Analysis
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max time kernel
30s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 15:06
Static task
static1
Behavioral task
behavioral1
Sample
8d0db887944438056713e347df36139431b87035b7e6d22f2dbbd58c3e64e7b3.dll
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
8d0db887944438056713e347df36139431b87035b7e6d22f2dbbd58c3e64e7b3.dll
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Size
158KB
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MD5
de6f904798663bc40e4499e3ec639722
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SHA1
d37e5a388ea586343672984d165e91cd9820494b
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SHA256
8d0db887944438056713e347df36139431b87035b7e6d22f2dbbd58c3e64e7b3
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SHA512
ac04674ae7418ae4e48e4b632926b5546691e955003a0840c20cb30a804763b5bff77ced1c151f437429d617543b1b5cb4339f281826a3d35542e4d1ca80f2dd
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1856-62-0x0000000074600000-0x000000007462D000-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 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe PID 280 wrote to memory of 1856 280 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d0db887944438056713e347df36139431b87035b7e6d22f2dbbd58c3e64e7b3.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8d0db887944438056713e347df36139431b87035b7e6d22f2dbbd58c3e64e7b3.dll,#12⤵
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1856-60-0x0000000000000000-mapping.dmp
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memory/1856-61-0x0000000075041000-0x0000000075043000-memory.dmpFilesize
8KB
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memory/1856-62-0x0000000074600000-0x000000007462D000-memory.dmpFilesize
180KB
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memory/1856-64-0x0000000000130000-0x0000000000136000-memory.dmpFilesize
24KB