Overview
overview
10Static
static
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
7Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
9Ransomware...KB.exe
windows10-ltsc_2021-x64
9Ransomware...KB.ps1
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Ransomware...KB.msi
windows10-ltsc_2021-x64
10Ransomware...KB.exe
windows10-ltsc_2021-x64
10Resubmissions
30/11/2025, 12:12
251130-pc6htsvpft1030/11/2025, 12:00
251130-n6lvvahl711009/11/2025, 19:58
251109-ypxk5asqhm1006/11/2025, 21:43
251106-1kxrfatrhp1003/11/2025, 21:39
251103-1hxzesak9z1004/10/2025, 20:19
251004-y355es1qy91009/04/2025, 13:37
250409-qwzeas1rx931/03/2025, 05:19
250331-fz687stwdz31/03/2025, 05:18
250331-fzse2swn1331/03/2025, 05:18
250331-fzmvkawnz8Analysis
- max time kernel
359s - max time network
370s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20250314-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system - submitted
31/03/2025, 00:22
Static task
static1
Behavioral task
behavioral1
Sample
RansomwareSamples/Avaddon_09_06_2020_1054KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral2
Sample
RansomwareSamples/Avos_18_07_2021_403KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral3
Sample
RansomwareSamples/Babik_04_01_2021_31KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral4
Sample
RansomwareSamples/Babuk_20_04_2021_79KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral5
Sample
RansomwareSamples/BlackKingdom_23_03_2021_12460KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral6
Sample
RansomwareSamples/BlackMatter_02_08_2021_67KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral7
Sample
RansomwareSamples/Conti_22_12_2020_186KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral8
Sample
RansomwareSamples/Cuba_08_03_2021_1130KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral9
Sample
RansomwareSamples/DarkSide_01_05_2021_30KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral10
Sample
RansomwareSamples/DarkSide_16_01_2021_59KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral11
Sample
RansomwareSamples/DarkSide_18_11_2020_17KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral12
Sample
RansomwareSamples/DearCry_13_03_2021_1292KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral13
Sample
RansomwareSamples/Hades_29_03_2021_1909KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral14
Sample
RansomwareSamples/Hive_17_07_2021_808KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral15
Sample
RansomwareSamples/LockBit_14_02_2021_146KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral16
Sample
RansomwareSamples/MAKOP_27_10_2020_115KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral17
Sample
RansomwareSamples/MedusaLocker_24_04_2020_661KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral18
Sample
RansomwareSamples/MountLocker_20_11_2020_200KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral19
Sample
RansomwareSamples/Nefilim_31_08_2020_3061KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral20
Sample
RansomwareSamples/Nemty_03_02_2021_124KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral21
Sample
RansomwareSamples/NetWalker_19_10_2020_903KB.ps1
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral22
Sample
RansomwareSamples/Phoenix_29_03_2021_1930KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral23
Sample
RansomwareSamples/PwndLocker_04_03_2020_17KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral24
Sample
RansomwareSamples/Pysa_08_04_2021_500KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral25
Sample
RansomwareSamples/REvil_07_04_2021_121KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral26
Sample
RansomwareSamples/REvil_08_04_2021_121KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral27
Sample
RansomwareSamples/Ragnar_11_02_2020_40KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral28
Sample
RansomwareSamples/RansomEXX_14_12_2020_156KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral29
Sample
RansomwareSamples/Ranzy_20_11_2020_138KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral30
Sample
RansomwareSamples/Ryuk_21_03_2021_274KB.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral31
Sample
RansomwareSamples/Sekhmet_30_03_2020_364KB.msi
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral32
Sample
RansomwareSamples/Sodinokibi_04_07_2019_253KB.exe
Resource
win10ltsc2021-20250314-en
General
- Target RansomwareSamples/Sekhmet_30_03_2020_364KB.msi
- Size 364KB
- Sample250331-apdw1ssjs8
- SHA256 b2945f293ee3f68a97cc493774ff1e8818f104fb92ef9dbeead05a32fc7006ff
