Analysis
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max time kernel
120s -
max time network
120s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
b007b17a8d94a43d03af6b5b6635f4b7.dll
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
General
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Target
b007b17a8d94a43d03af6b5b6635f4b7.dll
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Size
750KB
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MD5
b007b17a8d94a43d03af6b5b6635f4b7
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SHA1
995cfbbcfa1f50da1c3293c6370c385e51221b92
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SHA256
c33275c9f08346b52bcb68850302237c849f210547e0affa4fc8e7b38e0cd233
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SHA512
0a1b0c3c107b435f8b12efb2aa815ee66cb64a5ca6a2988d568c0c5dfab3d44294597c08125c2226863b1ddd03b1864c2bb971a2cb3b5d930ed3fa7768eda4e8
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 1332 rundll32.exe 6 1332 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 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe PID 1088 wrote to memory of 1332 1088 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b007b17a8d94a43d03af6b5b6635f4b7.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b007b17a8d94a43d03af6b5b6635f4b7.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/1332-55-0x0000000000000000-mapping.dmp
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memory/1332-56-0x0000000075B71000-0x0000000075B73000-memory.dmpFilesize
8KB
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memory/1332-57-0x0000000074A10000-0x0000000074AD9000-memory.dmpFilesize
804KB
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memory/1332-58-0x0000000074A10000-0x0000000074A4D000-memory.dmpFilesize
244KB
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memory/1332-59-0x0000000074A10000-0x0000000074AD9000-memory.dmpFilesize
804KB
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memory/1332-61-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB