Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
11-06-2022 16:49
Static task
static1
Behavioral task
behavioral1
Sample
n9h1k9gwt.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
n9h1k9gwt.dll
-
Size
518KB
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MD5
831c361b1f54a876c98fb6bf3cd5d688
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SHA1
7a891d8553c874a3803df6a6a6436860e5d0de41
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SHA256
79a3a7441a371606291f8bd47216a503b27a38ec61ba7604c9ba2597a54cc3d8
-
SHA512
d3e7d49e46ce0aa0d0675471b73ef2f2a5a2772fc57584db24d75259c4e5545a89c4b8506700e552aaf3727673353e9e035924c8beac61462616020097fb9ce1
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
94.126.8.2:443
37.187.161.206:33443
209.59.199.129:4443
157.245.130.146:3786
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 33 5104 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 2496 wrote to memory of 5104 2496 rundll32.exe rundll32.exe PID 2496 wrote to memory of 5104 2496 rundll32.exe rundll32.exe PID 2496 wrote to memory of 5104 2496 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\n9h1k9gwt.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\n9h1k9gwt.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/5104-130-0x0000000000000000-mapping.dmp
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memory/5104-131-0x00000000749B0000-0x00000000749ED000-memory.dmpFilesize
244KB
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memory/5104-132-0x00000000749B0000-0x0000000074A44000-memory.dmpFilesize
592KB
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memory/5104-134-0x00000000749B0000-0x0000000074A44000-memory.dmpFilesize
592KB