Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
03-12-2024 16:48
Static task
static1
Behavioral task
behavioral1
Sample
066b848407c352a6aa9296bdfae6b27cc878fa27e02ec054f758df83f5c44654.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
066b848407c352a6aa9296bdfae6b27cc878fa27e02ec054f758df83f5c44654.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
chechako.com
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
chechako.com
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
4d3b19a81bd51f8ce44b93643a4e3a99
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SHA1
35f8b00e85577b014080df98bd2c378351d9b3e9
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SHA256
fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
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SHA512
b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
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SSDEEP
192:BPtkumJX7zB22kGwfy0mtVgkCPOse1un:u702k5qpdseQn
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2308 1936 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 2172 wrote to memory of 1936 2172 rundll32.exe 29 PID 1936 wrote to memory of 2308 1936 rundll32.exe 30 PID 1936 wrote to memory of 2308 1936 rundll32.exe 30 PID 1936 wrote to memory of 2308 1936 rundll32.exe 30 PID 1936 wrote to memory of 2308 1936 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 2243⤵
- Program crash
PID:2308
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