Analysis
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max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12-10-2023 17:20
Static task
static1
Behavioral task
behavioral1
Sample
NoBit.patched.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NoBit.patched.exe
Resource
win10v2004-20230915-en
General
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Target
NoBit.patched.exe
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Size
546KB
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MD5
5a5d6d6fade80634580e373be2c91924
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SHA1
e2b08b0bacb84128af910735c8ce8903483d1e03
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SHA256
669ba15b1fc970333c1ba980ba8ae143dbaacac92b4acb66df8d82a5c6fd6ba0
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SHA512
4d418df5d3fe56717b8f0a45d0fcd0dafc6435abc7c547f715b4262639eee212ccf90f7943750a80d54f9149e0f7b660296b971e53128519d2441dba192727b7
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SSDEEP
12288:oDQvjZR8N/3a4GY6bAYIV9MeOFv/glO0JhdBQqzma+v:WwR8dA2lO60oHcL
Malware Config
Signatures
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Matrix Ransomware 3 IoCs
Targeted ransomware with information collection and encryption functionality.
Processes:
NoBit.patched.exedecryptor.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop//wallpaper.bit.png" NoBit.patched.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" NoBit.patched.exe File created C:\Users\Admin\Desktop\readme.rtf decryptor.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (82) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 644 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
decryptor.exepid process 2756 decryptor.exe -
Loads dropped DLL 1 IoCs
Processes:
NoBit.patched.exepid process 2224 NoBit.patched.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
Processes:
NoBit.patched.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop//wallpaper.bit.png" NoBit.patched.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" NoBit.patched.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 2 IoCs
Processes:
timeout.exetimeout.exepid process 1736 timeout.exe 1212 timeout.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1248 vssadmin.exe -
Modifies Control Panel 2 IoCs
Processes:
NoBit.patched.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\WallpaperStyle = "2" NoBit.patched.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Control Panel\Desktop\TileWallpaper = "0" NoBit.patched.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 2564 vssvc.exe Token: SeRestorePrivilege 2564 vssvc.exe Token: SeAuditPrivilege 2564 vssvc.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
NoBit.patched.execmd.exedescription pid process target process PID 2224 wrote to memory of 1248 2224 NoBit.patched.exe vssadmin.exe PID 2224 wrote to memory of 1248 2224 NoBit.patched.exe vssadmin.exe PID 2224 wrote to memory of 1248 2224 NoBit.patched.exe vssadmin.exe PID 2224 wrote to memory of 1248 2224 NoBit.patched.exe vssadmin.exe PID 2224 wrote to memory of 2756 2224 NoBit.patched.exe decryptor.exe PID 2224 wrote to memory of 2756 2224 NoBit.patched.exe decryptor.exe PID 2224 wrote to memory of 2756 2224 NoBit.patched.exe decryptor.exe PID 2224 wrote to memory of 2756 2224 NoBit.patched.exe decryptor.exe PID 2224 wrote to memory of 644 2224 NoBit.patched.exe cmd.exe PID 2224 wrote to memory of 644 2224 NoBit.patched.exe cmd.exe PID 2224 wrote to memory of 644 2224 NoBit.patched.exe cmd.exe PID 2224 wrote to memory of 644 2224 NoBit.patched.exe cmd.exe PID 644 wrote to memory of 1736 644 cmd.exe timeout.exe PID 644 wrote to memory of 1736 644 cmd.exe timeout.exe PID 644 wrote to memory of 1736 644 cmd.exe timeout.exe PID 644 wrote to memory of 1736 644 cmd.exe timeout.exe PID 644 wrote to memory of 1212 644 cmd.exe timeout.exe PID 644 wrote to memory of 1212 644 cmd.exe timeout.exe PID 644 wrote to memory of 1212 644 cmd.exe timeout.exe PID 644 wrote to memory of 1212 644 cmd.exe timeout.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\NoBit.patched.exe"C:\Users\Admin\AppData\Local\Temp\NoBit.patched.exe"1⤵
- Matrix Ransomware
- Loads dropped DLL
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\vssadmin.exe"vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:1248
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C:\Users\Admin\Desktop\decryptor.exe"C:\Users\Admin\Desktop\decryptor.exe" C:\Users\Admin\AppData\Local\Temp//NoBit.patched.exe2⤵
- Matrix Ransomware
- Executes dropped EXE
PID:2756
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\//destruct.bat""2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
PID:1736
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C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
PID:1212
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2564
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD54abf231d683a2ad07a17d615189ed350
SHA13ff7ebca07f35951c2e0624c11e59a786e770c9f
SHA256f8002fb7a791ef6e94fd6958ea63cb7df80927d0343a009b8568d473b96749e0
SHA512a1a028d043f3af04a4f5e3aed34caeba7094549c3ccc27e3aecc9f9d48bcfabf6bea1c8c5985561ea9c3449450028881bc70962a91082fd5ae51033a8ba8905d
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Filesize
94B
MD547cbff1bcd7df40f1af58b8398361beb
SHA149bae331c8a675f86e97a9290067ccf869892d40
SHA2565242f34e2cb4a9dfb74b699c0c1d58192a73ca65368ba868338ce4a62fc12422
SHA51275fcb43b4525a00962320145fd55ea38d2f2bf8695385d283cb88cb9ffd450d88d78da6197ab1a55f6cf9573d74de0edadbec1527dff830c29993b0f6f5e2c11
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Filesize
94B
MD547cbff1bcd7df40f1af58b8398361beb
SHA149bae331c8a675f86e97a9290067ccf869892d40
SHA2565242f34e2cb4a9dfb74b699c0c1d58192a73ca65368ba868338ce4a62fc12422
SHA51275fcb43b4525a00962320145fd55ea38d2f2bf8695385d283cb88cb9ffd450d88d78da6197ab1a55f6cf9573d74de0edadbec1527dff830c29993b0f6f5e2c11
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Filesize
68KB
MD58841222817a49c74f8ca7284f3296bb9
SHA101821078d43a9b64b793a6bc2ce4496e4b97efca
SHA256cb076b3d1aa8866e9546bbd8eeeeda40ebb1dbf1839ce8f16e77ff1e546a799d
SHA512f0baca2f7353bf5a6ae3c72b5b80ee756d69f4456ba1daae124e7702334768e3bff423a4c7ee63b2bc668d99ca9f90a7c82856f36ae7c015f46649b540d48019
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Filesize
68KB
MD58841222817a49c74f8ca7284f3296bb9
SHA101821078d43a9b64b793a6bc2ce4496e4b97efca
SHA256cb076b3d1aa8866e9546bbd8eeeeda40ebb1dbf1839ce8f16e77ff1e546a799d
SHA512f0baca2f7353bf5a6ae3c72b5b80ee756d69f4456ba1daae124e7702334768e3bff423a4c7ee63b2bc668d99ca9f90a7c82856f36ae7c015f46649b540d48019
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Filesize
68KB
MD58841222817a49c74f8ca7284f3296bb9
SHA101821078d43a9b64b793a6bc2ce4496e4b97efca
SHA256cb076b3d1aa8866e9546bbd8eeeeda40ebb1dbf1839ce8f16e77ff1e546a799d
SHA512f0baca2f7353bf5a6ae3c72b5b80ee756d69f4456ba1daae124e7702334768e3bff423a4c7ee63b2bc668d99ca9f90a7c82856f36ae7c015f46649b540d48019