Analysis
-
max time kernel
61s -
max time network
124s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
13-11-2020 19:30
Static task
static1
Behavioral task
behavioral1
Sample
9ab83ab5ebed13f082970b5d0fce98adf85892290c1eb9608959975acc4e43b2.dridex.exe.dll
Resource
win7v20201028
General
-
Target
9ab83ab5ebed13f082970b5d0fce98adf85892290c1eb9608959975acc4e43b2.dridex.exe.dll
-
Size
330KB
-
MD5
a4d814e9e97b93f5882a930d290a04e3
-
SHA1
9e7838ba2dc62433d6050e09adab7d6b529c8d2a
-
SHA256
9ab83ab5ebed13f082970b5d0fce98adf85892290c1eb9608959975acc4e43b2
-
SHA512
6fc23329ce48b683abedb68f5313682fc10011d208ee02cc1f16e1505a10cce1824b99bf2dea72f66daed9c7798f7770003a5b5b2e939679dd64644e56395b51
Malware Config
Extracted
dridex
10555
77.220.64.39:443
69.164.207.140:3388
78.47.139.43:4443
103.244.206.74:33443
Signatures
-
Processes:
resource yara_rule behavioral2/memory/496-1-0x0000000000400000-0x000000000043D000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 15 496 rundll32.exe 16 496 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 SetWindowsHookEx 1 IoCs
Processes:
rundll32.exepid process 496 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3980 wrote to memory of 496 3980 rundll32.exe rundll32.exe PID 3980 wrote to memory of 496 3980 rundll32.exe rundll32.exe PID 3980 wrote to memory of 496 3980 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ab83ab5ebed13f082970b5d0fce98adf85892290c1eb9608959975acc4e43b2.dridex.exe.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9ab83ab5ebed13f082970b5d0fce98adf85892290c1eb9608959975acc4e43b2.dridex.exe.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx