Analysis
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max time kernel
41s -
max time network
42s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:42
Static task
static1
Behavioral task
behavioral1
Sample
11046515.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
11046515.dll
-
Size
632KB
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MD5
8b0192345666026191be01ec52a47f64
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SHA1
b7770117dd745c464a40bd3d3eda0ca832ec34a5
-
SHA256
ab44ef41e492f3df1be566ddde081d666b3e9f55ee6f0f195fe0acd4d9701912
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SHA512
f47fd1012fdbed1950d9933b2be31f9829188a0008b6710eafe8901df78c06333374522d222f3ae70ce114f5ef38c6961498f5ff9e405cc3b4987df64f3f0ec7
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
178.128.83.136:443
138.122.143.41:8443
85.25.106.204:691
159.203.136.67:3308
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1892-1-0x0000000074BC0000-0x0000000074BEB000-memory.dmp dridex_ldr -
Blocklisted process makes network request 4 IoCs
Processes:
rundll32.exeflow pid process 4 1892 rundll32.exe 6 1892 rundll32.exe 7 1892 rundll32.exe 8 1892 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 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe PID 532 wrote to memory of 1892 532 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11046515.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11046515.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled