Analysis
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max time kernel
96s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 15:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe
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Size
515KB
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MD5
a90b7b9b327a86c2e1851dc83c36321c
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SHA1
3b74ed8f5fabf80b6e70fe8d9d7f7eb770d5a948
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SHA256
dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b
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SHA512
8ed05aa30d4b886dacb86eebd75ce7ec2a13fcfee5034f4a61d4ea5d6a7213c7ff6b2e34e6ab45ab074752315666f381a74686ad1af30f1573b735d2211fb6c4
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SSDEEP
3072:Y6LEBc2jrORnQssIJlc52L/JKY8/d7epmB98g89QP2EKOBzWk29YKvaEAJ:Y8EBc2jMQsdJlpL/J+/dB9rP2GRS
Score
10/10
Malware Config
Extracted
Path
C:\ProgramData\readme.txt
Family
conti
Ransom Note
All of your files are currently encrypted by CONTI strain.
As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly.
If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value.
To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge.
You can contact our team directly for further instructions through our website :
TOR VERSION :
(you should download and install TOR browser first https://torproject.org)
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
HTTPS VERSION :
https://contirecovery.xyz/
YOU SHOULD BE AWARE!
Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible.
---BEGIN ID---
xjQQ6zI9IWv1N6QnV5qrfoU1pTTuYIo23yPKUNgQjSoHd9dGOKNlScc9CP8Mi8pm
---END ID---
URLs
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.xyz/
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Renames multiple (60) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 60 IoCs
description ioc Process File opened for modification C:\Program Files\AddSubmit.ps1 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\InitializeImport.wmx dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Crashpad\metadata dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Java\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\ExportAssert.sql dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\InstallUninstall.ico dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\installation_telemetry.json dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\AssertInvoke.search-ms dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\ConvertToOut.mp3 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\GetInstall.jpg dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\RevokeEdit.tiff dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\SwitchPublish.mp4v dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Google\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\ApproveSplit.snd dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\ReceiveSelect.vsd dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\RenameWrite.bmp dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\7z.sfx dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Common Files\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\PublishPop.ogg dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Crashpad\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\install.log dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\CheckpointUnblock.vssx dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Internet Explorer\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Microsoft Office\ThinAppXManifest.xml dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\RedoClear.js dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\UnlockRedo.3gp dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\WriteComplete.wpl dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Microsoft Office\AppXManifest.xml dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\MoveAdd.M2TS dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\descript.ion dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\dotnet\ThirdPartyNotices.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\EnableRemove.tmp dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\StartFormat.jpg dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\UnlockRename.m3u dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\History.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\dotnet\LICENSE.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Microsoft Office\FileSystemMetadata.xml dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Mozilla Firefox\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\EnableCheckpoint.ppt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\LimitRepair.TS dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\SplitSubmit.mp4v dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Microsoft Office 15\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\OutSelect.jtx dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\PushExit.dib dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\RemovePing.odt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\7-Zip\License.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\dependentlibs.list dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.VisualElementsManifest.xml dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\LimitDisable.rtf dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files (x86)\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Mozilla Firefox\omni.ja dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\ExportConvert.pptm dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\dotnet\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File opened for modification C:\Program Files\Crashpad\settings.dat dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe File created C:\Program Files\Microsoft Office\readme.txt dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4988 4528 WerFault.exe 82 -
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 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4528 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe 4528 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeBackupPrivilege 4944 vssvc.exe Token: SeRestorePrivilege 4944 vssvc.exe Token: SeAuditPrivilege 4944 vssvc.exe Token: SeIncreaseQuotaPrivilege 3492 WMIC.exe Token: SeSecurityPrivilege 3492 WMIC.exe Token: SeTakeOwnershipPrivilege 3492 WMIC.exe Token: SeLoadDriverPrivilege 3492 WMIC.exe Token: SeSystemProfilePrivilege 3492 WMIC.exe Token: SeSystemtimePrivilege 3492 WMIC.exe Token: SeProfSingleProcessPrivilege 3492 WMIC.exe Token: SeIncBasePriorityPrivilege 3492 WMIC.exe Token: SeCreatePagefilePrivilege 3492 WMIC.exe Token: SeBackupPrivilege 3492 WMIC.exe Token: SeRestorePrivilege 3492 WMIC.exe Token: SeShutdownPrivilege 3492 WMIC.exe Token: SeDebugPrivilege 3492 WMIC.exe Token: SeSystemEnvironmentPrivilege 3492 WMIC.exe Token: SeRemoteShutdownPrivilege 3492 WMIC.exe Token: SeUndockPrivilege 3492 WMIC.exe Token: SeManageVolumePrivilege 3492 WMIC.exe Token: 33 3492 WMIC.exe Token: 34 3492 WMIC.exe Token: 35 3492 WMIC.exe Token: 36 3492 WMIC.exe Token: SeIncreaseQuotaPrivilege 3492 WMIC.exe Token: SeSecurityPrivilege 3492 WMIC.exe Token: SeTakeOwnershipPrivilege 3492 WMIC.exe Token: SeLoadDriverPrivilege 3492 WMIC.exe Token: SeSystemProfilePrivilege 3492 WMIC.exe Token: SeSystemtimePrivilege 3492 WMIC.exe Token: SeProfSingleProcessPrivilege 3492 WMIC.exe Token: SeIncBasePriorityPrivilege 3492 WMIC.exe Token: SeCreatePagefilePrivilege 3492 WMIC.exe Token: SeBackupPrivilege 3492 WMIC.exe Token: SeRestorePrivilege 3492 WMIC.exe Token: SeShutdownPrivilege 3492 WMIC.exe Token: SeDebugPrivilege 3492 WMIC.exe Token: SeSystemEnvironmentPrivilege 3492 WMIC.exe Token: SeRemoteShutdownPrivilege 3492 WMIC.exe Token: SeUndockPrivilege 3492 WMIC.exe Token: SeManageVolumePrivilege 3492 WMIC.exe Token: 33 3492 WMIC.exe Token: 34 3492 WMIC.exe Token: 35 3492 WMIC.exe Token: 36 3492 WMIC.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4180 4528 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe 87 PID 4528 wrote to memory of 4180 4528 dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe 87 PID 4180 wrote to memory of 3492 4180 cmd.exe 89 PID 4180 wrote to memory of 3492 4180 cmd.exe 89 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe"C:\Users\Admin\AppData\Local\Temp\dc90599c236413b0c035900ff99c76cb25a4c93e12175bd1f776a90f5c25bc4b.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4D4E2414-9437-4DC7-AFCE-265A1EAA49D8}'" delete2⤵
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windows\System32\wbem\WMIC.exeC:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4D4E2414-9437-4DC7-AFCE-265A1EAA49D8}'" delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 10282⤵
- Program crash
PID:4988
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4528 -ip 45281⤵PID:3028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5701579edee1063d1b39f483e86fbed79
SHA1ba728b45f74c8fb9fe7cf1e9c01663283c3a06d2
SHA25693aed46310470f2aa10dd3626ed13ae15819c9417497c01b22865664ec01afc8
SHA5127e1ed8fab572f38325b1b0eb9e1b2afae438cf8387eb19d07481d2f09ed00416368701abec1d9c046947a42809ee83dd7859b159876837ff31ef2c23f2d67c96