Analysis
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max time kernel
110s -
max time network
123s -
submitted
01-01-1970 00:00
Static task
static1
Behavioral task
behavioral1
Sample
0208c940e83ec7c023d62e22f30e05e3.dll
Resource
win7-en-20210920
windows7_x64
0 signatures
0 seconds
General
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Target
0208c940e83ec7c023d62e22f30e05e3.dll
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Size
750KB
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MD5
0208c940e83ec7c023d62e22f30e05e3
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SHA1
7a529a6f22665f603feb7b0f505cb0c0468fc2c4
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SHA256
019f19cd551b83dff500d507bb0575d85be4c5876fb6537c568edee7aebe2f1c
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SHA512
128ed1ef52a0109f10d1b368ea7dcb96dcd862d2460e972ee576e4566a0ce51dfb3ebbdff5cf5a076a18bfe6f0cfca4a43a33a47f516fd6cb561196b3003ac06
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 23 2800 rundll32.exe 24 2800 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 2700 wrote to memory of 2800 2700 rundll32.exe rundll32.exe PID 2700 wrote to memory of 2800 2700 rundll32.exe rundll32.exe PID 2700 wrote to memory of 2800 2700 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0208c940e83ec7c023d62e22f30e05e3.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0208c940e83ec7c023d62e22f30e05e3.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/2800-115-0x0000000000000000-mapping.dmp
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memory/2800-116-0x0000000073880000-0x0000000073949000-memory.dmpFilesize
804KB
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memory/2800-118-0x0000000073880000-0x0000000073949000-memory.dmpFilesize
804KB
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memory/2800-117-0x0000000073880000-0x00000000738BD000-memory.dmpFilesize
244KB
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memory/2800-120-0x0000000000140000-0x0000000000141000-memory.dmpFilesize
4KB
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memory/2800-121-0x0000000000140000-0x0000000000141000-memory.dmpFilesize
4KB
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memory/2800-122-0x0000000000140000-0x0000000000141000-memory.dmpFilesize
4KB
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memory/2800-870-0x00000000006D0000-0x00000000006D1000-memory.dmpFilesize
4KB