Analysis
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max time kernel
56s -
max time network
53s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 20:03
Static task
static1
Behavioral task
behavioral1
Sample
057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll
Resource
win7v20210408
0 signatures
0 seconds
General
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Target
057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll
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Size
157KB
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MD5
4c5c18d218fcf09098a28298e208a94d
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SHA1
9390e6fa7b4e6bc30d1745f1e4af346437319773
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SHA256
057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7
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SHA512
a745883808e46ac8f777b87e939532b554fb3a5881d9fd896d479544e2f1e24861b021dc0f4e09c50857f1d690c7be9357f450f16bf8b4d365e01d7f70eda37c
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
159.8.59.82:443
51.91.156.39:2303
67.196.50.240:8172
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/1772-62-0x0000000074E50000-0x0000000074E7D000-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 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe PID 864 wrote to memory of 1772 864 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\057f5baf0796006d71e6205ad6587f6fdd3f03b3c801aa0e0c2e267cdc997df7.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/1772-60-0x0000000000000000-mapping.dmp
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memory/1772-61-0x0000000075891000-0x0000000075893000-memory.dmpFilesize
8KB
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memory/1772-62-0x0000000074E50000-0x0000000074E7D000-memory.dmpFilesize
180KB
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memory/1772-64-0x00000000001B0000-0x00000000001B6000-memory.dmpFilesize
24KB