badrabbit

Target

Malware.zip
Size

6.4MB
Sample

240427-kpfeysff8s
MD5

2570272f3d1d089334463f58135099be
SHA1

c3c47f1a8420d11be52cf69f2cafcec450b36b36
SHA256

2a45e44be359fba4c85591e7b13d1ec772ed181adc41254d8b00d31b2d15878e
SHA512

4921f1e3fa8dc8b019587aad62a67b449175fe6cfb8e7b01474a3eb5683c1c475f34247e4a6b248bea3e432ed413721519a52b2d1ef0f3f088876cd98cec31f9
SSDEEP

196608:Pjlmaezq3Z39giBgtmHmZMXQ/4LQH6TBAyigHRHu+MKiB:PYaIwgiKt2O9/rH6T6yigHRHGxB

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

Targets

- Target
  
  000.exe
- Size
  
  6.7MB
- MD5
  
  f2b7074e1543720a9a98fda660e02688
- SHA1
  
  1029492c1a12789d8af78d54adcb921e24b9e5ca
- SHA256
  
  4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
- SHA512
  
  73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
- SSDEEP
  
  3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9
Score

8^/10

evasion persistence ransomware
- Disables Task Manager via registry modification
  evasion
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Modifies WinLogon
  persistence
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2
- Target
  
  Ana.exe
- Size
  
  2.1MB
- MD5
  
  f571faca510bffe809c76c1828d44523
- SHA1
  
  7a3ca1660f0a513316b8cd5496ac7dbe82f0e0c2
- SHA256
  
  117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb
- SHA512
  
  a08bca2fb1387cc70b737520d566c7117aa3fdb9a52f5dbb0bb7be44630da7977882d8c808cbee843c8a180777b4ac5819e8bafda6b2c883e380dc7fb5358a51
- SSDEEP
  
  49152:OwVYlfBUDiZx8Fa/Q0NuB3btlnCItWNSwoy:OxPUDQmso0NuBZlnCItM
Score

8^/10

bootkit discovery evasion persistence trojan upx
- Adds policy Run key to start application
  persistence
- Drops file in Drivers directory
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral3 behavioral4
- Target
  
  Bad Rabit.exe
- Size
  
  431KB
- MD5
  
  fbbdc39af1139aebba4da004475e8839
- SHA1
  
  de5c8d858e6e41da715dca1c019df0bfb92d32c0
- SHA256
  
  630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
- SHA512
  
  74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
- SSDEEP
  
  12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63
Score

10^/10

badrabbit mimikatz ransomware
- BadRabbit
  Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
  ransomware badrabbit
- Mimikatz
  mimikatz is an open source tool to dump credentials on Windows.
  mimikatz
- mimikatz is an open source tool to dump credentials on Windows
- Executes dropped EXE
- Loads dropped DLL
behavioral5 behavioral6
- Target
  
  Desktop Puzzle.exe
- Size
  
  239KB
- MD5
  
  2f8f6e90ca211d7ef5f6cf3c995a40e7
- SHA1
  
  f8940f280c81273b11a20d4bfb43715155f6e122
- SHA256
  
  1f5a26f24a2bfdd301008f0cc51a6c3762f41b926f974c814f1ecaa4cb28e5e6
- SHA512
  
  2b38475550edee5519e33bd18fea510ad73345a27c20f6457710498d34e3d0cf05b0f96f32d018e7dc154a6f2232ea7e3145fd0ed5fb498f9e4702a4be1bb9c8
- SSDEEP
  
  3072:r/3qftCdbSFtY8Zf8pOk0rHitNWIekbnfFPsr24Cv/Eng9m3ihlCeKH6Fb6aX3WA:WoI/rC0k7ar68nimCYHe3qZr0SlC
Score

1^/10
behavioral7 behavioral8
- Target
  
  Memz.exe
- Size
  
  14KB
- MD5
  
  19dbec50735b5f2a72d4199c4e184960
- SHA1
  
  6fed7732f7cb6f59743795b2ab154a3676f4c822
- SHA256
  
  a3d5715a81f2fbeb5f76c88c9c21eeee87142909716472f911ff6950c790c24d
- SHA512
  
  aa8a6bbb1ec516d5d5acf8be6863a4c6c5d754cee12b3d374c3a6acb393376806edc422f0ffb661c210e5b9485da88521e4a0956a4b7b08a5467cfaacd90591d
- SSDEEP
  
  192:sIvxdXSQeWSg9JJS/lcIEiwqZKBkDFR43xWTM3LHn8f26gyr6yfFCj3r:sMVSaSEglcIqq3agmLc+6gyWqFCj
Score

7^/10

bootkit persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral10 behavioral9
- Target
  
  NoEscape.exe
- Size
  
  666KB
- MD5
  
  989ae3d195203b323aa2b3adf04e9833
- SHA1
  
  31a45521bc672abcf64e50284ca5d4e6b3687dc8
- SHA256
  
  d30d7676a3b4c91b77d403f81748ebf6b8824749db5f860e114a8a204bca5b8f
- SHA512
  
  e9d4e6295869f3a456c7ea2850c246d0c22afa65c2dd5161744ee5b3e29e44d9a2d758335f98001cdb348eaa51a71cd441b4ddc12c8d72509388657126e69305
- SSDEEP
  
  12288:85J5X487qJUtcWfkVJ6g5s/cD01oKHQyis2AePsr8nP712TB:s487pcZEgwcDpg1L2tbPR2t
Score

10^/10

evasion persistence ransomware trojan
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  evasion trojan
- Disables RegEdit via registry modification
  evasion
- Checks whether UAC is enabled
  evasion trojan
- Drops desktop.ini file(s)
- Modifies WinLogon
  persistence
- Sets desktop wallpaper using registry
  ransomware
behavioral11 behavioral12
- Target
  
  WannaCrypt0r.exe
- Size
  
  3.4MB
- MD5
  
  84c82835a5d21bbcf75a61706d8ab549
- SHA1
  
  5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
- SHA256
  
  ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
- SHA512
  
  90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
- SSDEEP
  
  98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB
Score

10^/10

wannacry discovery 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
- 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
- Sets desktop wallpaper using registry
  ransomware
behavioral13 behavioral14