Analysis
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max time kernel
38s -
max time network
129s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
06-09-2021 06:44
Static task
static1
Behavioral task
behavioral1
Sample
1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe
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Size
610KB
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MD5
deb8f4311fd52319f6168c10b626c808
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SHA1
f4807d71a1048d05815a09b74997f338e26ba9ff
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SHA256
1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053
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SHA512
ecb2c2630b03a07f20e993722ef9f55f5369d11afa21bec3dab59f65867849fb3596e4d3707730d2d75acd5d62e98afb1c06f2e7a80cd4f5946b51867bed9685
Score
10/10
Malware Config
Extracted
Path
C:\Users\Admin\Desktop\README.txt
Ransom Note
All your files have been encrypted !!
Don't panic please ! We are here to help you.
If you don't want to cooperate and hear your mind instead of our instructions,
you will loose stupidly your files but even worse,
we are able to kill your main windows process so you will never be able to restart your machine after.
All your network may have been infected. If this is the case, note that the decryption software we will give you for one of the machine can be used on all the infected machines. That said, note also that if you don't pay, its all your machines that will get lost and kill.
Fortunately, we think you are aware that we don't want this case to happens and you too.
That's why to help you, we writed a list of instructions to follow if you want to restore your files.
Once you completed all the instructions below, we will be able to give you the decryption software. We don't want to loose time or play with you, we guarantee that you will get that key if you complete your job.
Don't be stupid !!
To restore your files, you will need to pay a ransom within 62 hours or you will loose everything. The amount requested is 280 dollars. An amount you will need to pay in monero (XMR) which is a cryptocurrency like bitcoin (BTC). Our monero ID (adress where you need to send the money) is :
8AFtPnreZp28xoetUyKiQvVtwrov9PtEbMyvczdNZpBN45EUbEsrE8xYVp4NNqPrtxNjQwn3PbW3FG16EPYcPpKzMU78xN6
We encrypted your files with AES-256 encryption method. It's the strongest encryption method you can find in this world. Again, don't be stupid and pay the ransom. Its the only way to get all things to normal.
Steps (instructions) to follow :
Step 1 : Search localmonero in your browser search bar and click in the first result.
Step 2 : Create an account.
Step 3 : Search an offer (of a reliable vendor with lot of sales) that correspond to your payment method.
Step 4 : Pay 280 dollars at once.
Step 5 : Go into your account wallet and you'll see the amount of monero you have paid (it need to be 280 dollars).
Step 6 : Send all the monero to our monero ID (adress) which is :
8AFtPnreZp28xoetUyKiQvVtwrov9PtEbMyvczdNZpBN45EUbEsrE8xYVp4NNqPrtxNjQwn3PbW3FG16EPYcPpKzMU78xN6
Please, copy-paste it carefully !! Verify if it correspond completly to the one in this text file before you send the money !!
Once you send, it will take maximum 30 minutes to recieve. When, we will recieve the payment, we will send you the decryption software by email
Please contact us at for help and negociation :
[email protected]
Thanks.
Emails
Signatures
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Chaos
Ransomware family first seen in June 2021.
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Chaos Ransomware 2 IoCs
resource yara_rule behavioral2/files/0x000300000001ab2a-117.dat family_chaos behavioral2/files/0x000300000001ab2a-118.dat family_chaos -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 2372 bcdedit.exe 3328 bcdedit.exe -
pid Process 3772 wbadmin.exe -
Executes dropped EXE 1 IoCs
pid Process 208 svchost.exe -
Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\BackupRedo.tif => C:\Users\Admin\Pictures\BackupRedo.tif.CRYPTEDPAY svchost.exe File renamed C:\Users\Admin\Pictures\JoinEnable.tif => C:\Users\Admin\Pictures\JoinEnable.tif.CRYPTEDPAY svchost.exe File renamed C:\Users\Admin\Pictures\SuspendRestore.png => C:\Users\Admin\Pictures\SuspendRestore.png.CRYPTEDPAY svchost.exe File renamed C:\Users\Admin\Pictures\TraceConvertFrom.png => C:\Users\Admin\Pictures\TraceConvertFrom.png.CRYPTEDPAY svchost.exe -
Drops startup file 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\README.txt svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url svchost.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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Drops desktop.ini file(s) 34 IoCs
