Resubmissions
23/09/2026, 16:58
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260906-tp1kkawtev1005/09/2026, 18:17
260905-ww6fhagk9y1005/09/2026, 18:17
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260501-pj17pabt5j1021/04/2026, 16:21
260421-ttqadsht2l1021/04/2026, 16:07
260421-tk2xtscx711019/04/2026, 20:34
260419-zcnccsey4s10Analysis
- geolocation tags
nanew-jerseynorth-americaunited-statesususa - max time kernel
150s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 16:07
Static task
static1
Behavioral task
behavioral1
Sample
v2.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
v2.exe
Resource
win11-20260130-en
General
- Target v2.exe
- Size 121KB
- Sample260421-tk2xtscx71
- SHA256 74ce1be7fe32869dbbfe599d7992c306a7ee693eb517924135975daa64a3a92f
- MD5 944ed18066724dc6ca3fb3d72e4b9bdf
- SHA1 1a19c8793cd783a5bb89777f5bc09e580f97ce29
- SHA512 a4d23cba68205350ae58920479cb52836f9c6dac20d1634993f3758a1e5866f40b0296226341958d1200e1fcd292b8138c41a9ed8911d7abeaa223a06bfe4ad3
- SSDEEP 1536:vjVXKif7kaCtHM7qpo6ZQDtFnNi+ti09or2LkLpLik8ICS4Ao3uZs/WVEdz725sK:J1MZwlLk9Bm3uW/Wud2K36cn/wCY
- TLSH T130C3D023FD9141B3DA8381F7132F3F17DABEFD32282158A7D36088845EA55D1A71A627
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
C:\Recovery\a43w5k-readme.txt
-
sodinokibi
- ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension a43w5k. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/861AB9050ECB90A1 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/861AB9050ECB90A1 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: 3RIFkV/BzANvow0Y7gWMld6+hZA4pe9br6VjrBvpF7J25c1JRkRll7UTBh05V6xV i64V8n0urHg1GkSIyGoIlrSRu5hdpqFxDIQHn6BmPeSmhuERLJxLPxECuVs5OxEt +0+sxod4a5cqhC6BlXeE4avusxHEUGSEpEiyRaZ4dW3sGfWBZGPV+28BZF9B9UHd Cdx1OCuhX3+2x+mGfwI7aPiTrGnRuTxnTPb5Pz4fmhR88bV3bGhiwH3ivjqvNB9v L7IBpnDRGJTNTrqBxaGK17VvjuiS0VgsdmdRV5qPvRe35TvcvuBwg8Gvy/TxajKP GnCHSSRtY2wkAE3V4o6JAMqCoh8Br8f4NoGoebAkH/BJZCDG+LYiTAIrB+gRjbya h/jniIENmPlRYu5hUBYFSBBDoRJgpr5BkorZ2SJNkFXGfIOUuh+qVdhBP9Zp0Jen WjXC2M1VZw7IJaD6ta6b1N6udfSGSlxX3MToJXbcGGKNyt9MUueDG7e1DmwL++h7 lWPESt06IHxAI9UitX3rWFFi70yOq3HccV7bDzB4y1TgcRvskZyLHH5saXdqU336 RGPMRmpxVKIdAsYaVc7y/xA3JZPASCgTCIF7Us/OJGA3rGjXyntU6EiihSYWcTTM Xi9iWB4CMlrGMvYFYOUFNh4eTeevUaEI7YTkQxs/kFiHz2lUn96s+5QDQlggUCtH NQFYGXGatx7qxY4t4A33aoSvTgkaeGRDvNlXfF8A9P88wvjkZM9Nh9BQ4An0Dpc6 JU6p2XAQxhl2H9hKS40v6G97iDyDO1wl9+SVZvxssv7NEV1AGibHXe+9wg13/qFc hsgof3IkYE78sRXBATX02O9UM9cbHAStfZ9oZXeFZqn67ZGhVGolmti5iBdl2oYl MxGGm7x9vUrh9whXZASOj7X6ShSL6f2YIz5bp/7QbDWaPsBzTK5gb8Af8Wpa+8yT HIC7uxqZMLdDea3xIxjh7ei+bBiDAcmxN32gjFaaJC6HYWVZ0tniuav2Pj4YKDvB X/+hRS6oUifkSgiI4+okWrl7afM6QXppuEq1s7CK2IDZboK97MgoaiEEi6DqHjbQ 4fv8FL1dY+TlhngW+PsNhjxjqFVEC3bYfR6agYWMhMZaD+bHewil2APdfnhbsCNs DE2r8dQHfXLd60IfzQeMWfx4Z3Eron3ohQXP4kjkIAr5DXhTuEqRSUogdrEFUQ2o +9SrqmWwLEdiPZ7+QCMqaYr3X9RlwV6CDKtzdl3aNcjNWLDpSbEqokWXQOhYwnd4 2Fxryc+/NEwW9ugOouMiDDAuCLyibMCHZyVG+tSe1K8knJHPQfAXGjjYtxoCYMRn orHykP3KxHHA9YnLu06tFzZZlQMRcj1maMv5Kg== ----------------------------------------------------------------------------------------- We will use the data gathered from your systems in future campaigns in 14 days !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
-
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/861AB9050ECB90A1
-
http://decoder.re/861AB9050ECB90A1
Signatures
- Family: Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
- Drops startup file 1 IoCs
description ioc Process File created \??\c:\users\admin\appdata\roaming\microsoft\word\startup\a43w5k-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.