- MD5 15fc8a15e86c367586e3661b03bcab44
- SHA1 a6a6f2dc244d75cac1509e46c7de88ff479b9ee6
- SHA512 cad4c868065a4715126a6e644c1fc1c5d9832e027f62f2f9370172e523fe7db63119871ba64977fc2f25959197a20f0e0e98bd66b2539eae7d46ded9d571436b
- SSDEEP 6144:nj+vyxz9WYWqpkGbOAqMK/oVZUlz/F8GO53OuzZOJM7CQ5g//s4Y:j+wpWYkGA/WGUGO53OIZkh/Y
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
F:\$RECYCLE.BIN\RECOVER-FILES.txt
-
sekhmet
- -------------- | Attention! | -------------- Your company network has been hacked and breached. We downloaded confidential and private data. In case of not contacting us in 3 business days this data will be published on a special website available for public view. Also we had executed a special software that turned files, databases and other important data in your network into an encrypted state using RSA-2048 and ChaCha algorithms. A special key is required to decrypt and restore these files. Only we have this key and only we can give it to you with a reliable decryption software. --------------------------------------- | How to contact us and be safe again | --------------------------------------- The only method to restore your files and be safe from data leakage is to purchase a private key which is unique for you and securely stored on our servers. After the payment we provide you with decryption software that will decrypt all your files, also we remove the downloaded data from your network and never post any information about you. There are 2 ways to directly contact us: 1) Using hidden TOR network: a) Download a special TOR browser: https://www.torproject.org/ b) Install the TOR browser c) Open our website in the TOR browser: http://o3n4bhhtybbtwqqs.onion/13C67978CF0A518 d) Follow the instructions on this page. 2) If you have any problems connecting or using TOR network a) Open our website: https://sekhmet.top/13C67978CF0A518 b) Follow the instructions on this page On this web site, you will get instructions on how to make a free decryption test and how to pay. Also it has a live chat with our operators and support team. ----------------------- |Questions and answers| ----------------------- We understand you may have questions, so we provide here answers to the frequently asked questions. ==== Q: What about decryption guarantees? A: You have a FREE opportunity to test a service by instantly decrypting for free 3 files from every system in your network. If you have any problems our friendly support team is always here to assist you in a live chat. ==== ==== Q: How can we be sure that after the payment data is removed and not published or used in any nefarious ways? A: We can assure you, downloaded data will be securely removed using DoD 5220.22-M wiping standart. We are not interested in keeping this data as we do not gain any profit from it. This data is used only to leverage you to make a payment and nothing more. On the market the data itself are relatively useless and cheap. Also we perfectly understand that using or publishing this data after the payment will compromise our reliable business operations and we are not interested in it. ==== ==== Q: How did you get into the network? A: Detailed report on how we did it and how to fix your vulnerabilities can be provided by request after the payment. ==== -------------------------------------------------------------------------------------- This is techinal information we need to identify you correctly and give decryption key to you, do not redact! ---SEKHMET--- 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 ---SEKHMET---
-
http://o3n4bhhtybbtwqqs.onion/13C67978CF0A518
-
https://sekhmet.top/13C67978CF0A518
Signatures
- Detected Egregor ransomware 1 IoCs
resource yara_rule behavioral31/files/0x0007000000027f30-12.dat family_egregor - Egregor Ransomware
Variant of the Sekhmet ransomware first seen in September 2020.
- Egregor family
- Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
- Locky family
- Sekhmet Ransomware
Ransomware family active in the wild since early 2020.
- Sekhmet family
- Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
- Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e6189640.lnk MsiExec.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RECOVER-FILES.txt MsiExec.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\e6189640.lnk MsiExec.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\RECOVER-FILES.txt MsiExec.exe - Blocklisted process makes network request 18 IoCs
