Analysis
-
max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
21/01/2024, 18:25
Static task
static1
Behavioral task
behavioral1
Sample
2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe
Resource
win10v2004-20231215-en
General
-
Target
2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe
-
Size
956KB
-
MD5
57f8fbce24a06fa399c8690a6703a850
-
SHA1
248bf857d4739f60fbb0f4e9dbd855f3cbf2d09f
-
SHA256
2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46
-
SHA512
048228574eb2d74a1f499281d44dd3631e395840db58c37a154fefdae00a759c01502d99fd23619c26d17bcff39e95dc8a21f3133707e49dcaab53057a048c33
-
SSDEEP
24576:+9EZn4OkTe8Rfzvbi+1WmYL/hfqDTJI1enwRn+9:eEZbk68RffEhmJII
Malware Config
Signatures
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2280 bcdedit.exe 2296 bcdedit.exe -
Renames multiple (173) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
pid Process 1728 wbadmin.exe -
Disables Task Manager via registry modification
-
.NET Reactor proctector 6 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/memory/2544-0-0x00000000010D0000-0x00000000011C4000-memory.dmp net_reactor behavioral1/memory/2396-8-0x0000000000230000-0x0000000000324000-memory.dmp net_reactor behavioral1/files/0x000a00000001225c-7.dat net_reactor behavioral1/files/0x000a00000001225c-6.dat net_reactor behavioral1/memory/2396-11-0x000000001B230000-0x000000001B2B0000-memory.dmp net_reactor behavioral1/memory/2396-892-0x000000001B230000-0x000000001B2B0000-memory.dmp net_reactor -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\READ_ME.txt svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2396 svchost.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateTask = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Drops desktop.ini file(s) 64 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1OE9M12V\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\desktop.ini svchost.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3818056530-936619650-3554021955-1000\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\15TVJ6R0\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Ringtones\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\3CFCJL8M\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HO2824L9\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini svchost.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Public\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M6IEN5C8\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini svchost.exe File opened for modification C:\Users\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\01VEQVIE\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\All Users\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\358I0ZFG\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini svchost.exe File opened for modification C:\Users\Public\desktop.ini svchost.exe File opened for modification C:\Users\Public\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini svchost.exe File opened for modification C:\Users\Public\Pictures\desktop.ini svchost.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vks1blgsu.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2372 vssadmin.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1600 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 2396 svchost.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 2396 svchost.exe 2396 svchost.exe 2396 svchost.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe Token: SeDebugPrivilege 2396 svchost.exe Token: SeBackupPrivilege 2884 vssvc.exe Token: SeRestorePrivilege 2884 vssvc.exe Token: SeAuditPrivilege 2884 vssvc.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe Token: SeSecurityPrivilege 1172 WMIC.exe Token: SeTakeOwnershipPrivilege 1172 WMIC.exe Token: SeLoadDriverPrivilege 1172 WMIC.exe Token: SeSystemProfilePrivilege 1172 WMIC.exe Token: SeSystemtimePrivilege 1172 WMIC.exe Token: SeProfSingleProcessPrivilege 1172 WMIC.exe Token: SeIncBasePriorityPrivilege 1172 WMIC.exe Token: SeCreatePagefilePrivilege 1172 WMIC.exe Token: SeBackupPrivilege 1172 WMIC.exe Token: SeRestorePrivilege 1172 WMIC.exe Token: SeShutdownPrivilege 1172 WMIC.exe Token: SeDebugPrivilege 1172 WMIC.exe Token: SeSystemEnvironmentPrivilege 1172 WMIC.exe Token: SeRemoteShutdownPrivilege 1172 WMIC.exe Token: SeUndockPrivilege 1172 WMIC.exe Token: SeManageVolumePrivilege 1172 WMIC.exe Token: 33 1172 WMIC.exe Token: 34 1172 WMIC.exe Token: 35 1172 WMIC.