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Analysis
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max time kernel
30s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
13/04/2023, 02:59
Behavioral task
behavioral1
Sample
2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe
Resource
win10v2004-20230220-en
General
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Target
2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe
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Size
244KB
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MD5
751df604e41a7e473fd3817b4c16d5f6
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SHA1
30d6eacf97d1a5e6ec191f75a8eb16d9da54f218
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SHA256
be7c6e308b1d8a20cc46232fc95f6c094717f05cadb0c7a03108d969b561f68e
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SHA512
6c546d46e6b7c0adffee2bdcf2b85b786b57fbf73c4213e39bf54e4ceaceaa5f143e0e9d57d0398464074e46c0242bd649fa80615d1dc3db32f08b061a7629d7
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SSDEEP
6144:8+jn7PfWDycKPudCuS74kvw6Mr9zmduLb+70pKXQl29ur4cm:8+gycSzre2q+70pKXQl29ur4c
Malware Config
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral1/memory/2040-54-0x0000000001330000-0x0000000001374000-memory.dmp family_chaos behavioral1/memory/2040-55-0x000000001B2F0000-0x000000001B370000-memory.dmp family_chaos -
Program crash 1 IoCs
pid pid_target Process procid_target 2020 2040 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2040 wrote to memory of 2020 2040 2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe 28 PID 2040 wrote to memory of 2020 2040 2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe 28 PID 2040 wrote to memory of 2020 2040 2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2023-04-12_751df604e41a7e473fd3817b4c16d5f6_wannacry.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2040 -s 6242⤵
- Program crash
PID:2020
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