Analysis
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max time kernel
119s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-12-2024 15:55
Static task
static1
Behavioral task
behavioral1
Sample
b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
Resource
win10v2004-20241007-en
General
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Target
b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
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Size
77.0MB
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MD5
d4f40910302d717a436b72e3acb3b9b4
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SHA1
fcb3a4723dceea6d8c41245805e8f5a2027865c3
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SHA256
b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e
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SHA512
f552f142eb6a5fc93bf32465cec8c50fd8313f41aa957cae633cb13cb345bc22d0391b5bbfd7478797d1857019d21c7a5d3429039e3e4e87750750dc12812f43
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SSDEEP
24576:jtb20pkaCqT5TBWgNQ7azo8bMwaMXx4fD/J6A:gVg5tQ7azoCMwaMit5
Malware Config
Extracted
vipkeylogger
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.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 1928 set thread context of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 -
Program crash 1 IoCs
pid pid_target Process procid_target 2532 1928 WerFault.exe 30 -
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 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2292 svchost.exe 2292 svchost.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2292 svchost.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1928 wrote to memory of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 PID 1928 wrote to memory of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 PID 1928 wrote to memory of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 PID 1928 wrote to memory of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 PID 1928 wrote to memory of 2292 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 31 PID 1928 wrote to memory of 2532 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 32 PID 1928 wrote to memory of 2532 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 32 PID 1928 wrote to memory of 2532 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 32 PID 1928 wrote to memory of 2532 1928 b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe"C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.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:2292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 3122⤵
- Program crash
PID:2532
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