:3424
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C:\Users\Admin\AppData\Local\Temp\AWB#5305323204643.exe"C:\Users\Admin\AppData\Local\Temp\AWB#5305323204643.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:3592
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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:2556
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