Analysis
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max time kernel
25s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-06-2021 09:35
Static task
static1
General
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Target
257cb85ff403a3996c7dcb3b439947296cd920cbaab776964ba5d4ea14076cdb.dll
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Size
162KB
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MD5
33ea030806cf7a547ecc48f8d74424bc
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SHA1
555fa8a34bb89131bdf3a08b55a6c399ed50b323
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SHA256
257cb85ff403a3996c7dcb3b439947296cd920cbaab776964ba5d4ea14076cdb
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SHA512
7f66dcb12b86f0aad4e247f5a72b62e36482f89dcb45236f8de4a725be1790da928b4ef87471261afafe6672bd9ea21efc7b1a2682fce5f53353a067bf88e291
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/1300-115-0x0000000074440000-0x000000007446E000-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 656 wrote to memory of 1300 656 rundll32.exe 70 PID 656 wrote to memory of 1300 656 rundll32.exe 70 PID 656 wrote to memory of 1300 656 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\257cb85ff403a3996c7dcb3b439947296cd920cbaab776964ba5d4ea14076cdb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\257cb85ff403a3996c7dcb3b439947296cd920cbaab776964ba5d4ea14076cdb.dll,#12⤵
- Checks whether UAC is enabled
PID:1300
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