Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2024 02:29
Static task
static1
Behavioral task
behavioral1
Sample
v2.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
v2.exe
Resource
win10v2004-20241007-en
General
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Target
v2.exe
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Size
121KB
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MD5
944ed18066724dc6ca3fb3d72e4b9bdf
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SHA1
1a19c8793cd783a5bb89777f5bc09e580f97ce29
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SHA256
74ce1be7fe32869dbbfe599d7992c306a7ee693eb517924135975daa64a3a92f
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SHA512
a4d23cba68205350ae58920479cb52836f9c6dac20d1634993f3758a1e5866f40b0296226341958d1200e1fcd292b8138c41a9ed8911d7abeaa223a06bfe4ad3
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SSDEEP
1536:vjVXKif7kaCtHM7qpo6ZQDtFnNi+ti09or2LkLpLik8ICS4Ao3uZs/WVEdz725sK:J1MZwlLk9Bm3uW/Wud2K36cn/wCY
Malware Config
Extracted
C:\Recovery\33b8i3-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/95D1174A25C5EEC9
http://decoder.re/95D1174A25C5EEC9
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Sodinokibi family
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Drops startup file 1 IoCs
description ioc Process File created \??\c:\users\admin\appdata\roaming\microsoft\word\startup\33b8i3-readme.txt v2.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: v2.exe File opened (read-only) \??\P: v2.exe File opened (read-only) \??\R: v2.exe File opened (read-only) \??\Z: v2.exe File opened (read-only) \??\D: v2.exe File opened (read-only) \??\A: v2.exe File opened (read-only) \??\E: v2.exe File opened (read-only) \??\M: v2.exe File opened (read-only) \??\O: v2.exe File opened (read-only) \??\T: v2.exe File opened (read-only) \??\F: v2.exe File opened (read-only) \??\Q: v2.exe File opened (read-only) \??\V: v2.exe File opened (read-only) \??\B: v2.exe File opened (read-only) \??\G: v2.exe File opened (read-only) \??\J: v2.exe File opened (read-only) \??\K: v2.exe File opened (read-only) \??\L: v2.exe File opened (read-only) \??\N: v2.exe File opened (read-only) \??\W: v2.exe File opened (read-only) \??\I: v2.exe File opened (read-only) \??\S: v2.exe File opened (read-only) \??\U: v2.exe File opened (read-only) \??\X: v2.exe File opened (read-only) \??\Y: v2.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6tc8.bmp" v2.exe -
Drops file in Program Files directory 29 IoCs
description ioc Process File created \??\c:\program files\33b8i3-readme.txt v2.exe File opened for modification \??\c:\program files\RegisterUse.wdp v2.exe File opened for modification \??\c:\program files\RequestWatch.m4a v2.exe File opened for modification \??\c:\program files\StepSkip.ttf v2.exe File opened for modification \??\c:\program files\OutExit.midi v2.exe File opened for modification \??\c:\program files\ResetUninstall.WTV v2.exe File opened for modification \??\c:\program files\SelectEnable.ini v2.exe File opened for modification \??\c:\program files\StopEnter.pptm v2.exe File opened for modification \??\c:\program files\UpdateClose.pcx v2.exe File opened for modification \??\c:\program files\CopyReceive.pot v2.exe File opened for modification \??\c:\program files\ImportFormat.docx v2.exe File opened for modification \??\c:\program files\RedoUnlock.svgz v2.exe File opened for modification \??\c:\program files\SplitDebug.xhtml v2.exe File opened for modification \??\c:\program files\AssertDeny.easmx v2.exe File opened for modification \??\c:\program files\CheckpointDismount.mp2 v2.exe File opened for modification \??\c:\program files\UseStop.wmf v2.exe File opened for modification \??\c:\program files\AddResume.3g2 v2.exe File opened for modification \??\c:\program files\ExpandLimit.mp2 v2.exe File opened for modification \??\c:\program files\RemoveJoin.xht v2.exe File opened for modification \??\c:\program files\UninstallConvertFrom.ppt v2.exe File created \??\c:\program files (x86)\33b8i3-readme.txt v2.exe File opened for modification \??\c:\program files\ConvertToInstall.asp v2.exe File opened for modification \??\c:\program files\DisableHide.asp v2.exe File opened for modification \??\c:\program files\OpenDisable.gif v2.exe File opened for modification \??\c:\program files\ReadGroup.pub v2.exe File opened for modification \??\c:\program files\RenameGrant.tiff v2.exe File opened for modification \??\c:\program files\DenyCompare.vsx v2.exe File opened for modification \??\c:\program files\MountResize.search-ms v2.exe File opened for modification \??\c:\program files\OutReset.wpl v2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 v2.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe 3656 v2.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 3656 v2.exe Token: SeTakeOwnershipPrivilege 3656 v2.exe Token: SeBackupPrivilege 1960 vssvc.exe Token: SeRestorePrivilege 1960 vssvc.exe Token: SeAuditPrivilege 1960 vssvc.exe -
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\v2.exe"C:\Users\Admin\AppData\Local\Temp\v2.exe"1⤵
- Drops startup file
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1728
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1960
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD5307728d3fd124fd69230ae7c75a66497
SHA16de19edd50cf8360e0de96689ccd41f62abc6640
SHA256c82450d5f5b658a4138d8acc84fd54cb544c7f035ad2ea6cc63d53cee5a79624
SHA512be777dfc05636c4c668c7795e6d6e4918e7f6e9ea8581fb4b5c3deb0568440c3a7e2f0704ca07d366f93007f55f786eeb6685ec30fb8ea04f7fcd83a1343f787