Analysis
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max time kernel
110s -
max time network
138s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
3d278551aa6b00d6d462bd7bf6c7b3ac.dll
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
General
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Target
3d278551aa6b00d6d462bd7bf6c7b3ac.dll
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Size
750KB
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MD5
3d278551aa6b00d6d462bd7bf6c7b3ac
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SHA1
e43c01bb37c7df64821be14982dee63ae3011086
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SHA256
c84aca81b126ee55023f4d1540505edee3b5ede8b67ba48256c2445425772b31
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SHA512
b5f0b55abc32b55a6f4efe1924bbd29bac9c460dd3c4e398dfce570259f7f6ba2f7f0a5fa73ee4aad9fa81c0435c70438f1fa834c2bdea486a04f2e89a3b5902
Malware Config
Extracted
Family
dridex
Botnet
10555
C2
192.46.210.220:443
143.244.140.214:808
45.77.0.96:6891
185.56.219.47:8116
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 25 3496 rundll32.exe 26 3496 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 2704 wrote to memory of 3496 2704 rundll32.exe rundll32.exe PID 2704 wrote to memory of 3496 2704 rundll32.exe rundll32.exe PID 2704 wrote to memory of 3496 2704 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3d278551aa6b00d6d462bd7bf6c7b3ac.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3d278551aa6b00d6d462bd7bf6c7b3ac.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/3496-115-0x0000000000000000-mapping.dmp
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memory/3496-116-0x0000000073EC0000-0x0000000073F89000-memory.dmpFilesize
804KB
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memory/3496-117-0x0000000073EC0000-0x0000000073EFD000-memory.dmpFilesize
244KB
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memory/3496-118-0x0000000073EC0000-0x0000000073F89000-memory.dmpFilesize
804KB
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memory/3496-120-0x00000000031A0000-0x00000000031A1000-memory.dmpFilesize
4KB
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memory/3496-121-0x00000000031A0000-0x00000000031A1000-memory.dmpFilesize
4KB
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memory/3496-122-0x00000000031A0000-0x00000000031A1000-memory.dmpFilesize
4KB
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memory/3496-1233-0x0000000003190000-0x0000000003191000-memory.dmpFilesize
4KB