Analysis
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max time kernel
29s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 17:25
Static task
static1
Behavioral task
behavioral1
Sample
6b1cd04f0e5ff4dd636528dfc7a9e480eaf13b969c5ec0f9cc19527ecfb7e426.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
6b1cd04f0e5ff4dd636528dfc7a9e480eaf13b969c5ec0f9cc19527ecfb7e426.dll
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Size
162KB
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MD5
8a1cd94fb5ebd18ec48ac8196386e724
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SHA1
6cda9a9aac8a74f6ba934f2ebbbe1b64b80949f7
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SHA256
6b1cd04f0e5ff4dd636528dfc7a9e480eaf13b969c5ec0f9cc19527ecfb7e426
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SHA512
fc2964632fd665c8cb29cd07f6dc40a7f6139329d3247d90344228c08babd94e766c5bf870a3165316063a887073b0b485758e2e4e916bc8106a8d0a7c0cddfc
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/1616-61-0x0000000074710000-0x000000007473E000-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 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe PID 484 wrote to memory of 1616 484 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6b1cd04f0e5ff4dd636528dfc7a9e480eaf13b969c5ec0f9cc19527ecfb7e426.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6b1cd04f0e5ff4dd636528dfc7a9e480eaf13b969c5ec0f9cc19527ecfb7e426.dll,#12⤵
- Checks whether UAC is enabled
PID:1616
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1616-59-0x0000000000000000-mapping.dmp
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memory/1616-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmpFilesize
8KB
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memory/1616-61-0x0000000074710000-0x000000007473E000-memory.dmpFilesize
184KB
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memory/1616-63-0x0000000000180000-0x0000000000186000-memory.dmpFilesize
24KB