wannacry

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General

Target

LCrypt0rX.zip
Size

3.4MB
Sample

241018-h6a6fsthlc
MD5

a13f2d8f3cf73940208a68e39740b092
SHA1

cc786c0d721c97bcc9485ef503ea0fedbfda17ad
SHA256

8c05d0cfd8963829f2a1a637cb373e8dd4b97effd129b28230899deb38abf48d
SHA512

b4f0c9854bc69aad2e8ab03830b9332e40d5ccb78ff2d6091d5553ecac866840cd475cff814999afe8ab7bbd4ea2ed6693e4691ce0ff9d6c3149959f28c9ff7e
SSDEEP

49152:f5j60usEz1v8aMA0qULsIoYrVFBPOS+skFADvk+2Q+7UoUzig/A0jx5fMq+yXN8f:fEa+VNUhlOS+FF7+2PwaAA0VlMnydg

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@[email protected]

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\other malware cuz why not\@[email protected]

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

- Target
  
  LCRYPT0R/LCRYPT (OBFUSCATED).vbs
- Size
  
  351KB
- MD5
  
  554d10e242175ad3112fc2677dc95c4a
- SHA1
  
  ba8491b8fb87b15ca35024b8b487d2dfd73f3ccb
- SHA256
  
  28ab9fa728f47d11280f4ee2821aa345263c5cb87c018fbb4ccab7067c2910e7
- SHA512
  
  a0fcd0fae14e0c1da837a6756196941e2e99301b148078f1ddc65fd763a1cf74db80c008aa1fbb8fa902663399f1ad30d14947be746ec68e67714878c4163b8b
- SSDEEP
  
  1536:obL+meOFR500HvU4PoBjy71p4YoBC+IFsCNaJEzgLsbWcU4XQPsSwq+RuUjKsbUc:djE4Q7YnqIJ/7rxsbhCZCY2h
Score

9^/10

defense_evasion discovery evasion execution impact ransomware
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Blocklisted process makes network request
- Disables RegEdit via registry modification
  evasion
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2
- Target
  
  LCRYPT0R/LCrypt0rX.vbs
- Size
  
  13KB
- MD5
  
  96b15893f986ff2359e84558f7f1f6b4
- SHA1
  
  899c3499a8b94778ef2d81d8bf4aba60bcc79b69
- SHA256
  
  035c90d98ca6c9bb1b9033092bdaa6d6ae71140adeef2cf22234f29c98e8ef3f
- SHA512
  
  159b129eb61f7a426d30c1a095056e9f04f3fe8eb34df86e83b7c32ad20fcd936877b524f8509115b1f461e6238c8eebed43b133421ec216a00084e89e45171a
- SSDEEP
  
  384:xbplStxYHQHSH7l+ii3qF2ZNvLyyB8dstnH8KlasrC+:XM22r
Score

9^/10

defense_evasion discovery evasion execution impact ransomware
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Blocklisted process makes network request
- Disables RegEdit via registry modification
  evasion
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral3 behavioral4
- Target
  
  other malware cuz why not/[email protected]
- Size
  
  3.4MB
- MD5
  
  84c82835a5d21bbcf75a61706d8ab549
- SHA1
  
  5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
- SHA256
  
  ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
- SHA512
  
  90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
- SSDEEP
  
  98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB
Score

10^/10

wannacry defense_evasion discovery execution impact persistence ransomware spyware stealer worm
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Sets desktop wallpaper using registry
  ransomware
behavioral5 behavioral6
- Target
  
  other malware cuz why not/loveletterworm.vbs
- Size
  
  10KB
- MD5
  
  d94e46e40f5663dd698dad3369f1f782
- SHA1
  
  9c511b8ddf0c2c9ce9c32d92cdf60c1e3d1c8abf
- SHA256
  
  bc39d64a797497d2e0e6cd498f7b84c6fa2464cc7dc29114ef9af438089c5f25
- SHA512
  
  07e6f98ba6374f68886f9f642598744b91954a76e1b23fdb9ece89835b596d9bde68c96eedf5f2bbbad3d53b84b7d1dd231ebb9e8d9757996d2779b4c802bd02
- SSDEEP
  
  192:brjZcrmlHV31G7sMBMLMLMiMhM5MmMhMrMXM57Mksc/021wqIVCPsz87sGdOVRJS:brjOi1V31GoIGWFqAHqi407/sX/pVCdV
Score

1^/10
behavioral7 behavioral8
- Target
  
  sig.vbs
- Size
  
  2KB
- MD5
  
  f7d0f83dcf1c7d906b9d6b937c2efa8d
- SHA1
  
  fc1fd1571bc65b6f15fec496bf0ee977f46640a7
- SHA256
  
  e24b9693b4d5434dfba8ef70d0b88f214bf1f51389b54bbb2f081a3f18f3518b
- SHA512
  
  5c66f79a097a1617bbc1cbff25f14bf7e74a225dc00698a71b15bf743e4ffbe55c3169a5d622e3b03617746554ef9e44f6e54162de62657e0bf1455581e9f8bf
Score

1^/10
behavioral10 behavioral9