Analysis
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max time kernel
20s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-06-2021 12:40
Static task
static1
General
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Target
4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll
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Size
162KB
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MD5
ba3fc34bc6a24cba1fec0f5704e7ea1a
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SHA1
e741fee89f6ee53e37de7490e4456a9e84f8b604
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SHA256
4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede
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SHA512
5a03cf8a70be9278f1b4abb0f69018cc78633598d8005880a5c797b640b87fa8b4413d411ab2255070f73f62cc4c055c72e04e3d77ff40aa9f400b76ac6ee9e7
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/1828-115-0x0000000073660000-0x000000007368E000-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 4092 wrote to memory of 1828 4092 rundll32.exe 69 PID 4092 wrote to memory of 1828 4092 rundll32.exe 69 PID 4092 wrote to memory of 1828 4092 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4b5049e2c77409be2b8f817327cd0f95dc393eec1c29054b8fbb300493a2cede.dll,#12⤵
- Checks whether UAC is enabled
PID:1828
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