Analysis
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max time kernel
32s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 18:43
Static task
static1
Behavioral task
behavioral1
Sample
b831279b5f4735f2f74596a7e48d75f666a59156ec9760b6a49c399950d5062a.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
b831279b5f4735f2f74596a7e48d75f666a59156ec9760b6a49c399950d5062a.dll
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Size
154KB
-
MD5
5ebee44541bd9dbf46d1f23b0bfbd550
-
SHA1
a8f57869c58832e036584277cca43e18be203a2f
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SHA256
b831279b5f4735f2f74596a7e48d75f666a59156ec9760b6a49c399950d5062a
-
SHA512
5d8f3edbede256dc989839c95a2f3ef74295b3ee1760fe272c6db202e69f98ad4548030bc1ba0a9608cf28d2a911ea0a6a9f5828e343fc953d849a2cd4257be6
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/2024-62-0x0000000074A60000-0x0000000074A8D000-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 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 2024 1072 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b831279b5f4735f2f74596a7e48d75f666a59156ec9760b6a49c399950d5062a.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b831279b5f4735f2f74596a7e48d75f666a59156ec9760b6a49c399950d5062a.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/2024-60-0x0000000000000000-mapping.dmp
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memory/2024-61-0x0000000075411000-0x0000000075413000-memory.dmpFilesize
8KB
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memory/2024-62-0x0000000074A60000-0x0000000074A8D000-memory.dmpFilesize
180KB
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memory/2024-64-0x00000000001D0000-0x00000000001D6000-memory.dmpFilesize
24KB