Analysis
- max time kernel
110s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
25/11/2021, 05:44
General
- Target lhvzcskYLPyellowfacebrownietacohead.dll
- Size 768KB
- Sample211125-ge6mlsedbl
- SHA256 69dd77b327104cc387c1d76daf5c8a24d0421aaad10540d15c69bb3bf9b0d391
Score
10/10
Malware Config
Extracted
Family
-
dridex
Botnet
-
22203
C2
-
107.170.4.227:443
-
178.128.222.53:8116
-
185.148.168.15:4664
-
64.251.25.156:6602
rc4.plain
rc4.plain
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Blocklisted process makes network request 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lhvzcskYLPyellowfacebrownietacohead.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lhvzcskYLPyellowfacebrownietacohead.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3776-119-0x0000000073B40000-0x0000000073C00000-memory.dmp
memory/3776-123-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/3776-122-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/3776-124-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/3776-611-0x0000000000950000-0x0000000000956000-memory.dmp