Analysis
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max time kernel
149s -
max time network
151s -
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
Behavioral task
behavioral1
Sample
a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe
Resource
win10v2004-20240802-en
General
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Target
a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe
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Size
514KB
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MD5
d57c0e39087d67b6d397ca2c738e38e1
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SHA1
11d1507651e6c2e25ff0a78febe0f06f5c1419c0
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SHA256
a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692
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SHA512
dbda08c451fc029e98e27a36fa6e654558a576b8c249e6e1cbe0a94ba4b3158d992c524c8f9e22a00247c9578d6a8601550b6c531423227daff262c98c3238c4
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SSDEEP
3072:bwaXfbBI4++rye6iLfMzmlOe4UKXqlc8Lm87wgZPzOmem0Oa9G8Y3:RXzin6MUKXSL/hLOH/
Malware Config
Extracted
C:\ProgramData\readme.txt
conti
http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/
https://contirecovery.ws
Signatures
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Conti Ransomware
Ransomware generally thought to be a successor to Ryuk.
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Renames multiple (65) 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 64 IoCs
description ioc Process File opened for modification C:\Program Files\DebugCompress.m4v a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\UnpublishPop.dib a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\LimitPop.vdx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\RegisterMove.inf a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\dotnet\LICENSE.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\CompleteConnect.vsx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\SwitchDebug.ppsm a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Crashpad\settings.dat a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Java\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\InvokeSync.php a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\RegisterUpdate.mov a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\License.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Google\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Microsoft Office\FileSystemMetadata.xml a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Mozilla Firefox\omni.ja a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\PingResize.svgz a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files (x86)\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Microsoft Office 15\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\SelectOptimize.scf a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\StopPing.xla a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\WriteReceive.wma a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\descript.ion a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\History.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Mozilla Firefox\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Mozilla Firefox\installation_telemetry.json a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\ConnectCompress.htm a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\WatchMerge.vdw a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\WriteReset.TTS a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\ApproveEnable.vstm a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\ShowImport.vbe a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Microsoft Office\ThinAppXManifest.xml a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Common Files\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Crashpad\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Mozilla Firefox\dependentlibs.list a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\EditStart.wmv a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\ExportSend.dot a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\InstallSplit.TTS a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\PublishRename.dotx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\CompleteConvertFrom.mpe a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\ResizePing.MTS a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\SearchJoin.ppsx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Microsoft Office\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\HideUnregister.svg a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\TraceAdd.js a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Crashpad\metadata a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\dotnet\ThirdPartyNotices.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\SplitUnlock.mpp a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\FormatConvertTo.M2T a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\InstallPop.midi a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\PublishDisconnect.rm a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\RemoveInvoke.jtx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\dotnet\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Mozilla Firefox\install.log a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\HidePop.au a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\RepairCompress.svg a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\7-Zip\7z.sfx a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\UndoReceive.contact a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File created C:\Program Files\Internet Explorer\readme.txt a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe File opened for modification C:\Program Files\Microsoft Office\AppXManifest.xml a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4132 408 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 a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 408 a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe 408 a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeBackupPrivilege 4604 vssvc.exe Token: SeRestorePrivilege 4604 vssvc.exe Token: SeAuditPrivilege 4604 vssvc.exe Token: SeIncreaseQuotaPrivilege 4956 WMIC.exe Token: SeSecurityPrivilege 4956 WMIC.exe Token: SeTakeOwnershipPrivilege 4956 WMIC.exe Token: SeLoadDriverPrivilege 4956 WMIC.exe Token: SeSystemProfilePrivilege 4956 WMIC.exe Token: SeSystemtimePrivilege 4956 WMIC.exe Token: SeProfSingleProcessPrivilege 4956 WMIC.exe Token: SeIncBasePriorityPrivilege 4956 WMIC.exe Token: SeCreatePagefilePrivilege 4956 WMIC.exe Token: SeBackupPrivilege 4956 WMIC.exe Token: SeRestorePrivilege 4956 WMIC.exe Token: SeShutdownPrivilege 4956 WMIC.exe Token: SeDebugPrivilege 4956 WMIC.exe Token: SeSystemEnvironmentPrivilege 4956 WMIC.exe Token: SeRemoteShutdownPrivilege 4956 WMIC.exe Token: SeUndockPrivilege 4956 WMIC.exe Token: SeManageVolumePrivilege 4956 WMIC.exe Token: 33 4956 WMIC.exe Token: 34 4956 WMIC.exe Token: 35 4956 WMIC.exe Token: 36 4956 WMIC.exe Token: SeIncreaseQuotaPrivilege 4956 WMIC.exe Token: SeSecurityPrivilege 4956 WMIC.exe Token: SeTakeOwnershipPrivilege 4956 WMIC.exe Token: SeLoadDriverPrivilege 4956 WMIC.exe Token: SeSystemProfilePrivilege 4956 WMIC.exe Token: SeSystemtimePrivilege 4956 WMIC.exe Token: SeProfSingleProcessPrivilege 4956 WMIC.exe Token: SeIncBasePriorityPrivilege 4956 WMIC.exe Token: SeCreatePagefilePrivilege 4956 WMIC.exe Token: SeBackupPrivilege 4956 WMIC.exe Token: SeRestorePrivilege 4956 WMIC.exe Token: SeShutdownPrivilege 4956 WMIC.exe Token: SeDebugPrivilege 4956 WMIC.exe Token: SeSystemEnvironmentPrivilege 4956 WMIC.exe Token: SeRemoteShutdownPrivilege 4956 WMIC.exe Token: SeUndockPrivilege 4956 WMIC.exe Token: SeManageVolumePrivilege 4956 WMIC.exe Token: 33 4956 WMIC.exe Token: 34 4956 WMIC.exe Token: 35 4956 WMIC.exe Token: 36 4956 WMIC.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 408 wrote to memory of 3336 408 a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe 86 PID 408 wrote to memory of 3336 408 a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe 86 PID 3336 wrote to memory of 4956 3336 cmd.exe 88 PID 3336 wrote to memory of 4956 3336 cmd.exe 88 -
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\a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe"C:\Users\Admin\AppData\Local\Temp\a64dd20cad3f3bb1ef1277b9924b2de0a40ed4e5b013db68ab59efc04d47b692.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{70143ADF-5466-4A13-84A7-BA59735813EC}'" delete2⤵
- Suspicious use of WriteProcessMemory
PID:3336 -
C:\Windows\System32\wbem\WMIC.exeC:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{70143ADF-5466-4A13-84A7-BA59735813EC}'" delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 20322⤵
- Program crash
PID:4132
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 4081⤵PID:2536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5ac912958d8ddded9bb3117498e76ac41
SHA1a818e44237b79ef828026c6530465a6ff6a17fd5
SHA256da04404dcf44a4f0078819d3dfa9261e52a50d29ed379a75a6bd160e7bde02b2
SHA512fb64251c4cf63f9df40b1738613fa13eddcc06e9d86246215fd38281d1b2e137308a26f9853f3f80edb4f5d01ccf9dc647bf7c7895527806b8cc705eb6e3ef0e