Analysis
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max time kernel
94s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 19:52
Static task
static1
Behavioral task
behavioral1
Sample
cr.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cr.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
cr.exe
Resource
win7-20240903-en
General
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Target
cr.dll
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Size
1.3MB
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MD5
b84adb0bdb3a80fee8b3c7266f9661f0
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SHA1
869eea2c4ff200d72c795b10b2ec854f2647da12
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SHA256
9af602083fec1e778e9bbf417f53667b6186643ca39ff722c06d28de9350e95e
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SHA512
9be66205cbaf531668c2cf4990cd0ea10e264dd04a7af47511a893e0187c51b9bc9fe92ba38661fde597f3d994c8bc226d90796a4ae7fa0f36fd4453dfb6ea4f
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SSDEEP
12288:ubgosxiDmnuka+tK2gKpI6P8FNijbF6oxz/HKBTnzEoQQfL:YgDmYGijb1z6TnzEoQQfL
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 5068 4824 WerFault.exe 83 -
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 2068 wrote to memory of 4824 2068 rundll32.exe 83 PID 2068 wrote to memory of 4824 2068 rundll32.exe 83 PID 2068 wrote to memory of 4824 2068 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4824 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 8083⤵
- Program crash
PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4824 -ip 48241⤵PID:2544