Analysis
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max time kernel
60s -
max time network
59s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-03-2021 06:03
Static task
static1
General
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Target
098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll
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Size
196KB
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MD5
ba6c9a663cbb4166852ab6643e32c986
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SHA1
a89fa67d52c9d252c557d3d247e4323e5d1f20d6
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SHA256
098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e
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SHA512
c84ec3eb676c5a961db54f8c5bef93a1ac48128fd47b6cfe643a88b66e8f66f59fd43d0fa961558c982071c5d48e8dee9b5037bdf54c545fd5cbecb36054d8b2
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/2028-4-0x00000000745C0000-0x00000000745F3000-memory.dmp dridex_ldr behavioral1/memory/2028-6-0x00000000745C0000-0x00000000745DF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 2028 rundll32.exe 8 2028 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 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe PID 1656 wrote to memory of 2028 1656 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\098d26bbae963145c22f6468c71bda72763e31ed5f068470400746f8b013d12e.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1644-7-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmpFilesize
2.5MB
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memory/2028-2-0x0000000000000000-mapping.dmp
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memory/2028-3-0x0000000074D11000-0x0000000074D13000-memory.dmpFilesize
8KB
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memory/2028-4-0x00000000745C0000-0x00000000745F3000-memory.dmpFilesize
204KB
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memory/2028-5-0x0000000000140000-0x0000000000146000-memory.dmpFilesize
24KB
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memory/2028-6-0x00000000745C0000-0x00000000745DF000-memory.dmpFilesize
124KB