Analysis
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max time kernel
29s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:01
Static task
static1
Behavioral task
behavioral1
Sample
533dd75c72e307755761a1d5a4bfcf511b122c7d8d2a3adf7e3b81b725557c34.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
533dd75c72e307755761a1d5a4bfcf511b122c7d8d2a3adf7e3b81b725557c34.dll
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Size
162KB
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MD5
f975d4ed242fa53ec1ad72072ef9f4ef
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SHA1
87ec910dae7ff30ca78c243680bf930a0e00500c
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SHA256
533dd75c72e307755761a1d5a4bfcf511b122c7d8d2a3adf7e3b81b725557c34
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SHA512
6ef4528b4b195f5dd42867d3b2b62578c8a3d1a1d226df5ad1709d96b8beeaf7910a4a545dd9f8fb5d3c1bc1e87e8a1191910dcc45a27ebdbff18c41b92bbc90
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2012-62-0x0000000074BE0000-0x0000000074C0E000-memory.dmp dridex_ldr -
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 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe PID 1612 wrote to memory of 2012 1612 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\533dd75c72e307755761a1d5a4bfcf511b122c7d8d2a3adf7e3b81b725557c34.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\533dd75c72e307755761a1d5a4bfcf511b122c7d8d2a3adf7e3b81b725557c34.dll,#12⤵
- Checks whether UAC is enabled
PID:2012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2012-60-0x0000000000000000-mapping.dmp
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memory/2012-61-0x0000000075D51000-0x0000000075D53000-memory.dmpFilesize
8KB
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memory/2012-62-0x0000000074BE0000-0x0000000074C0E000-memory.dmpFilesize
184KB
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memory/2012-64-0x00000000001C0000-0x00000000001C6000-memory.dmpFilesize
24KB