Analysis
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max time kernel
88s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:36
Static task
static1
Behavioral task
behavioral1
Sample
hceioc.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
hceioc.dll
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Size
682KB
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MD5
695d74f98a3530f57efeba7f59f42c70
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SHA1
d240ad10acf8f15e8ac29fa8bee58796900bc55a
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SHA256
cf44d002356277038c8b9ddf6d5be037b25c34fb5e1cd94750bcaeddb103db85
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SHA512
f63280e43b7fb3d048fd1da4d302f57ed0a218dcbedec5e8b188434ff86b78a20bba972e7d9a2b4d981cf1a13433535c976fc3e538c7c5953c568bef718e0b9b
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
77.220.64.37:443
51.15.176.55:3389
85.25.144.36:4643
139.162.53.147:4443
rc4.plain
rc4.plain
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 3 1312 rundll32.exe 5 1312 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 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe PID 1280 wrote to memory of 1312 1280 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hceioc.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hceioc.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1312
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1312-54-0x0000000000000000-mapping.dmp
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memory/1312-55-0x0000000076181000-0x0000000076183000-memory.dmpFilesize
8KB
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memory/1312-57-0x0000000075060000-0x000000007511C000-memory.dmpFilesize
752KB
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memory/1312-56-0x0000000075060000-0x000000007509D000-memory.dmpFilesize
244KB
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memory/1312-59-0x0000000075060000-0x000000007511C000-memory.dmpFilesize
752KB