Overview
overview
10Static
static
10exe/start.bat
windows7-x64
10exe/start.bat
windows10-2004-x64
10exe/unimed1.exe
windows7-x64
10exe/unimed1.exe
windows10-2004-x64
10exe/unimed2.exe
windows7-x64
10exe/unimed2.exe
windows10-2004-x64
10exe/unimed3.exe
windows7-x64
10exe/unimed3.exe
windows10-2004-x64
10exe/unimed4.exe
windows7-x64
10exe/unimed4.exe
windows10-2004-x64
10exe/unimed5.exe
windows7-x64
10exe/unimed5.exe
windows10-2004-x64
10exe/unimed6.exe
windows7-x64
10exe/unimed6.exe
windows10-2004-x64
10Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
08/04/2024, 18:06
Behavioral task
behavioral1
Sample
exe/start.bat
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
exe/start.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
exe/unimed1.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
exe/unimed1.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
exe/unimed2.exe
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
exe/unimed2.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
exe/unimed3.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
exe/unimed3.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
exe/unimed4.exe
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
exe/unimed4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
exe/unimed5.exe
Resource
win7-20240215-en
Behavioral task
behavioral12
Sample
exe/unimed5.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
exe/unimed6.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
exe/unimed6.exe
Resource
win10v2004-20240226-en
General
- Target exe/unimed5.exe
- Size 156KB
- Sample240408-wp9jksff47
- SHA256 6452655e6c0f3d6dfd3e0ef2e1044c50a2ba956622869664840b45e7c4f528af
- MD5 b553477046a7bdc5dc6f9233429c3b1b
- SHA1 56d22da95fa18e2455b13b7faebeb691bcb8f30a
- SHA512 3d2600645d3ae5307818774eab1bf754df81439be3e539e78dde01ef4d11686f2834cff82c195400c5e9734c67f07982a1bd9b84e1daea758640a6de1f171de0
- SSDEEP 3072:ODDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368e0yXVGcjJoDfQjDgU9W:Y5d/zugZqll3dyFGnLg
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
C:\Users\OgWJKdVDI.README.txt
- ~~ LockBit 3.0 the world's fastest and most stable ransomware from 2019~~~ >>>>> Your data is stolen and encrypted. BLOG Tor Browser Links: http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/ http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/ http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/ http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/ http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/ http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/ http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/ >>>>> What guarantee is there that we won't cheat you? We are the oldest ransomware affiliate program on the planet, nothing is more important than our reputation. We are not a politically motivated group and we want nothing more than money. If you pay, we will fulfill all the terms we agree on during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators salaries. You can get more information about us on Ilon Musk's Twitter https://twitter.com/hashtag/lockbit?f=live >>>>> You need to contact us on TOR darknet sites with your personal ID Download and install Tor Browser https://www.torproject.org/ Write to the chat room and wait for an answer, we'll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you his ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world. Tor Browser personal link for CHAT available only to you (available during a ddos attack): Tor Browser Links for CHAT (sometimes unavailable due to ddos attacks): http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >> Your personal Black ID: 7B9878446D20DBAFD1C44190EE989135 << >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Warning! Do not delete or modify encrypted files, it will lead to problems with decryption of files! >>>>> Don't go to the police or the FBI for help and don't tell anyone that we attacked you.
