Analysis
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max time kernel
19s -
max time network
126s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 12:21
Static task
static1
General
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Target
a52b99da06480ceb3359f9dec686a115f974e7cfb3dc2e9a4286da8232ea1677.dll
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Size
162KB
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MD5
1a4b6ab96bbc0cfa0b755acb9f671504
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SHA1
b8b5f82f888a8087f6433b4fe05627d5510bb853
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SHA256
a52b99da06480ceb3359f9dec686a115f974e7cfb3dc2e9a4286da8232ea1677
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SHA512
d70111828644b09fe3c00cefdff6c64e9aab460dcc5b470bac15983bcdff4699612849e525db4c839a58abb06a66c0322d24cebd550aaccced30582f73c40d51
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/3544-115-0x0000000073A70000-0x0000000073A9E000-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 3544 1696 rundll32.exe 69 PID 1696 wrote to memory of 3544 1696 rundll32.exe 69 PID 1696 wrote to memory of 3544 1696 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a52b99da06480ceb3359f9dec686a115f974e7cfb3dc2e9a4286da8232ea1677.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a52b99da06480ceb3359f9dec686a115f974e7cfb3dc2e9a4286da8232ea1677.dll,#12⤵
- Checks whether UAC is enabled
PID:3544
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