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Analysis
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max time kernel
21s -
max time network
89s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 22:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3b3aeef0fb9a412fa69d2f730e433d88.exe
Resource
win7-20231129-en
4 signatures
150 seconds
General
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Target
3b3aeef0fb9a412fa69d2f730e433d88.exe
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Size
304KB
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MD5
3b3aeef0fb9a412fa69d2f730e433d88
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SHA1
6a6633b0d0f658f9802263d26a1f6920d8c0f2f9
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SHA256
8dd2a56704198ab57a70bc7e8f8d338126af40cfe4a00a7c67dbecda59f648cd
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SHA512
655928e21eb9107dfa069142a990ce520fbd0d4510e97d93e885bd9301f772f6da8ea7c81a56ef83430674ccfcfa7836ee0d88446231622a0c4ba286e99fc306
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SSDEEP
6144:MQdGOa5xUj69oyYqcadDXnounnwnNOk2cxb:MQDa5xQa7cCMunbvcF
Malware Config
Signatures
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 36 freegeoip.app -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 5116 3020 WerFault.exe 16 -
Kills process with taskkill 1 IoCs
pid Process 1468 taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3b3aeef0fb9a412fa69d2f730e433d88.exe"C:\Users\Admin\AppData\Local\Temp\3b3aeef0fb9a412fa69d2f730e433d88.exe"1⤵PID:3020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 17522⤵
- Program crash
PID:5116
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "3b3aeef0fb9a412fa69d2f730e433d88.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3b3aeef0fb9a412fa69d2f730e433d88.exe" & exit2⤵PID:1640
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "3b3aeef0fb9a412fa69d2f730e433d88.exe" /f1⤵
- Kills process with taskkill
PID:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3020 -ip 30201⤵PID:2688