Analysis
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max time kernel
29s -
max time network
139s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
06-03-2021 04:35
Static task
static1
Behavioral task
behavioral1
Sample
dd546aeee1cf6cc361af3ff6e5168fe8ec5340ce4c649535b304ed68e0390dc2.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
dd546aeee1cf6cc361af3ff6e5168fe8ec5340ce4c649535b304ed68e0390dc2.dll
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Size
168KB
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MD5
2f2ccbd57ed187247b2f9bf3402cb695
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SHA1
ba6c765f5db3475914856a9b04f888582a80e7c0
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SHA256
dd546aeee1cf6cc361af3ff6e5168fe8ec5340ce4c649535b304ed68e0390dc2
-
SHA512
8c87c5aa7a89c4f90fdaba01d3f9c65fe1507752f6fdf9372a9ba859f69c812d6ecbe4b4dfcc8375669e5a147a4fc8f2a61bc3c06063a73c2a5238f79f53e958
Malware Config
Extracted
Family
dridex
Botnet
111
C2
173.203.78.138:443
217.160.107.189:6601
77.220.64.150:5037
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral2/memory/796-3-0x0000000073DE0000-0x0000000073E0C000-memory.dmp dridex_ldr behavioral2/memory/796-5-0x0000000073DE0000-0x0000000073DFF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 14 796 rundll32.exe 16 796 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 412 wrote to memory of 796 412 rundll32.exe rundll32.exe PID 412 wrote to memory of 796 412 rundll32.exe rundll32.exe PID 412 wrote to memory of 796 412 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dd546aeee1cf6cc361af3ff6e5168fe8ec5340ce4c649535b304ed68e0390dc2.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dd546aeee1cf6cc361af3ff6e5168fe8ec5340ce4c649535b304ed68e0390dc2.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/796-2-0x0000000000000000-mapping.dmp
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memory/796-3-0x0000000073DE0000-0x0000000073E0C000-memory.dmpFilesize
176KB
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memory/796-4-0x0000000000680000-0x0000000000686000-memory.dmpFilesize
24KB
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memory/796-5-0x0000000073DE0000-0x0000000073DFF000-memory.dmpFilesize
124KB