Analysis
- max time kernel
154s - max time network
117s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
26/11/2021, 09:29
General
- Target a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99.dll
- Size 1.3MB
- Sample211126-lfxtbabefk
- SHA256 a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 7 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\osk.exeC:\Windows\system32\osk.exe1⤵
-
C:\Users\Admin\AppData\Local\1Vx\osk.exeC:\Users\Admin\AppData\Local\1Vx\osk.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\winlogon.exeC:\Windows\system32\winlogon.exe1⤵
-
C:\Users\Admin\AppData\Local\NYgrxql\winlogon.exeC:\Users\Admin\AppData\Local\NYgrxql\winlogon.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\msconfig.exeC:\Windows\system32\msconfig.exe1⤵
-
C:\Users\Admin\AppData\Local\GulXO\msconfig.exeC:\Users\Admin\AppData\Local\GulXO\msconfig.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/292-106-0x000007FEF6B20000-0x000007FEF6C6A000-memory.dmp
memory/664-55-0x000007FEF6FD0000-0x000007FEF7119000-memory.dmp
memory/664-59-0x0000000000220000-0x0000000000227000-memory.dmp
memory/1384-67-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-66-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-77-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-82-0x0000000077E30000-0x0000000077E32000-memory.dmp
memory/1384-60-0x0000000002750000-0x0000000002751000-memory.dmp
memory/1384-72-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-73-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-74-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-75-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-61-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-76-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-62-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-70-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-69-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-68-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-63-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-71-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-65-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1384-64-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1716-97-0x000007FEF6FD0000-0x000007FEF711B000-memory.dmp
memory/1984-88-0x000007FEF72B0000-0x000007FEF73FA000-memory.dmp