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
120s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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/unimed6.exe
- Size 157KB
- Sample240408-wp9jksff47
- SHA256 305a7a8d07eb474ecb6f242687bb9d138560f9faa5c9d40b31e3701852451263
- MD5 7b4aa7601aa0bd8fc6d1a88fe18d8d6f
- SHA1 aaef517e279c8586c858bddb99a5cf37723c779b
- SHA512 d83ee781bd093dc47a186b178bb2dde7c7ba7a911a6e63896f9cb49467765ec01db8f7acb2c645c76d06fe7ebc64184f89a2ab25c959d6112c036c7a7d110311
- SSDEEP 3072:QDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368iF3Rv4Adea5XW:65d/zugZqll3MBQA
- 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): http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion 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: 7B9878446D20DBAF618EFC9783037412 << >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> 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 (185) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Deletes itself 1 IoCs
pid Process 2432 8D9F.tmp - Executes dropped EXE 1 IoCs
pid Process 2432 8D9F.tmp - Loads dropped DLL 1 IoCs
pid Process 2180 unimed6.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini unimed6.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini unimed6.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\OgWJKdVDI.bmp" unimed6.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\OgWJKdVDI.bmp" unimed6.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
pid Process 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp - Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\Desktop unimed6.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Control Panel\Desktop\WallpaperStyle = "10" unimed6.exe - Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.OgWJKdVDI\ = "OgWJKdVDI" unimed6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI\DefaultIcon unimed6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI unimed6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\OgWJKdVDI\DefaultIcon\ = "C:\\ProgramData\\OgWJKdVDI.ico" unimed6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.OgWJKdVDI unimed6.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe 2180 unimed6.exe - Suspicious behavior: RenamesItself 26 IoCs
pid Process 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp 2432 8D9F.tmp - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeDebugPrivilege 2180 unimed6.exe Token: 36 2180 unimed6.exe Token: SeImpersonatePrivilege 2180 unimed6.exe Token: SeIncBasePriorityPrivilege 2180 unimed6.exe Token: SeIncreaseQuotaPrivilege 2180 unimed6.exe Token: 33 2180 unimed6.exe Token: SeManageVolumePrivilege 2180 unimed6.exe Token: SeProfSingleProcessPrivilege 2180 unimed6.exe Token: SeRestorePrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSystemProfilePrivilege 2180 unimed6.exe Token: SeTakeOwnershipPrivilege 2180 unimed6.exe Token: SeShutdownPrivilege 2180 unimed6.exe Token: SeDebugPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2908 vssvc.exe Token: SeRestorePrivilege 2908 vssvc.exe Token: SeAuditPrivilege 2908 vssvc.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeSecurityPrivilege 2180 unimed6.exe Token: SeBackupPrivilege 2180 unimed6.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2432 2180 unimed6.exe 33 PID 2180 wrote to memory of 2432 2180 unimed6.exe 33 PID 2180 wrote to memory of 2432 2180 unimed6.exe 33 PID 2180 wrote to memory of 2432 2180 unimed6.exe 33 PID 2180 wrote to memory of 2432 2180 unimed6.exe 33 - 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\unimed6.exe"C:\Users\Admin\AppData\Local\Temp\exe\unimed6.exe"1⤵
- Loads dropped DLL
- 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:2180 -
C:\ProgramData\8D9F.tmp"C:\ProgramData\8D9F.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
PID:2432
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2908
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:2000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\$Recycle.Bin\S-1-5-21-778096762-2241304387-192235952-1000\desktop.ini
- Size 129B
- SHA256 2bdc6b4d40469ce079097cd33c9eb63e5a9c77299dca44a047b41c76044fd3bb
- MD5 7381952d4ddd3f6ac20a84d320ed16aa
- SHA1 cdda076d62cde6c4e7585691cdc942a0ab9e36e1
- SHA512 5e125cdba40490f47cbae59a581990b8d98553018e3881dc89341806d25feab5c8b900d088839da9dff1d0f36c6b90b076df05cd2874bb640927804dc887fd6c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\exe\DDDDDDDDDDD
- Size 157KB
- SHA256 cd122d0a4908e2d631f9fa3744e60f3e87dab0d92f019965010fd44e81ee6f14
- MD5 49bf491fb15c8a158f69617d3aa26c68
- SHA1 0faaba233ca04838835817e779eb43e6966196f4
- SHA512 878740da6db415af0747f8a923dc8491b4f23e4b434f0105fbdd08c2a953dc02b783104650d900482fea8f7088a8e19c3174df4845ad7c374f0b6cdea92ecf44
- SSDEEP 3072:CzE785eAsquU2KM4/zE785eAsquU2KM4/zE785z:CgotsZUPMcgotsZUPMcgoZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\OgWJKdVDI.README.txt
- Size 3KB
- SHA256 d6611bbf12056a1291f40888ae77b9e3ab47bc1a30148fcfde9c1c753fef4059
- MD5 1e0b3ef388006ad239c8134c9f67d6df
- SHA1 a0bdaa103e754b585bd8aecee5de03426950d5d8
- SHA512 e0cffc946abd7b149fc737c11debcf39a7e068b0652925316ed1752029b4132853dbbda7551080df5da8c1b6a46ea8ed7afdfc0665528d764efa494c9ff8125d
- MD5 SHA1 SHA512
- Path F:\$RECYCLE.BIN\S-1-5-21-778096762-2241304387-192235952-1000\DDDDDDDDDDD
- Size 129B
- SHA256 7cda583ab8b0c9ed0f9e11af658fb77bd97081e8aef0646efba322022f2bb8b5
- MD5 0ff07532f39a7983faf5280e27468ca3
- SHA1 e98cfd38a23e96da0bd80d9b14452e9968e4ff26
- SHA512 676b42b8cbdd14b327daf05ad2d897ea2c80fb5c0845884cc11e3eee9f7e2463f265ebd85f4fc79dccd94e8601f8b061f41dd42a3922f368dad94602017e602e
- MD5 SHA1 SHA512
- Path \ProgramData\8D9F.tmp
- Size 14KB
- SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
- MD5 294e9f64cb1642dd89229fff0592856b
- SHA1 97b148c27f3da29ba7b18d6aee8a0db9102f47c9
- SHA512 b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
- SSDEEP 384:5cFP7VtpK4p+31Mzh79W5vM+ZyUgGq4BtMvAxXCRsi:A7Vf9p+qQ02y5HW6kX
- MD5 SHA1 SHA512 SSDEEP