Analysis
-
max time kernel
53s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-06-2022 16:45
Static task
static1
Behavioral task
behavioral1
Sample
lfi9iu.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
-
Target
lfi9iu.dll
-
Size
1.0MB
-
MD5
9608afd8262fd7f603022db2a06cbbd9
-
SHA1
4b51ee7c73ad8948b723e3aa1fa7f8cdff589696
-
SHA256
75fbbdddcf81b5185236fd620156025c65e1f696f5fe9d78e60da54762b32e3e
-
SHA512
4b17c2bac11d9a416d5e0cf99e0ae2b44496598207d8c7e6419f54f6176c7ecb9027a8342a78571d7a3170bc46e015fac97e9b78c52b74ecf3aeca88a28ed6cd
Malware Config
Extracted
Family
dridex
Botnet
10444
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
-
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 2 1792 rundll32.exe 5 1792 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 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe PID 1648 wrote to memory of 1792 1648 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lfi9iu.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lfi9iu.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
-
memory/1792-54-0x0000000000000000-mapping.dmp
-
memory/1792-55-0x00000000755B1000-0x00000000755B3000-memory.dmpFilesize
8KB
-
memory/1792-56-0x0000000074890000-0x00000000749AB000-memory.dmpFilesize
1.1MB
-
memory/1792-58-0x0000000074890000-0x00000000749AB000-memory.dmpFilesize
1.1MB
-
memory/1792-57-0x0000000074890000-0x00000000748CD000-memory.dmpFilesize
244KB
-
memory/1792-60-0x0000000074890000-0x00000000749AB000-memory.dmpFilesize
1.1MB
-
memory/1792-61-0x0000000074890000-0x00000000749AB000-memory.dmpFilesize
1.1MB