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240425-z4pphafa9710General
- Target Malware.zip
- Size 6.4MB
- Sample240425-z4pphafa97
- SHA256 2a45e44be359fba4c85591e7b13d1ec772ed181adc41254d8b00d31b2d15878e
- MD5 2570272f3d1d089334463f58135099be
- SHA1 c3c47f1a8420d11be52cf69f2cafcec450b36b36
- SHA512 4921f1e3fa8dc8b019587aad62a67b449175fe6cfb8e7b01474a3eb5683c1c475f34247e4a6b248bea3e432ed413721519a52b2d1ef0f3f088876cd98cec31f9
- SSDEEP 196608:Pjlmaezq3Z39giBgtmHmZMXQ/4LQH6TBAyigHRHu+MKiB:PYaIwgiKt2O9/rH6T6yigHRHGxB
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
000.exe
Resource
win11-20240412-en
Behavioral task
behavioral2
Sample
Ana.exe
Resource
win11-20240412-en
Behavioral task
behavioral3
Sample
Bad Rabit.exe
Resource
win11-20240412-en
Behavioral task
behavioral4
Sample
Desktop Puzzle.exe
Resource
win11-20240412-en
Behavioral task
behavioral5
Sample
Memz.exe
Resource
win11-20240412-en
Behavioral task
behavioral6
Sample
NoEscape.exe
Resource
win11-20240412-en
Behavioral task
behavioral7
Sample
WannaCrypt0r.exe
Resource
win11-20240412-en
Malware Config
Extracted
-
C:\Users\Admin\AppData\Local\Temp\@[email protected]
-
wannacry
- 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. �
-
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
-
- Target 000.exe
- Size 6.7MB
- SHA256 4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
- MD5 f2b7074e1543720a9a98fda660e02688
- SHA1 1029492c1a12789d8af78d54adcb921e24b9e5ca
- SHA512 73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
- SSDEEP 3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9
- MD5 SHA1 SHA512 SSDEEP
Score8/10-
Disables Task Manager via registry modification
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Modifies WinLogon
-
Sets desktop wallpaper using registry
-
- Target Ana.exe
- Size 2.1MB
- SHA256 117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb
- MD5 f571faca510bffe809c76c1828d44523
- SHA1 7a3ca1660f0a513316b8cd5496ac7dbe82f0e0c2
- SHA512 a08bca2fb1387cc70b737520d566c7117aa3fdb9a52f5dbb0bb7be44630da7977882d8c808cbee843c8a180777b4ac5819e8bafda6b2c883e380dc7fb5358a51
- SSDEEP 49152:OwVYlfBUDiZx8Fa/Q0NuB3btlnCItWNSwoy:OxPUDQmso0NuBZlnCItM
- MD5 SHA1 SHA512 SSDEEP
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Executes dropped EXE
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
- Target Bad Rabit.exe
- Size 431KB
- SHA256 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
- MD5 fbbdc39af1139aebba4da004475e8839
- SHA1 de5c8d858e6e41da715dca1c019df0bfb92d32c0
- SHA512 74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
- SSDEEP 12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63
- MD5 SHA1 SHA512 SSDEEP
Score10/10-
BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
-
mimikatz is an open source tool to dump credentials on Windows
-
Executes dropped EXE
-
Loads dropped DLL
-
- Target Desktop Puzzle.exe
- Size 239KB
- SHA256 1f5a26f24a2bfdd301008f0cc51a6c3762f41b926f974c814f1ecaa4cb28e5e6
- MD5 2f8f6e90ca211d7ef5f6cf3c995a40e7
- SHA1 f8940f280c81273b11a20d4bfb43715155f6e122
- SHA512 2b38475550edee5519e33bd18fea510ad73345a27c20f6457710498d34e3d0cf05b0f96f32d018e7dc154a6f2232ea7e3145fd0ed5fb498f9e4702a4be1bb9c8
- SSDEEP 3072:r/3qftCdbSFtY8Zf8pOk0rHitNWIekbnfFPsr24Cv/Eng9m3ihlCeKH6Fb6aX3WA:WoI/rC0k7ar68nimCYHe3qZr0SlC
- MD5 SHA1 SHA512 SSDEEP
Score1/10 -
- Target Memz.exe
- Size 14KB
- SHA256 a3d5715a81f2fbeb5f76c88c9c21eeee87142909716472f911ff6950c790c24d
- MD5 19dbec50735b5f2a72d4199c4e184960
- SHA1 6fed7732f7cb6f59743795b2ab154a3676f4c822
- SHA512 aa8a6bbb1ec516d5d5acf8be6863a4c6c5d754cee12b3d374c3a6acb393376806edc422f0ffb661c210e5b9485da88521e4a0956a4b7b08a5467cfaacd90591d
- SSDEEP 192:sIvxdXSQeWSg9JJS/lcIEiwqZKBkDFR43xWTM3LHn8f26gyr6yfFCj3r:sMVSaSEglcIqq3agmLc+6gyWqFCj
- MD5 SHA1 SHA512 SSDEEP
Score6/10-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
- Target NoEscape.exe
- Size 666KB
- SHA256 d30d7676a3b4c91b77d403f81748ebf6b8824749db5f860e114a8a204bca5b8f
- MD5 989ae3d195203b323aa2b3adf04e9833
- SHA1 31a45521bc672abcf64e50284ca5d4e6b3687dc8
- SHA512 e9d4e6295869f3a456c7ea2850c246d0c22afa65c2dd5161744ee5b3e29e44d9a2d758335f98001cdb348eaa51a71cd441b4ddc12c8d72509388657126e69305
- SSDEEP 12288:85J5X487qJUtcWfkVJ6g5s/cD01oKHQyis2AePsr8nP712TB:s487pcZEgwcDpg1L2tbPR2t
- MD5 SHA1 SHA512 SSDEEP
Score10/10-
Modifies WinLogon for persistence
-
Disables RegEdit via registry modification
-
Drops desktop.ini file(s)
-
Modifies WinLogon
-
Sets desktop wallpaper using registry
-
- Target WannaCrypt0r.exe
- Size 3.4MB
- SHA256 ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
- MD5 84c82835a5d21bbcf75a61706d8ab549
- SHA1 5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
- SHA512 90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
- SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB
- MD5 SHA1 SHA512 SSDEEP
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies file permissions
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
8Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1