flow pid Process 9 3804 MsiExec.exe 14 3804 MsiExec.exe 15 3804 MsiExec.exe 16 3804 MsiExec.exe 17 3804 MsiExec.exe 18 3804 MsiExec.exe 19 3804 MsiExec.exe 20 3804 MsiExec.exe 21 3804 MsiExec.exe 22 3804 MsiExec.exe 23 3804 MsiExec.exe 24 3804 MsiExec.exe 25 3804 MsiExec.exe 26 3804 MsiExec.exe 27 3804 MsiExec.exe 29 3804 MsiExec.exe 30 3804 MsiExec.exe 32 3804 MsiExec.exe - Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe - Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files\e6189640.lnk MsiExec.exe File created C:\Program Files\RECOVER-FILES.txt MsiExec.exe File created C:\Program Files (x86)\e6189640.lnk MsiExec.exe File created C:\Program Files (x86)\RECOVER-FILES.txt MsiExec.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\e57fbe4.msi msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{C83985AA-5954-4371-93EC-D6401824BA04} msiexec.exe File created C:\Windows\RECOVER-FILES.txt MsiExec.exe File created C:\Windows\Installer\e57fbe6.msi msiexec.exe File created C:\Windows\Installer\e57fbe4.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIFD5B.tmp msiexec.exe File created C:\Windows\e6189640.lnk MsiExec.exe - Loads dropped DLL 1 IoCs
pid Process 3804 MsiExec.exe - Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 3340 msiexec.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe - Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe - Modifies data under HKEY_USERS 11 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" MsiExec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28 msiexec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix MsiExec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" MsiExec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" MsiExec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" MsiExec.exe Key deleted \REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27\52C64B7E msiexec.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27 msiexec.exe - Modifies registry class 22 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\Version = "16777216" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\AdvertiseFlags = "388" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\Net msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\AA58938C4595173439CE6D048142AB40 msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\AuthorizedLUAApp = "0" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1E76332A20E11DA245E74BDFA261C70C\AA58938C4595173439CE6D048142AB40 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\PackageName = "Sekhmet_30_03_2020_364KB.msi" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\RansomwareSamples\\" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\Media msiexec.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\Clients = 3a0000000000 msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\ProductName = "KB Win May update" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\PackageCode = "59C25093E1ACBB04583341EE5612ED2D" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\Assignment = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\InstanceType = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\Language = "1033" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\Media\1 = ";" msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\RansomwareSamples\\" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\AA58938C4595173439CE6D048142AB40\DeploymentFlags = "3" msiexec.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1E76332A20E11DA245E74BDFA261C70C msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\AA58938C4595173439CE6D048142AB40\ProductFeature msiexec.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 352 msiexec.exe 352 msiexec.exe 3804 MsiExec.exe 3804 MsiExec.exe 3804 MsiExec.exe 3804 MsiExec.exe 3804 MsiExec.exe 3804 MsiExec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3340 msiexec.exe Token: SeIncreaseQuotaPrivilege 3340 msiexec.exe Token: SeSecurityPrivilege 352 msiexec.exe Token: SeCreateTokenPrivilege 3340 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 3340 msiexec.exe Token: SeLockMemoryPrivilege 3340 msiexec.exe Token: SeIncreaseQuotaPrivilege 3340 msiexec.exe Token: SeMachineAccountPrivilege 3340 msiexec.exe Token: SeTcbPrivilege 3340 msiexec.exe Token: SeSecurityPrivilege 3340 msiexec.exe Token: SeTakeOwnershipPrivilege 3340 msiexec.exe Token: SeLoadDriverPrivilege 3340 msiexec.exe Token: SeSystemProfilePrivilege 3340 msiexec.exe Token: SeSystemtimePrivilege 3340 msiexec.exe Token: SeProfSingleProcessPrivilege 3340 msiexec.exe Token: SeIncBasePriorityPrivilege 3340 msiexec.exe Token: SeCreatePagefilePrivilege 3340 msiexec.exe Token: SeCreatePermanentPrivilege 3340 msiexec.exe