Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-12-2024 14:42
Static task
static1
Behavioral task
behavioral1
Sample
b7303a968a3a0198dce343fcea8e5e11a9ed7dbf8b7515ec12e15c88ed6b42fd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b7303a968a3a0198dce343fcea8e5e11a9ed7dbf8b7515ec12e15c88ed6b42fd.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
enevoldsherredmmets/chechako.com
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
enevoldsherredmmets/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 2284 1880 WerFault.exe 31 -
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 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1916 wrote to memory of 1880 1916 rundll32.exe 31 PID 1880 wrote to memory of 2284 1880 rundll32.exe 32 PID 1880 wrote to memory of 2284 1880 rundll32.exe 32 PID 1880 wrote to memory of 2284 1880 rundll32.exe 32 PID 1880 wrote to memory of 2284 1880 rundll32.exe 32
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:1916 -
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:1880 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 2243⤵
- Program crash
PID:2284
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