Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-04-2021 10:18
Static task
static1
Behavioral task
behavioral1
Sample
5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll
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Size
196KB
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MD5
418105d402929f4ebc6fbc33cc01b052
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SHA1
6a888162ecc8ae448782ca205e6487d11f04d2de
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SHA256
5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0
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SHA512
7a2b3269ba7a2bedc6de776fa122ae8c2dc3fb89792e54a9605fe8538e564d7418a18df1dd6fe5079fabaebec97913b5f167f64ce0bab3803c2c53ccaa1fb08d
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/2012-4-0x00000000748E0000-0x0000000074913000-memory.dmp dridex_ldr behavioral1/memory/2012-6-0x00000000748E0000-0x00000000748FF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 4 2012 rundll32.exe 7 2012 rundll32.exe 8 2012 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 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 2012 1888 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5348aa90f4c7097ea7f53aad9ecfcd1f5847b755e535ef59f07527b273e65fe0.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/592-7-0x000007FEF6080000-0x000007FEF62FA000-memory.dmpFilesize
2.5MB
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memory/2012-2-0x0000000000000000-mapping.dmp
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memory/2012-3-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
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memory/2012-4-0x00000000748E0000-0x0000000074913000-memory.dmpFilesize
204KB
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memory/2012-5-0x0000000000180000-0x0000000000186000-memory.dmpFilesize
24KB
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memory/2012-6-0x00000000748E0000-0x00000000748FF000-memory.dmpFilesize
124KB