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Analysis
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max time kernel
139s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 07:25
Static task
static1
Behavioral task
behavioral1
Sample
tmps1r297a2.dll
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
tmps1r297a2.dll
Resource
win10v2004-20240802-en
General
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Target
tmps1r297a2.dll
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Size
273KB
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MD5
d04533fdbb455465721f437a2d849b8b
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SHA1
bd8217249cf01e86b44d2ec17280de79d19dfcfd
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SHA256
8e6d2b5bdfc4c1d3b88643a47aa13ab15005039456a7d4ebb078a42568a341b4
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SHA512
2ec1d78b4e3e65db7b2ccea768e7f1964347198af1b276bebf00a91125c2fc2c3649e54f1fc61cb94d3b03fc9091abe3cf220d515e501f4c2fcc7f06a22b70ff
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SSDEEP
6144:pIVsh0MxpsgoXiDlHU5N0CHzx6KyJzE0LMtSlzNhnrgWWgOf71q:vVmiZ05N0CHz85JYvkNh+gOT
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2724 1900 WerFault.exe 86 -
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 3 IoCs
description pid Process procid_target PID 1876 wrote to memory of 1900 1876 rundll32.exe 86 PID 1876 wrote to memory of 1900 1876 rundll32.exe 86 PID 1876 wrote to memory of 1900 1876 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmps1r297a2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmps1r297a2.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 6123⤵
- Program crash
PID:2724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1900 -ip 19001⤵PID:824