Analysis
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max time kernel
119s -
max time network
125s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
e87600f11c67d2d8ac34f660bf737d41.dll
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
General
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Target
e87600f11c67d2d8ac34f660bf737d41.dll
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Size
750KB
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MD5
e87600f11c67d2d8ac34f660bf737d41
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SHA1
b1c1152bfeee0bf51634829b061afd1826aaf5d5
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SHA256
b1a0aeb53b2711972011ec2c0501f5fb5ea1dc075403a0c4db963d07e7160b94
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SHA512
9c131fdb9ead4d94e9844d08c5be31e1a07972a0d3b9e87908fa3d4b27282cba9f622b21f192f4b6f958a339e07d54d129ab90e5c72f72252aaf1878de2e90ac
Malware Config
Extracted
Family
dridex
Botnet
10555
C2
192.46.210.220:443
143.244.140.214:808
45.77.0.96:6891
185.56.219.47:8116
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 3 764 rundll32.exe 6 764 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 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe PID 1884 wrote to memory of 764 1884 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e87600f11c67d2d8ac34f660bf737d41.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e87600f11c67d2d8ac34f660bf737d41.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/764-54-0x0000000000000000-mapping.dmp
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memory/764-55-0x00000000765A1000-0x00000000765A3000-memory.dmpFilesize
8KB
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memory/764-56-0x00000000752D0000-0x0000000075399000-memory.dmpFilesize
804KB
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memory/764-57-0x00000000752D0000-0x000000007530D000-memory.dmpFilesize
244KB
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memory/764-58-0x00000000752D0000-0x0000000075399000-memory.dmpFilesize
804KB
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memory/764-60-0x00000000000B0000-0x00000000000B1000-memory.dmpFilesize
4KB