Analysis
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max time kernel
60s -
max time network
59s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-03-2021 03:03
Static task
static1
General
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Target
698b8994747285e8e478e3e1cd11d31b2d16f22f3eb9a9d933fab5769ce25286.dll
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Size
196KB
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MD5
ab2dea8c48d42208d9cffda58bb99344
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SHA1
a74d2d918e702c25d1c53f27e87bdbe5d577d1af
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SHA256
698b8994747285e8e478e3e1cd11d31b2d16f22f3eb9a9d933fab5769ce25286
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SHA512
e5fe1abad928c1439bef34146c887dbb4aa4c1a53dd6afc9184bf04c23340fb12bcd9226ecdaa2b0820f966244c38a9aabc21cbaefa07b1c6b2967ac50278438
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/1952-4-0x0000000074AC0000-0x0000000074AF3000-memory.dmp dridex_ldr behavioral1/memory/1952-6-0x0000000074AC0000-0x0000000074ADF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 1952 rundll32.exe 8 1952 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 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe PID 1812 wrote to memory of 1952 1812 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\698b8994747285e8e478e3e1cd11d31b2d16f22f3eb9a9d933fab5769ce25286.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\698b8994747285e8e478e3e1cd11d31b2d16f22f3eb9a9d933fab5769ce25286.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/1632-7-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmpFilesize
2.5MB
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memory/1952-2-0x0000000000000000-mapping.dmp
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memory/1952-3-0x0000000076241000-0x0000000076243000-memory.dmpFilesize
8KB
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memory/1952-4-0x0000000074AC0000-0x0000000074AF3000-memory.dmpFilesize
204KB
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memory/1952-5-0x00000000001C0000-0x00000000001C6000-memory.dmpFilesize
24KB
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memory/1952-6-0x0000000074AC0000-0x0000000074ADF000-memory.dmpFilesize
124KB