Analysis
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max time kernel
43s -
max time network
75s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
04-05-2021 15:12
Static task
static1
General
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Target
cbdc68b78c872bd9bb0063d49fc3a5c84399d1e23157f5f54cf3c1c61cba52c9.dll
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Size
160KB
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MD5
bcf0e33427a60fb7d0fed13cb98ed041
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SHA1
1b68b0e0b9494b5400e31dfc9be98cad3a5367a5
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SHA256
cbdc68b78c872bd9bb0063d49fc3a5c84399d1e23157f5f54cf3c1c61cba52c9
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SHA512
d24c4cf17e1276dac018e6e8369bfefac3e09368b9880aac74117cdbccfb049638c262b59fd333660052675398bf765909d3c202a1eb270bb608855418dee0d0
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
94.247.168.64:443
159.203.93.122:8172
50.116.27.97:2303
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/4056-115-0x0000000074480000-0x00000000744AE000-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 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3560 wrote to memory of 4056 3560 rundll32.exe rundll32.exe PID 3560 wrote to memory of 4056 3560 rundll32.exe rundll32.exe PID 3560 wrote to memory of 4056 3560 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cbdc68b78c872bd9bb0063d49fc3a5c84399d1e23157f5f54cf3c1c61cba52c9.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cbdc68b78c872bd9bb0063d49fc3a5c84399d1e23157f5f54cf3c1c61cba52c9.dll,#12⤵
- Checks whether UAC is enabled