Analysis
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max time kernel
22s -
max time network
143s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-04-2021 06:16
Static task
static1
Behavioral task
behavioral1
Sample
6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll
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Size
196KB
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MD5
4c1f78d8ee48ea5913ccef09b8e48185
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SHA1
1e763b37d2d2d07e71b1d7f5e065d208b8f08e56
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SHA256
6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40
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SHA512
4384700bfa6c173fd12a6174c1522f9955fe573aa273e6bd955476935937b0bfee6cb7d9680fe62381f705da7ab0125c4f74332468b7318fc92662589ce61a64
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 behavioral2/memory/4736-3-0x0000000074400000-0x0000000074433000-memory.dmp dridex_ldr behavioral2/memory/4736-5-0x0000000074400000-0x000000007441F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 22 4736 rundll32.exe 24 4736 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 4708 wrote to memory of 4736 4708 rundll32.exe rundll32.exe PID 4708 wrote to memory of 4736 4708 rundll32.exe rundll32.exe PID 4708 wrote to memory of 4736 4708 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6055160aeae8eb4cee49f45e16498c551af5104124727e42b4b93181a7845a40.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/4736-2-0x0000000000000000-mapping.dmp
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memory/4736-3-0x0000000074400000-0x0000000074433000-memory.dmpFilesize
204KB
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memory/4736-4-0x0000000000D10000-0x0000000000D16000-memory.dmpFilesize
24KB
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memory/4736-5-0x0000000074400000-0x000000007441F000-memory.dmpFilesize
124KB