Analysis
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max time kernel
18s -
max time network
126s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 12:37
Static task
static1
General
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Target
b7cf62fe8702cd28f979acfccd17ce44b8c4a0d2a72b47e46348e9c1d98e3a05.dll
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Size
162KB
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MD5
2af7b10dc4bd545f9ac31b394a53b928
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SHA1
ea5aabb2542fc7db02edeb391c75341b3ead14e3
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SHA256
b7cf62fe8702cd28f979acfccd17ce44b8c4a0d2a72b47e46348e9c1d98e3a05
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SHA512
d1660aea4ba7c74d66bb568eb25d9f4a0d225b0250434986917ece510fd0c7c2c865c177893b720b339acaec819912d984db502ca1fd2211868175799f6b6c04
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/4072-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1696 wrote to memory of 4072 1696 rundll32.exe 69 PID 1696 wrote to memory of 4072 1696 rundll32.exe 69 PID 1696 wrote to memory of 4072 1696 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7cf62fe8702cd28f979acfccd17ce44b8c4a0d2a72b47e46348e9c1d98e3a05.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7cf62fe8702cd28f979acfccd17ce44b8c4a0d2a72b47e46348e9c1d98e3a05.dll,#12⤵
- Checks whether UAC is enabled
PID:4072
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