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Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2025, 17:44 UTC
Behavioral task
behavioral1
Sample
3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll
Resource
win7-20240903-en
General
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Target
3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll
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Size
76KB
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MD5
1a3186890b5071db784d0c9ea5148620
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SHA1
11a4c53e6f00205477a3e5b6163af81f4eeb8955
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SHA256
3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20
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SHA512
76ccd5729eb908a96f124f835379dcf1acf0de286142a31a367e6737dc64b6f9a524ab1036a1d7b5a32bdf860c89b7c5e10f468d74ea3da96849fcc74f5ca95b
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZdaSvrn8:c8y93KQjy7G55riF1cMo03dr8
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1688-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1688-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4996 1688 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1688 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 1688 5032 rundll32.exe 83 PID 5032 wrote to memory of 1688 5032 rundll32.exe 83 PID 5032 wrote to memory of 1688 5032 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 7003⤵
- Program crash
PID:4996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1688 -ip 16881⤵PID:4332
Network
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Remote address:8.8.8.8:53Request154.239.44.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request85.49.80.91.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request72.32.126.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request133.211.185.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request50.23.12.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request206.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request206.23.85.13.in-addr.arpaIN PTR
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Remote address:8.8.8.8:53Request48.229.111.52.in-addr.arpaIN PTRResponse
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72 B 158 B 1 1
DNS Request
154.239.44.20.in-addr.arpa
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70 B 145 B 1 1
DNS Request
85.49.80.91.in-addr.arpa
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71 B 157 B 1 1
DNS Request
72.32.126.40.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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73 B 147 B 1 1
DNS Request
133.211.185.52.in-addr.arpa
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70 B 156 B 1 1
DNS Request
50.23.12.20.in-addr.arpa
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142 B 145 B 2 1
DNS Request
206.23.85.13.in-addr.arpa
DNS Request
206.23.85.13.in-addr.arpa
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72 B 158 B 1 1
DNS Request
48.229.111.52.in-addr.arpa