Analysis
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max time kernel
37s -
max time network
94s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
24-02-2021 23:40
Static task
static1
Behavioral task
behavioral1
Sample
dbb500317ab5c786b46032dabdac4e80ebb99f59d12d2ec4f52ef3e7b3339505.dll
Resource
win7v20201028
General
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Target
dbb500317ab5c786b46032dabdac4e80ebb99f59d12d2ec4f52ef3e7b3339505.dll
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Size
188KB
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MD5
f2817b9429d9f4f551a4521ffeaade03
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SHA1
824a2894a7fd8170033fa7f128a95c4fc88aade4
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SHA256
dbb500317ab5c786b46032dabdac4e80ebb99f59d12d2ec4f52ef3e7b3339505
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SHA512
a544077d99f5d0548bf49d2faef54a458abf18e58b30e99f69071a336f0a0d2e5223d98c05fb1924e36c794c55caacc4d4634421b2a08a1adeb1140487de7747
Malware Config
Extracted
dridex
111
209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516
Signatures
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Processes:
resource yara_rule behavioral1/memory/1496-5-0x0000000075240000-0x0000000075271000-memory.dmp dridex_ldr behavioral1/memory/1496-7-0x0000000075240000-0x000000007525F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 1496 rundll32.exe 7 1496 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 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1496 1632 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dbb500317ab5c786b46032dabdac4e80ebb99f59d12d2ec4f52ef3e7b3339505.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dbb500317ab5c786b46032dabdac4e80ebb99f59d12d2ec4f52ef3e7b3339505.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/1496-2-0x0000000000000000-mapping.dmp
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memory/1496-3-0x0000000076341000-0x0000000076343000-memory.dmpFilesize
8KB
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memory/1496-4-0x0000000074ED0000-0x0000000075073000-memory.dmpFilesize
1.6MB
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memory/1496-5-0x0000000075240000-0x0000000075271000-memory.dmpFilesize
196KB
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memory/1496-6-0x00000000002E0000-0x00000000002E6000-memory.dmpFilesize
24KB
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memory/1496-7-0x0000000075240000-0x000000007525F000-memory.dmpFilesize
124KB
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memory/1688-8-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmpFilesize
2.5MB