Analysis
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max time kernel
123s -
max time network
123s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
07b5a88d6e28c218992e1b6b663aa685.dll
Resource
win7-en-20211014
0 signatures
0 seconds
General
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Target
07b5a88d6e28c218992e1b6b663aa685.dll
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Size
750KB
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MD5
07b5a88d6e28c218992e1b6b663aa685
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SHA1
ca839ee407bbc33b38d9a8a51e0b6909ff5b2aca
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SHA256
c0a9d7b9e3f618348dc14c887470ea9f53f5ea3011ba41504cb6c71c1ee3bdab
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SHA512
7785e3aa330d469be13a80a8bbfe84521533d45ebabfe68b03d88367ec57abd8f03a4ea695ff5f674aa337041e1eb553c9adff3b7b25ad186d38b29c1a36f40e
Malware Config
Extracted
Family
dridex
Botnet
10555
C2
192.46.210.220:443
143.244.140.214:808
45.77.0.96:6891
185.56.219.47:8116
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 1600 rundll32.exe 6 1600 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 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe PID 1540 wrote to memory of 1600 1540 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\07b5a88d6e28c218992e1b6b663aa685.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\07b5a88d6e28c218992e1b6b663aa685.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1600-55-0x0000000000000000-mapping.dmp
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memory/1600-56-0x00000000754A1000-0x00000000754A3000-memory.dmpFilesize
8KB
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memory/1600-57-0x0000000074930000-0x00000000749F9000-memory.dmpFilesize
804KB
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memory/1600-58-0x0000000074930000-0x000000007496D000-memory.dmpFilesize
244KB
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memory/1600-59-0x0000000074930000-0x00000000749F9000-memory.dmpFilesize
804KB
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memory/1600-61-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB