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Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 15:25
Behavioral task
behavioral1
Sample
347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe
Resource
win10v2004-20220812-en
General
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Target
347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe
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Size
2.4MB
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MD5
ef74344c5d624d2104b9c48a988590c2
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SHA1
dfb06c73812bba65f39fd3932ee813a280f02397
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SHA256
347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f
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SHA512
5fdacd928be2e5a3e42e7bb7e60295a8c6349a1085c6c862b1499eb129b974dff8421c23ee4763909f0ee2c0a6e9980141bed095142e251f7cc68103df6ec0be
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SSDEEP
24576:QI5DiFaGia+0TedS4TqeCOuA/CMT/Pk+KXZth4O9/7Xgw6WvnIrKMBbIb3+oTfpv:QFAoe9DuAKMTji4ONPmrIfvRbJ2Sh
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 916 taskkill.exe -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?k44888685" 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe Token: SeDebugPrivilege 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1000 wrote to memory of 916 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 27 PID 1000 wrote to memory of 916 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 27 PID 1000 wrote to memory of 916 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 27 PID 1000 wrote to memory of 916 1000 347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe"C:\Users\Admin\AppData\Local\Temp\347740279a4355bd88dc3010554d48d6282ea58806fcd6ddc8cf53d05608a13f.exe"1⤵
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /DNF.exe.manifest2⤵
- Kills process with taskkill
PID:916
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