Analysis
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max time kernel
156s -
max time network
201s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:42
Static task
static1
Behavioral task
behavioral1
Sample
j1wm6mumu.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
j1wm6mumu.dll
-
Size
860KB
-
MD5
2df0b838e766fa6e91f516dbb0bd34ad
-
SHA1
83278ba4321ebc65611b82d4b35e73008020f669
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SHA256
f75b016f04df604ad70bbdb2c030c9a37e4597c36071c2f82229c88f1411d73f
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SHA512
c7d4642f98872199ecbce0ed2edc75f52369b161910e5e010557cfb9942b4beab8b85ebf6135621ec1f8f5fb31000c63364f55fc68aaaf6d62efa9e9f246474d
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
210.65.244.184:443
147.78.186.4:10051
62.75.168.152:6601
rc4.plain
rc4.plain
Signatures
-
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 3 2024 rundll32.exe 5 2024 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 2024 1324 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\j1wm6mumu.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\j1wm6mumu.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2024-54-0x0000000000000000-mapping.dmp
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memory/2024-55-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/2024-57-0x0000000074C90000-0x0000000074DC2000-memory.dmpFilesize
1.2MB
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memory/2024-56-0x0000000074C90000-0x0000000074CCD000-memory.dmpFilesize
244KB
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memory/2024-59-0x0000000074C90000-0x0000000074DC2000-memory.dmpFilesize
1.2MB
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memory/2024-60-0x0000000074C90000-0x0000000074DC2000-memory.dmpFilesize
1.2MB