Token: SeBackupPrivilege 3340 msiexec.exe Token: SeRestorePrivilege 3340 msiexec.exe Token: SeShutdownPrivilege 3340 msiexec.exe Token: SeDebugPrivilege 3340 msiexec.exe Token: SeAuditPrivilege 3340 msiexec.exe Token: SeSystemEnvironmentPrivilege 3340 msiexec.exe Token: SeChangeNotifyPrivilege 3340 msiexec.exe Token: SeRemoteShutdownPrivilege 3340 msiexec.exe Token: SeUndockPrivilege 3340 msiexec.exe Token: SeSyncAgentPrivilege 3340 msiexec.exe Token: SeEnableDelegationPrivilege 3340 msiexec.exe Token: SeManageVolumePrivilege 3340 msiexec.exe Token: SeImpersonatePrivilege 3340 msiexec.exe Token: SeCreateGlobalPrivilege 3340 msiexec.exe Token: SeBackupPrivilege 4976 vssvc.exe Token: SeRestorePrivilege 4976 vssvc.exe Token: SeAuditPrivilege 4976 vssvc.exe Token: SeBackupPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeDebugPrivilege 3804 MsiExec.exe Token: SeDebugPrivilege 3804 MsiExec.exe Token: SeDebugPrivilege 3804 MsiExec.exe Token: SeDebugPrivilege 3804 MsiExec.exe Token: SeDebugPrivilege 3804 MsiExec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe Token: SeRestorePrivilege 352 msiexec.exe Token: SeTakeOwnershipPrivilege 352 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3340 msiexec.exe 3340 msiexec.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 352 wrote to memory of 396 352 msiexec.exe 90 PID 352 wrote to memory of 396 352 msiexec.exe 90 PID 352 wrote to memory of 3804 352 msiexec.exe 92 PID 352 wrote to memory of 3804 352 msiexec.exe 92 PID 352 wrote to memory of 3804 352 msiexec.exe 92 - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Sekhmet_30_03_2020_364KB.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3340
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352 -
C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:396
-
-
C:\Windows\syswow64\MsiExec.exe"C:\Windows\syswow64\MsiExec.exe" /Y "C:\Users\Admin\AppData\Local\Temp\System Update\patch_may13869.dll"2⤵
- Drops startup file
- Blocklisted process makes network request
- Drops file in Program Files directory
- Drops file in Windows directory
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3804
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Config.Msi\e57fbe5.rbs
- Size 7KB
- SHA256 54506e79f5d8b7108226e10c01f6964dcd384e63f0a113b749080246ca6ac922
- MD5 364f00252f97606945a6121eee9aff8e
- SHA1 e52d4f8a668516d70cc01ac79b938dbd2f1203ff
- SHA512 061c60e57cbb9f08b3039a68e3ec429379569c7fc4608fb76764a23961d8be7c150319526e8d3de09f50a37ec6045465cea219c7f2e483b1ac51433802a7e957
- SSDEEP 96:+HSp02fave2QE1Ul2TCsThqD+Ul2TC6jLsF32ThqzHb95MwWvGTvZwCMpljL7oKj:+yeegO0OIM0OoiXl3MpV1e0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\System Volume Information\SPP\OnlineMetadataCache\{ebbc241c-44bb-4318-8b6a-491057d642a6}_OnDiskSnapshotProp
- Size 6KB
- SHA256 c2f003666322de7a277b5e4df37c2d884f9bee62ea607bd5acde84974fbd3f54
- MD5 3f039a9601877732d157627df1b5fe71
- SHA1 a2057c62c6c13c949a8529c16261209a1b9ac19c
- SHA512 2e1a3c5782604358fe2fa5aaf99f912bc88eeb34b7a81b64b1fc3c54a251f2b8783f923296b91b6f0e8cc784cb95cf5dc693531b059e6bbada9168e7c8f92dd9
- SSDEEP 96:FJWrtACMFDD84LTHzbOHXOHBlBRQ38Sc9XE56tOSVQpu:jWhS1b++6Vm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\System Update\patch_may13869.dll
- Size 707KB
- SHA256 fceb299326ef4298a3c30e10b31d8c64f1369b182ac256d1eeaf148c1adcea8d
- MD5 1343bd0e55191ff224f2a5d4b30cdf3b
- SHA1 6412cbf10ac523452e051267afce4095d7f3d5ac
- SHA512 f3fcb8d1c89f463f2e73dadbf32afda7716c8c065990f3422fc2b5f10cb396a68ea6f711a0184989b83f474e660bc12fb47db60966011b1a18f84755571e9b9e
- SSDEEP 12288:pbDqBMjagPVfpEICkjnujZ6ZxZxNu3TMf/8ya:pbuMjJVooZblf/8P
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\e57fbe4.msi
- Size 364KB
- SHA256 b2945f293ee3f68a97cc493774ff1e8818f104fb92ef9dbeead05a32fc7006ff
- MD5 15fc8a15e86c367586e3661b03bcab44
- SHA1 a6a6f2dc244d75cac1509e46c7de88ff479b9ee6
- SHA512 cad4c868065a4715126a6e644c1fc1c5d9832e027f62f2f9370172e523fe7db63119871ba64977fc2f25959197a20f0e0e98bd66b2539eae7d46ded9d571436b
- SSDEEP 6144:nj+vyxz9WYWqpkGbOAqMK/oVZUlz/F8GO53OuzZOJM7CQ5g//s4Y:j+wpWYkGA/WGUGO53OIZkh/Y
- MD5 SHA1 SHA512 SSDEEP
- Path F:\$RECYCLE.BIN\RECOVER-FILES.txt
- Size 11KB
- SHA256 5ecd2816429d43b7b0cdc0e264937d9ffc439245c0edff9a0c127f0350ed6fd2
- MD5 77aba84f448dc151ae64483b42e6231c
- SHA1 d536addd735c4299de107f83a4ebaf62dbd76889
- SHA512 87da3cd81c5ea9c0210f79d6b6ce3604e3d589502b82c2907203ec85474285f061677dca192e5758c58c28b8f569260b5100ccdd964aa20fbd183ecd8042da5b
- SSDEEP 192:9p+NkmO42Escl/OSuYR0ebo0isa3RGjIB03VAbcg:6PLscMSTRhobsayFA4g
- MD5 SHA1 SHA512 SSDEEP