Analysis
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max time kernel
95s -
max time network
108s -
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 16:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe
Resource
win7-20240903-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe
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Size
515KB
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MD5
a707de664b91d154b941c950986cf6c5
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SHA1
003b38f8897911499c02903d8e62d847846e802d
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SHA256
b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3
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SHA512
c2a1a970ce5a9a40cdb81f4ce740285e678ce1584a2f592f3dcaf14a083ae212dfd7cf014ccbc716bd418613eb0f2a790a7eff16f810d8b6743c707ea8c98f31
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SSDEEP
3072:x90uSaZEBc2jrORnQssIJMsaX52NJKY8/d7epmB98g89QP2EKOJjWk29YKvaEAJ:xKnWEBc2jMQsdJMsNNJ+/dB9rP2UjRS
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---
3E1hCSKyNKBvMOLagh7o4NWP6OEgobzNbxvAi5j7Fhn2e5XHbmjF95MOBU7NCbyG
---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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Drops file in Program Files directory 41 IoCs
description ioc Process File opened for modification C:\Program Files\RevokeRemove.mov b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\License.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Microsoft Office\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Microsoft Office\AppXManifest.xml b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.VisualElementsManifest.xml b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\RegisterTrace.emz b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\dotnet\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Google\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\omni.ja b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\7z.sfx b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Crashpad\settings.dat b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Java\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Microsoft Office 15\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\ShowGroup.wmf b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Microsoft Office\FileSystemMetadata.xml b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\installation_telemetry.json b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\InstallFind.001 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\History.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Internet Explorer\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\BlockBackup.otf b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\TraceUnprotect.xlsm b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\UnlockInvoke.mhtml b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Crashpad\metadata b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Crashpad\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\dotnet\ThirdPartyNotices.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\PingDisable.inf b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\RepairAssert.fon b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\RevokeGroup.edrwx b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files (x86)\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\dependentlibs.list b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Mozilla Firefox\install.log b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\7-Zip\descript.ion b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Common Files\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\dotnet\LICENSE.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File opened for modification C:\Program Files\Microsoft Office\ThinAppXManifest.xml b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe File created C:\Program Files\Mozilla Firefox\readme.txt b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1584 1688 WerFault.exe 83 -
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 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1688 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe 1688 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeBackupPrivilege 2244 vssvc.exe Token: SeRestorePrivilege 2244 vssvc.exe Token: SeAuditPrivilege 2244 vssvc.exe Token: SeIncreaseQuotaPrivilege 320 WMIC.exe Token: SeSecurityPrivilege 320 WMIC.exe Token: SeTakeOwnershipPrivilege 320 WMIC.exe Token: SeLoadDriverPrivilege 320 WMIC.exe Token: SeSystemProfilePrivilege 320 WMIC.exe Token: SeSystemtimePrivilege 320 WMIC.exe Token: SeProfSingleProcessPrivilege 320 WMIC.exe Token: SeIncBasePriorityPrivilege 320 WMIC.exe Token: SeCreatePagefilePrivilege 320 WMIC.exe Token: SeBackupPrivilege 320 WMIC.exe Token: SeRestorePrivilege 320 WMIC.exe Token: SeShutdownPrivilege 320 WMIC.exe Token: SeDebugPrivilege 320 WMIC.exe Token: SeSystemEnvironmentPrivilege 320 WMIC.exe Token: SeRemoteShutdownPrivilege 320 WMIC.exe Token: SeUndockPrivilege 320 WMIC.exe Token: SeManageVolumePrivilege 320 WMIC.exe Token: 33 320 WMIC.exe Token: 34 320 WMIC.exe Token: 35 320 WMIC.exe Token: 36 320 WMIC.exe Token: SeIncreaseQuotaPrivilege 320 WMIC.exe Token: SeSecurityPrivilege 320 WMIC.exe Token: SeTakeOwnershipPrivilege 320 WMIC.exe Token: SeLoadDriverPrivilege 320 WMIC.exe Token: SeSystemProfilePrivilege 320 WMIC.exe Token: SeSystemtimePrivilege 320 WMIC.exe Token: SeProfSingleProcessPrivilege 320 WMIC.exe Token: SeIncBasePriorityPrivilege 320 WMIC.exe Token: SeCreatePagefilePrivilege 320 WMIC.exe Token: SeBackupPrivilege 320 WMIC.exe Token: SeRestorePrivilege 320 WMIC.exe Token: SeShutdownPrivilege 320 WMIC.exe Token: SeDebugPrivilege 320 WMIC.exe Token: SeSystemEnvironmentPrivilege 320 WMIC.exe Token: SeRemoteShutdownPrivilege 320 WMIC.exe Token: SeUndockPrivilege 320 WMIC.exe Token: SeManageVolumePrivilege 320 WMIC.exe Token: 33 320 WMIC.exe Token: 34 320 WMIC.exe Token: 35 320 WMIC.exe Token: 36 320 WMIC.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1688 wrote to memory of 4508 1688 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe 89 PID 1688 wrote to memory of 4508 1688 b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe 89 PID 4508 wrote to memory of 320 4508 cmd.exe 91 PID 4508 wrote to memory of 320 4508 cmd.exe 91 -
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\b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe"C:\Users\Admin\AppData\Local\Temp\b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8CEAFC9C-1C47-449E-BAA6-0A2B1C9185D1}'" delete2⤵
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\System32\wbem\WMIC.exeC:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8CEAFC9C-1C47-449E-BAA6-0A2B1C9185D1}'" delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 10002⤵
- Program crash
PID:1584
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1688 -ip 16881⤵PID:1576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD572b95470eda8cc6ec169f6d81ccd795e
SHA175d4cb61136fc4ac3d99156f2d45422cd8fb3fc9
SHA2565ebc94ed337175acb3845cb372849fd434b34eef6a80caa31e34093017ec0932
SHA51225266e4d99b392a5a6fa68ef35fb271aa3c85b40d01efde859e24ca4f978cecccbb1d9eeffce5c98983fc80629ef145a688170b34f34937222b2c8aa69d1c7d8