Analysis
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max time kernel
29s -
max time network
140s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
19-04-2021 18:20
Static task
static1
Behavioral task
behavioral1
Sample
348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll
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Size
966KB
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MD5
98c9f60ca8a6fe5d149e8b103b254cee
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SHA1
c6886d5ec94c2cdde3ee73156f8c6a33446860e4
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SHA256
348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385
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SHA512
e833c6e79e33d0c06a90f70f36f9ca364dfd189c4bbb3a72e85eb8f3627b8c0724d307d11a610cffff5cdfdd044acdf16f3e5acf5bf1ca43abeef56d40f20b5c
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
146.185.170.249:443
62.75.251.60:6601
185.148.168.25:2303
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral2/memory/4744-115-0x0000000073B40000-0x0000000073B7D000-memory.dmp dridex_ldr behavioral2/memory/4744-116-0x0000000073B40000-0x0000000073C56000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 15 4744 rundll32.exe 17 4744 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 4660 wrote to memory of 4744 4660 rundll32.exe rundll32.exe PID 4660 wrote to memory of 4744 4660 rundll32.exe rundll32.exe PID 4660 wrote to memory of 4744 4660 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\348e8514c542ee4534e8339584c5d4f1925edf30fd4317110e805ed771bdb385.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4744-114-0x0000000000000000-mapping.dmp
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memory/4744-115-0x0000000073B40000-0x0000000073B7D000-memory.dmpFilesize
244KB
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memory/4744-116-0x0000000073B40000-0x0000000073C56000-memory.dmpFilesize
1.1MB
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memory/4744-179-0x00000000044E0000-0x00000000044E1000-memory.dmpFilesize
4KB