Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21/10/2022, 05:25
Static task
static1
Behavioral task
behavioral1
Sample
a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe
Resource
win10v2004-20220812-en
General
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Target
a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe
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Size
37KB
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MD5
705dd8ca51dd67a5387469ea2d5bb299
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SHA1
7a9fe18398025107b8329853f1ee965c63c9fce5
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SHA256
a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd
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SHA512
1786817600c77bc8abfcea5c54ea3b55a99745f9f9c385916d92f89d604879110406252b8ea15c591d2a6259db4a168caf21b0ae0d125e32f0c1c6a074e4632b
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SSDEEP
768:jpuxbbb93pfzxWt7QYQ8IgDidhHPjAJYvHF0lwY437avXKrnrE:j0Rbb5WRQYt9ir/2wraT
Malware Config
Signatures
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Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 50.7.247.251 Destination IP 50.7.247.251 Destination IP 50.7.247.251 Destination IP 50.7.247.251 Destination IP 50.7.247.251 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4912 set thread context of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Fonts\0E7j2JL.com a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe File opened for modification C:\Windows\Fonts\0E7j2JL.com a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5108 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 5108 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82 PID 4912 wrote to memory of 5108 4912 a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe"C:\Users\Admin\AppData\Local\Temp\a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Users\Admin\AppData\Local\Temp\a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exeC:\Users\Admin\AppData\Local\Temp\a1bc30ae56247a8a7c924b8c04284359c24466b1e14d70fdeb91eb2fcc2700bd.exe2⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:5108
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:228