Analysis
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max time kernel
95s -
max time network
97s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-04-2021 12:03
Static task
static1
General
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Target
0dd2c975f061212d8c7a143e0bcfd7b0cd1cb34c7be8640676ae0cc7fd768cbd.dll
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Size
196KB
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MD5
876df732028658b5adcbade4543bd994
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SHA1
b030fbc4b6ede0471e1ec27a086cf7edd0a379a6
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SHA256
0dd2c975f061212d8c7a143e0bcfd7b0cd1cb34c7be8640676ae0cc7fd768cbd
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SHA512
a4405d3c18b8607e4b60cd6c1d245ff30e7e26e96147fdc8c2967faf7dc9ae03693f595f043f484ffce137994a6a96794ae98c773b5d6860f10ca0e8f58e8b77
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/4724-3-0x0000000075A50000-0x0000000075A83000-memory.dmp dridex_ldr behavioral1/memory/4724-5-0x0000000075A50000-0x0000000075A6F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 11 4724 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 4684 wrote to memory of 4724 4684 rundll32.exe rundll32.exe PID 4684 wrote to memory of 4724 4684 rundll32.exe rundll32.exe PID 4684 wrote to memory of 4724 4684 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0dd2c975f061212d8c7a143e0bcfd7b0cd1cb34c7be8640676ae0cc7fd768cbd.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0dd2c975f061212d8c7a143e0bcfd7b0cd1cb34c7be8640676ae0cc7fd768cbd.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/4724-2-0x0000000000000000-mapping.dmp
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memory/4724-3-0x0000000075A50000-0x0000000075A83000-memory.dmpFilesize
204KB
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memory/4724-4-0x0000000002DF0000-0x0000000002DF6000-memory.dmpFilesize
24KB
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memory/4724-5-0x0000000075A50000-0x0000000075A6F000-memory.dmpFilesize
124KB