-
http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/
-
http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/
-
http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/
-
http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/
-
http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/
-
http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/
-
http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/
-
https://twitter.com/hashtag/lockbit?f=live
-
http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion
-
http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion
-
http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion
-
http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion
-
http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion
-
http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion
-
http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion
Signatures
- Renames multiple (148) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Deletes itself 1 IoCs
pid Process 5032 97FA.tmp - Executes dropped EXE 1 IoCs
pid Process 5032 97FA.tmp - Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-557049126-2506969350-2798870634-1000\desktop.ini unimed5.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-557049126-2506969350-2798870634-1000\desktop.ini unimed5.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\OgWJKdVDI.bmp" unimed5.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\OgWJKdVDI.bmp" unimed5.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
pid Process 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp - Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\Desktop unimed5.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\Desktop\WallpaperStyle = "10" unimed5.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI unimed5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI\DefaultIcon\ = "C:\\ProgramData\\OgWJKdVDI.ico" unimed5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.OgWJKdVDI unimed5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.OgWJKdVDI\ = "OgWJKdVDI" unimed5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI\DefaultIcon unimed5.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe 3960 unimed5.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp 5032 97FA.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeDebugPrivilege 3960 unimed5.exe Token: 36 3960 unimed5.exe Token: SeImpersonatePrivilege 3960 unimed5.exe Token: SeIncBasePriorityPrivilege 3960 unimed5.exe Token: SeIncreaseQuotaPrivilege 3960 unimed5.exe Token: 33 3960 unimed5.exe Token: SeManageVolumePrivilege 3960 unimed5.exe Token: SeProfSingleProcessPrivilege 3960 unimed5.exe Token: SeRestorePrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSystemProfilePrivilege 3960 unimed5.exe Token: SeTakeOwnershipPrivilege 3960 unimed5.exe Token: SeShutdownPrivilege 3960 unimed5.exe Token: SeDebugPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 2448 vssvc.exe Token: SeRestorePrivilege 2448 vssvc.exe Token: SeAuditPrivilege 2448 vssvc.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeSecurityPrivilege 3960 unimed5.exe Token: SeBackupPrivilege 3960 unimed5.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3960 wrote to memory of 5032 3960 unimed5.exe 95 PID 3960 wrote to memory of 5032 3960 unimed5.exe 95 PID 3960 wrote to memory of 5032 3960 unimed5.exe 95 PID 3960 wrote to memory of 5032 3960 unimed5.exe 95 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\exe\unimed5.exe"C:\Users\Admin\AppData\Local\Temp\exe\unimed5.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\ProgramData\97FA.tmp"C:\ProgramData\97FA.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
PID:5032
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2448
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-557049126-2506969350-2798870634-1000\BBBBBBBBBBB
- Size 129B
- SHA256 1a9a0578833c49d35426df5b9820a41ff60111b21a3c9a7f2dc167a82d9633a2
- MD5 898b0d73cfca48da0b7708c130fd920d
- SHA1 fc971b9ad530a1157969afd9baf2dd23445d24e4
- SHA512 7316ee814f6b9fdf9521645a6a5270b42a272a81b16c5424c31821ad1f516b2d70e803477931f5e2295663111eb0f57c13b067477feb7a07fe89566588d91cf5
- MD5 SHA1 SHA512
- Path C:\ProgramData\97FA.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\exe\DDDDDDDDDDD
- Size 156KB
- SHA256 3ecc3bdc84b50a80ab7cf42fb001e11ea2f065661eb6d86fb75aa269c1ea5f08
- MD5 7c1d7d256a241e46b315564a5e7ae865
- SHA1 db89fbbbc097a2b80b215e5f896c59562f66443b
- SHA512 814b49066fdc40841b9709db97a6674ad8958b1ec1026666c5eb95a8f5b6086fe4901a0ebb1ec29fe293b838ae547491a82be8345ae1b4981a90ee542748ec6c
- SSDEEP 3072:CxYW8SShn2VoR+0ENuJR2pGKDxYW8SShn2VoR+0ENuJR2pGKDxYW8SShn2VoR+b:Q8PPfuusGKl8PPfuusGKl8PPy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\OgWJKdVDI.README.txt
- Size 2KB
- SHA256 7cbcda70b7234fd737497a4274aaacee2166e395f7c286bb3aa048fdfd4227d9
- MD5 a25d5664101aa808971f218d00bd48a9
- SHA1 292e5c617d1c90004f23f2a1e1a0715da99504c1
- SHA512 6c67c55db2c7009e49ad9705fc3e44041d853e4a1e5bb31102cde781bf5bb2980856623b1c01ef9a330cfdbfdee61d6207500e3863321959abac7c55adb0fc65
- MD5 SHA1 SHA512
- Path F:\$RECYCLE.BIN\S-1-5-21-557049126-2506969350-2798870634-1000\DDDDDDDDDDD
- Size 129B
- SHA256 83560832db0d369b2c08536e5caf3d6e974dec590b4d3722b4151153fe5e23d5
- MD5 38ccd661b39d813117d21d2219e41ad8
- SHA1 1262a3d40bc76c29e0fa45144b666f9891d4f729
- SHA512 6edd04747179da4a2240a3a574e757ddcb17c1a571d35f59bf6d6cb5c2fbc20cb271e5913260917727c7f7eb65c8f1b4af1dac52eb8661605acfb211eff0d067
- MD5 SHA1 SHA512