Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 20:17
Static task
static1
Behavioral task
behavioral1
Sample
start.exe
Resource
win7-20240903-en
General
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Target
start.exe
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Size
384KB
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MD5
3318168ae9a79bebdbca98281974ea70
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SHA1
a1c84b04cd756628f955abd4dec707d946d9a84f
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SHA256
5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706
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SHA512
ae3e42d079055d75f4c1dc8afe9c994e9d42fbd1e34eb51976f7a8b74895eebd04411649c7661f59286967f2a72e730f8bd2efb670c30335622250dcdd45de61
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SSDEEP
6144:kmQ5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:kmQaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN
Malware Config
Extracted
vidar
56.1
1375
https://t.me/dishasta
https://steamcommunity.com/profiles/76561199441933804
http://167.235.150.8:80
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profile_id
1375
Signatures
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Vidar family
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Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
start.exedescription pid Process procid_target PID 3140 set thread context of 4984 3140 start.exe 83 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3692 3140 WerFault.exe 81 -
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.
Processes:
start.exevbc.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language start.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
start.exedescription pid Process procid_target PID 3140 wrote to memory of 4984 3140 start.exe 83 PID 3140 wrote to memory of 4984 3140 start.exe 83 PID 3140 wrote to memory of 4984 3140 start.exe 83 PID 3140 wrote to memory of 4984 3140 start.exe 83 PID 3140 wrote to memory of 4984 3140 start.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\start.exe"C:\Users\Admin\AppData\Local\Temp\start.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4984
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2922⤵
- Program crash
PID:3692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 31401⤵PID:1604