description ioc Process File opened for modification C:\Users\Admin\Pictures\Saved Pictures\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\Desktop\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\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\AppData\Roaming\Microsoft\Windows\Libraries\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\Public\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\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\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\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\Desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\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\Roaming\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Desktop.ini svchost.exe File opened for modification C:\Users\Public\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Music\desktop.ini svchost.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Searches\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\Public\Documents\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Links\desktop.ini svchost.exe File opened for modification C:\Users\Admin\Videos\desktop.ini svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\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-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2fyw4re8y.jpg" svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\FriendlyName vds.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3892 vssadmin.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings svchost.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1516 NOTEPAD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 208 svchost.exe -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe 208 svchost.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeDebugPrivilege 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe Token: SeDebugPrivilege 208 svchost.exe Token: SeBackupPrivilege 1372 vssvc.exe Token: SeRestorePrivilege 1372 vssvc.exe Token: SeAuditPrivilege 1372 vssvc.exe Token: SeIncreaseQuotaPrivilege 580 WMIC.exe Token: SeSecurityPrivilege 580 WMIC.exe Token: SeTakeOwnershipPrivilege 580 WMIC.exe Token: SeLoadDriverPrivilege 580 WMIC.exe Token: SeSystemProfilePrivilege 580 WMIC.exe Token: SeSystemtimePrivilege 580 WMIC.exe Token: SeProfSingleProcessPrivilege 580 WMIC.exe Token: SeIncBasePriorityPrivilege 580 WMIC.exe Token: SeCreatePagefilePrivilege 580 WMIC.exe Token: SeBackupPrivilege 580 WMIC.exe Token: SeRestorePrivilege 580 WMIC.exe Token: SeShutdownPrivilege 580 WMIC.exe Token: SeDebugPrivilege 580 WMIC.exe Token: SeSystemEnvironmentPrivilege 580 WMIC.exe Token: SeRemoteShutdownPrivilege 580 WMIC.exe Token: SeUndockPrivilege 580 WMIC.exe Token: SeManageVolumePrivilege 580 WMIC.exe Token: 33 580 WMIC.exe Token: 34 580 WMIC.exe Token: 35 580 WMIC.exe Token: 36 580 WMIC.exe Token: SeIncreaseQuotaPrivilege 580 WMIC.exe Token: SeSecurityPrivilege 580 WMIC.exe Token: SeTakeOwnershipPrivilege 580 WMIC.exe Token: SeLoadDriverPrivilege 580 WMIC.exe Token: SeSystemProfilePrivilege 580 WMIC.exe Token: SeSystemtimePrivilege 580 WMIC.exe Token: SeProfSingleProcessPrivilege 580 WMIC.exe Token: SeIncBasePriorityPrivilege 580 WMIC.exe Token: SeCreatePagefilePrivilege 580 WMIC.exe Token: SeBackupPrivilege 580 WMIC.exe Token: SeRestorePrivilege 580 WMIC.exe Token: SeShutdownPrivilege 580 WMIC.exe Token: SeDebugPrivilege 580 WMIC.exe Token: SeSystemEnvironmentPrivilege 580 WMIC.exe Token: SeRemoteShutdownPrivilege 580 WMIC.exe Token: SeUndockPrivilege 580 WMIC.exe Token: SeManageVolumePrivilege 580 WMIC.exe Token: 33 580 WMIC.exe Token: 34 580 WMIC.exe Token: 35 580 WMIC.exe Token: 36 580 WMIC.exe Token: SeBackupPrivilege 3148 wbengine.exe Token: SeRestorePrivilege 3148 wbengine.exe Token: SeSecurityPrivilege 3148 wbengine.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3728 wrote to memory of 208 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 77 PID 3728 wrote to memory of 208 3728 1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe 77 PID 208 wrote to memory of 1484 208 svchost.exe 80 PID 208 wrote to memory of 1484 208 svchost.exe 80 PID 1484 wrote to memory of 3892 1484 cmd.exe 82 PID 1484 wrote to memory of 3892 1484 cmd.exe 82 PID 1484 wrote to memory of 580 1484 cmd.exe 85 PID 1484 wrote to memory of 580 1484 cmd.exe 85 PID 208 wrote to memory of 2272 208 svchost.exe 86 PID 208 wrote to memory of 2272 208 svchost.exe 86 PID 2272 wrote to memory of 2372 2272 cmd.exe 88 PID 2272 wrote to memory of 2372 2272 cmd.exe 88 PID 2272 wrote to memory of 3328 2272 cmd.exe 89 PID 2272 wrote to memory of 3328 2272 cmd.exe 89 PID 208 wrote to memory of 1768 208 svchost.exe 90 PID 208 wrote to memory of 1768 208 svchost.exe 90 PID 1768 wrote to memory of 3772 1768 cmd.exe 92 PID 1768 wrote to memory of 3772 1768 cmd.exe 92 PID 208 wrote to memory of 1516 208 svchost.exe 96 PID 208 wrote to memory of 1516 208 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe"C:\Users\Admin\AppData\Local\Temp\1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Drops startup file
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete3⤵
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:3892
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
PID:580
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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:2272 -
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
PID:2372
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
PID:3328
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
PID:3772
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\README.txt3⤵
- Opens file in notepad (likely ransom note)
PID:1516
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:2652
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:3616