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe Token: SeSecurityPrivilege 1172 WMIC.exe Token: SeTakeOwnershipPrivilege 1172 WMIC.exe Token: SeLoadDriverPrivilege 1172 WMIC.exe Token: SeSystemProfilePrivilege 1172 WMIC.exe Token: SeSystemtimePrivilege 1172 WMIC.exe Token: SeProfSingleProcessPrivilege 1172 WMIC.exe Token: SeIncBasePriorityPrivilege 1172 WMIC.exe Token: SeCreatePagefilePrivilege 1172 WMIC.exe Token: SeBackupPrivilege 1172 WMIC.exe Token: SeRestorePrivilege 1172 WMIC.exe Token: SeShutdownPrivilege 1172 WMIC.exe Token: SeDebugPrivilege 1172 WMIC.exe Token: SeSystemEnvironmentPrivilege 1172 WMIC.exe Token: SeRemoteShutdownPrivilege 1172 WMIC.exe Token: SeUndockPrivilege 1172 WMIC.exe Token: SeManageVolumePrivilege 1172 WMIC.exe Token: 33 1172 WMIC.exe Token: 34 1172 WMIC.exe Token: 35 1172 WMIC.exe Token: SeBackupPrivilege 1836 wbengine.exe Token: SeRestorePrivilege 1836 wbengine.exe Token: SeSecurityPrivilege 1836 wbengine.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2544 wrote to memory of 2396 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 28 PID 2544 wrote to memory of 2396 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 28 PID 2544 wrote to memory of 2396 2544 2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe 28 PID 2396 wrote to memory of 3012 2396 svchost.exe 33 PID 2396 wrote to memory of 3012 2396 svchost.exe 33 PID 2396 wrote to memory of 3012 2396 svchost.exe 33 PID 3012 wrote to memory of 2372 3012 cmd.exe 31 PID 3012 wrote to memory of 2372 3012 cmd.exe 31 PID 3012 wrote to memory of 2372 3012 cmd.exe 31 PID 3012 wrote to memory of 1172 3012 cmd.exe 45 PID 3012 wrote to memory of 1172 3012 cmd.exe 45 PID 3012 wrote to memory of 1172 3012 cmd.exe 45 PID 2396 wrote to memory of 2452 2396 svchost.exe 44 PID 2396 wrote to memory of 2452 2396 svchost.exe 44 PID 2396 wrote to memory of 2452 2396 svchost.exe 44 PID 2452 wrote to memory of 2280 2452 cmd.exe 35 PID 2452 wrote to memory of 2280 2452 cmd.exe 35 PID 2452 wrote to memory of 2280 2452 cmd.exe 35 PID 2452 wrote to memory of 2296 2452 cmd.exe 42 PID 2452 wrote to memory of 2296 2452 cmd.exe 42 PID 2452 wrote to memory of 2296 2452 cmd.exe 42 PID 2396 wrote to memory of 2072 2396 svchost.exe 39 PID 2396 wrote to memory of 2072 2396 svchost.exe 39 PID 2396 wrote to memory of 2072 2396 svchost.exe 39 PID 2072 wrote to memory of 1728 2072 cmd.exe 37 PID 2072 wrote to memory of 1728 2072 cmd.exe 37 PID 2072 wrote to memory of 1728 2072 cmd.exe 37 PID 2396 wrote to memory of 1600 2396 svchost.exe 47 PID 2396 wrote to memory of 1600 2396 svchost.exe 47 PID 2396 wrote to memory of 1600 2396 svchost.exe 47 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
-
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\2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe"C:\Users\Admin\AppData\Local\Temp\2f9967e58f4c436c102a7de4c8e5b5aef61db1ddc0c5df601dc70b25b7416b46.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:2072
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no3⤵
- Suspicious use of WriteProcessMemory
PID:2452
-
-
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\READ_ME.txt3⤵
- Opens file in notepad (likely ransom note)
PID:1600
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2884
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet1⤵
- Interacts with shadow copies
PID:2372
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures1⤵
- Modifies boot configuration data using bcdedit
PID:2280
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1836
-
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet1⤵
- Deletes backup catalog
PID:1728
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵PID:880
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:1840
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no1⤵
- Modifies boot configuration data using bcdedit
PID:2296
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5add828d44008c3d036f0a66a82d1a1d7
SHA1bb21765e1dde324ffa71bc2dccbb8c1283b4e988
SHA256668e038b6bacf1a52e83a73d2b968e1b67b5c597d3ec57a84c8f5ce3882abc81
SHA51200f15f128e2ab397dc260704edafe50a1aa012fe4da2939f006f082cdac7df8692fe4f249cba6ccac3fbfdcee5e246c5f7aacd0f65f91e0b198d67c24054deab
-
Filesize
489KB
MD50a1c9ff34e67646f57596d18e979ba16
SHA16d2a2efd7464d0e07ecdac53e9a0b99932589626
SHA25664a7235ffc546f69c524385d0c07e08ef948db87012e4c7ecc8ad24b31b21bd6
SHA5122fd1a506799bb594a633c2a29bc715a66ae43b2c8142613ef7a49825a89603f44b0a61867201a730706aba2aa7dadcc76f66c2139372576193c935ac22528fe2
-
Filesize
434KB
MD5fc700932a0b01e844b7c3c5e67465176
SHA194a5e938e27d9df3529a398ef0a1c26573256103
SHA256deb530b111f2b6d9d3087795c5235f7977d1d43bae73d8cdbfb0367bf552189e
SHA5120ada5e6db244d5c38d295991d6de2d4944a576b33d6d5d44a8ff923a83121732312450f1380ee421a816e17c3ca2853fc49296cd4b15a01e989e1cdfb6d0f0d4
-
Filesize
1B
MD5d1457b72c3fb323a2671125aef3eab5d
SHA15bab61eb53176449e25c2c82f172b82cb13ffb9d
SHA2568a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1
SHA512ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0