Analysis
-
max time kernel
19s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
29-06-2021 07:58
Static task
static1
General
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Target
4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll
-
Size
162KB
-
MD5
cc7e2b31312523ad5acbedd214e45b46
-
SHA1
38e155b402b78cc68328201fdea04dbdf846b0f0
-
SHA256
4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0
-
SHA512
8d451b63518786995856e0766698a11bdc3efc7fab458f69a52868033ebc8981f6e4478b74dcd8508fc17b060042069b5e5a3439b21d87d14747f4bc3fb8df27
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/4064-115-0x0000000074480000-0x00000000744AE000-memory.dmp dridex_ldr -
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 4024 wrote to memory of 4064 4024 rundll32.exe rundll32.exe PID 4024 wrote to memory of 4064 4024 rundll32.exe rundll32.exe PID 4024 wrote to memory of 4064 4024 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4cefea3d45c3e40214ad4181ff09c259846457aca42144fd45882e1e4bbc20f0.dll,#12⤵
- Checks whether UAC is enabled
PID:4064