Analysis
-
max time kernel
35s -
max time network
76s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
21-04-2021 15:59
Static task
static1
General
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Target
bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll
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Size
162KB
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MD5
770a5da239b414ab72c3a798976a4130
-
SHA1
28c8eaad0918262184f150659d0cbf95306a6308
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SHA256
bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963
-
SHA512
197287e3560027ffa195ff81b6b133365901d80376a418c01cf0985dfcfffe6c50dcabb0d9ee7910e4503074928e0ee66af7335c901c006240e2226fdf59b2a6
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
-
Processes:
resource yara_rule behavioral1/memory/4744-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4652 wrote to memory of 4744 4652 rundll32.exe rundll32.exe PID 4652 wrote to memory of 4744 4652 rundll32.exe rundll32.exe PID 4652 wrote to memory of 4744 4652 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bbf1de26cd9eaf98825ee98d8a9758cc02d911d29d12df25351d89b9811cc963.dll,#12⤵
- Checks whether UAC is enabled