038948014b1f44e75647fbd057c38ab560b5d72a44888802d4f1a9a6e1af8ecd

General

Target

a1bcb4ceb586cd9dc78323ce2888080ea88a58708a3a95e546bff46d74fc13c8.bin.sample.gz
Size

120KB
Sample

231006-v5r4ssgg74
MD5

f7df8cc077ecf7fbe22cb1df4119d82b
SHA1

a465cfedfd9b3774b6368f05311381a72e2eb52d
SHA256

038948014b1f44e75647fbd057c38ab560b5d72a44888802d4f1a9a6e1af8ecd
SHA512

14b636f7b5c74483381008739dc0df8cdf8beaad6bae23570e9ebfc6e74f10c44c3c114a0ab819b201444faf66d005bc056cd83b3c716258ac7020390465f2b2
SSDEEP

3072:r0VfS6G7UtaQ0ELVsskMdtd2VnTN2sbbwqCFN:Isstj0IdPdtd2Vx2sbdMN

Score

10^/10

Malware Config

Extracted

Path

F:\LAMBDA_README.txt

Ransom Note

[[=== Lambda Ransomware ===]] [+] What's happened? All your files are encrypted and stolen, but you need to follow our instructions. otherwise, you cant return your data (NEVER). [+] What guarantees? Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, we decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. time is much more valuable than money. [+] Instructions: a) Download and install Tor Browser from this site: https://www.torproject.org/ b) Open our website: http://nn5ua7gc7jkllpoztymtfcu64yjm7znlsriq3a6v5kw7l6jvirnczyyd.onion c) Enter this UID in the input: 445ADCC3B44559D3 !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus/edr solutions - its may entail damage of the private key and, as result, The Loss all data. SPEAK for yourself. Since no one else has the private key, any interfere of third party companies/individuals is tantamount to scamming you. ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!

URLs

http://nn5ua7gc7jkllpoztymtfcu64yjm7znlsriq3a6v5kw7l6jvirnczyyd.onion

Targets

- Target
  
  sample
- Size
  
  241KB
- MD5
  
  6c292c92e703a155612fe50ea96161d1
- SHA1
  
  e6ea7c6f564a2fbe15beaf3419dc334d536f250c
- SHA256
  
  a1bcb4ceb586cd9dc78323ce2888080ea88a58708a3a95e546bff46d74fc13c8
- SHA512
  
  ab1fb843188f0a5495fea9ccd66bfc13385b95d4ffd7bfc9486e6d29f1c7f3a9468f6b7dadad29f94204d9c9055e5111e7e8c23344c322b979ebd5809096566a
- SSDEEP
  
  6144:7vB3myi10AU3fb9wZ+4hCLSiqdJft5sJ:7vNq10AU3fb9wosC/J
Score

10^/10

discovery ransomware spyware stealer persistence
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Modifies WinLogon
  persistence
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2