Analysis
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max time kernel
56s -
max time network
60s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-03-2021 09:31
Static task
static1
General
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Target
90b610193cd117ad8811fed559d01294c95fd4805a41b441e8a9e934cf0fbc21.dll
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Size
196KB
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MD5
b7579c3297f6185feac1aa98321543ba
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SHA1
e16610eca90ebe398e06422e0ae40a829293b61c
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SHA256
90b610193cd117ad8811fed559d01294c95fd4805a41b441e8a9e934cf0fbc21
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SHA512
2d84fb8b2c88630c19c4ab010c1feab21793d4fa0acd3bf4047e519dd9dc69edae2e034f0e1b282d1f8c581776eaa8679ee841b0ff743756a00899064c7f9b60
Malware Config
Extracted
Family
dridex
Botnet
111
C2
37.247.35.132:443
50.243.30.51:6601
162.241.204.234:6516
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/1300-4-0x0000000075160000-0x0000000075193000-memory.dmp dridex_ldr behavioral1/memory/1300-6-0x0000000075160000-0x000000007517F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 1300 rundll32.exe 8 1300 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 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe PID 2008 wrote to memory of 1300 2008 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90b610193cd117ad8811fed559d01294c95fd4805a41b441e8a9e934cf0fbc21.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90b610193cd117ad8811fed559d01294c95fd4805a41b441e8a9e934cf0fbc21.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/1096-7-0x000007FEF6850000-0x000007FEF6ACA000-memory.dmpFilesize
2.5MB
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memory/1300-2-0x0000000000000000-mapping.dmp
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memory/1300-3-0x0000000076641000-0x0000000076643000-memory.dmpFilesize
8KB
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memory/1300-4-0x0000000075160000-0x0000000075193000-memory.dmpFilesize
204KB
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memory/1300-5-0x0000000000190000-0x0000000000196000-memory.dmpFilesize
24KB
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memory/1300-6-0x0000000075160000-0x000000007517F000-memory.dmpFilesize
124KB