Analysis
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max time kernel
35s -
max time network
42s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
20-04-2021 05:21
Static task
static1
General
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Target
5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll
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Size
923KB
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MD5
faa1d202f40fdc1e39b8984a5bc1157d
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SHA1
6616e6802419b84fec839cc55ff62fd1539f3ff4
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SHA256
5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991
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SHA512
fed8bfcdd67da04f995f8fbd00d8b84146358f8cde2d18ad62fff72429a2cb0a9b87d30fa785eaf90265fcecac7f0429e05fb114ba2080a45dc8f817d6cba63b
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
146.185.170.249:443
62.75.251.60:6601
185.148.168.25:2303
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/2256-115-0x00000000739D0000-0x0000000073A0D000-memory.dmp dridex_ldr behavioral1/memory/2256-116-0x00000000739D0000-0x0000000073AD0000-memory.dmp dridex_ldr -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 13 2256 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 2016 wrote to memory of 2256 2016 rundll32.exe rundll32.exe PID 2016 wrote to memory of 2256 2016 rundll32.exe rundll32.exe PID 2016 wrote to memory of 2256 2016 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5373421ffc8659aacb50c444a2fc53a72166a4580080b1207cf5f9526e749991.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2256-114-0x0000000000000000-mapping.dmp
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memory/2256-115-0x00000000739D0000-0x0000000073A0D000-memory.dmpFilesize
244KB
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memory/2256-116-0x00000000739D0000-0x0000000073AD0000-memory.dmpFilesize
1024KB
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memory/2256-179-0x0000000002F30000-0x0000000002FDE000-memory.dmpFilesize
696KB