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230711-qv314aad81 10Analysis
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max time kernel
60s -
max time network
65s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
11-07-2023 13:35
Static task
static1
Behavioral task
behavioral1
Sample
v2.exe
Resource
win10v2004-20230703-en
Errors
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:\ProgramData\9oo2ne1s7-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/18E4DE1A3746FDBC
http://decoder.re/18E4DE1A3746FDBC
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Drops startup file 1 IoCs
Processes:
v2.exedescription ioc process File created \??\c:\users\admin\appdata\roaming\microsoft\word\startup\9oo2ne1s7-readme.txt v2.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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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
v2.exedescription ioc process 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) \??\O: v2.exe File opened (read-only) \??\T: v2.exe File opened (read-only) \??\X: v2.exe File opened (read-only) \??\E: v2.exe File opened (read-only) \??\J: v2.exe File opened (read-only) \??\R: v2.exe File opened (read-only) \??\V: v2.exe File opened (read-only) \??\Y: v2.exe File opened (read-only) \??\A: v2.exe File opened (read-only) \??\H: v2.exe File opened (read-only) \??\U: v2.exe File opened (read-only) \??\Z: v2.exe File opened (read-only) \??\Q: v2.exe File opened (read-only) \??\S: v2.exe File opened (read-only) \??\I: v2.exe File opened (read-only) \??\M: v2.exe File opened (read-only) \??\P: v2.exe File opened (read-only) \??\W: v2.exe File opened (read-only) \??\F: v2.exe File opened (read-only) \??\B: v2.exe File opened (read-only) \??\G: v2.exe -
Drops file in Program Files directory 32 IoCs
Processes:
v2.exedescription ioc process File opened for modification \??\c:\program files\RemoveRepair.svgz v2.exe File opened for modification \??\c:\program files\SearchDebug.docx v2.exe File opened for modification \??\c:\program files\DenyRestart.potm v2.exe File opened for modification \??\c:\program files\GroupDisable.asp v2.exe File opened for modification \??\c:\program files\LimitEnter.contact v2.exe File opened for modification \??\c:\program files\PopRedo.docx v2.exe File opened for modification \??\c:\program files\ProtectShow.jpe v2.exe File opened for modification \??\c:\program files\ResetConnect.asp v2.exe File opened for modification \??\c:\program files\TestDisconnect.vstm v2.exe File opened for modification \??\c:\program files\SearchRevoke.mhtml v2.exe File opened for modification \??\c:\program files\SwitchSend.pptx v2.exe File created \??\c:\program files (x86)\9oo2ne1s7-readme.txt v2.exe File opened for modification \??\c:\program files\PublishUnregister.css v2.exe File opened for modification \??\c:\program files\HideEdit.m1v v2.exe File opened for modification \??\c:\program files\PingUndo.jpeg v2.exe File opened for modification \??\c:\program files\SubmitPing.midi v2.exe File created \??\c:\program files\9oo2ne1s7-readme.txt v2.exe File opened for modification \??\c:\program files\ExportPush.cr2 v2.exe File opened for modification \??\c:\program files\FindResolve.dib v2.exe File opened for modification \??\c:\program files\GrantInstall.avi v2.exe File opened for modification \??\c:\program files\LimitSwitch.mpeg2 v2.exe File opened for modification \??\c:\program files\RenameMount.ADT v2.exe File opened for modification \??\c:\program files\SwitchClear.edrwx v2.exe File opened for modification \??\c:\program files\UnblockResume.3gp2 v2.exe File opened for modification \??\c:\program files\FindRedo.mp4v v2.exe File opened for modification \??\c:\program files\GetEnter.m1v v2.exe File opened for modification \??\c:\program files\ImportConfirm.mhtml v2.exe File opened for modification \??\c:\program files\InitializeRevoke.svgz v2.exe File opened for modification \??\c:\program files\NewFind.M2TS v2.exe File opened for modification \??\c:\program files\OutRemove.contact v2.exe File opened for modification \??\c:\program files\PublishTest.mpeg v2.exe File opened for modification \??\c:\program files\SplitSet.htm v2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "178" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
v2.exepid process 4044 v2.exe 4044 v2.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
v2.exevssvc.exedescription pid process Token: SeDebugPrivilege 4044 v2.exe Token: SeTakeOwnershipPrivilege 4044 v2.exe Token: SeBackupPrivilege 2644 vssvc.exe Token: SeRestorePrivilege 2644 vssvc.exe Token: SeAuditPrivilege 2644 vssvc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
LogonUI.exepid process 5612 LogonUI.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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\9oo2ne1s7-readme.txt1⤵
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39ba055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\9oo2ne1s7-readme.txtFilesize
7KB
MD51062d5e4d8e1a7b514d54e8a8c7aa0b3
SHA1eeef9d89b49db8c66d025619ef9e317afa5d721c
SHA256354f46699eec221d0c4f15481fdc6d1b12020f06a9512ea5fac2be615c0102c9
SHA5128de0b187a58c0a793003e098a65470e02ec405d9f67d87570af49be046cdd995cdeb4c357d18fd3581bb2c3dc3426449194cca3546907f0b463019d218fc0eee
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C:\Users\Admin\Downloads\9oo2ne1s7-readme.txtFilesize
7KB
MD51062d5e4d8e1a7b514d54e8a8c7aa0b3
SHA1eeef9d89b49db8c66d025619ef9e317afa5d721c
SHA256354f46699eec221d0c4f15481fdc6d1b12020f06a9512ea5fac2be615c0102c9
SHA5128de0b187a58c0a793003e098a65470e02ec405d9f67d87570af49be046cdd995cdeb4c357d18fd3581bb2c3dc3426449194cca3546907f0b463019d218fc0eee