- 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) \??\Q: v2.exe File opened (read-only) \??\S: v2.exe File opened (read-only) \??\U: v2.exe File opened (read-only) \??\J: v2.exe File opened (read-only) \??\K: v2.exe File opened (read-only) \??\N: v2.exe File opened (read-only) \??\O: v2.exe File opened (read-only) \??\Y: v2.exe File opened (read-only) \??\H: v2.exe File opened (read-only) \??\T: v2.exe File opened (read-only) \??\V: v2.exe File opened (read-only) \??\W: v2.exe File opened (read-only) \??\D: v2.exe File opened (read-only) \??\A: v2.exe File opened (read-only) \??\B: v2.exe File opened (read-only) \??\E: v2.exe File opened (read-only) \??\R: v2.exe File opened (read-only) \??\X: v2.exe File opened (read-only) \??\Z: v2.exe File opened (read-only) \??\F: v2.exe File opened (read-only) \??\G: v2.exe File opened (read-only) \??\I: v2.exe File opened (read-only) \??\L: v2.exe File opened (read-only) \??\M: v2.exe File opened (read-only) \??\P: v2.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\481l6ozfap2.bmp" v2.exe - Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification \??\c:\program files\CompressFormat.au3 v2.exe File opened for modification \??\c:\program files\EnableRegister.gif v2.exe File opened for modification \??\c:\program files\GetSuspend.tiff v2.exe File opened for modification \??\c:\program files\MountRevoke.css v2.exe File opened for modification \??\c:\program files\PublishRepair.rtf v2.exe File opened for modification \??\c:\program files\TestApprove.ADTS v2.exe File opened for modification \??\c:\program files\TestResize.vssx v2.exe File created \??\c:\program files\a43w5k-readme.txt v2.exe File created \??\c:\program files (x86)\a43w5k-readme.txt v2.exe File opened for modification \??\c:\program files\ExitExport.dib v2.exe File opened for modification \??\c:\program files\InitializeDisconnect.dot v2.exe File opened for modification \??\c:\program files\AddUnpublish.nfo v2.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe 1908 v2.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1908 v2.exe Token: SeTakeOwnershipPrivilege 1908 v2.exe Token: SeBackupPrivilege 3260 vssvc.exe Token: SeRestorePrivilege 3260 vssvc.exe Token: SeAuditPrivilege 3260 vssvc.exe - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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:1908
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4984
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3260
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Recovery\a43w5k-readme.txt
- Size 7KB
- SHA256 2c822f7ef0a11a41fc1492699591988b089e4fda3fa5c3f22dd39aeb4d019184
- MD5 e02d167aa079fa4f4e85faa9932b8ca7
- SHA1 93f21075fab8cb28193bc6d222f2a68375a17198
- SHA512 abd4ad79e20da8d3fbda661634b52671667cf59e32c7609759e6b3c7b893467c5e262f4fdb63791371ab27138959df130754041e92ac8046ce70327fc00c1a9f
- SSDEEP 96:GLPyiNsgyV4xU3TPD4eMm2UcguenW0XptiZzjt18kpB/W7+hd9PrR5u:GLPyDV93jD4fZeWeptidT7Js+pDW
- TLSH T1E0E125226BF94108B6F37F516AF461B5DA7ABDA36D39D94C0180014E0AFAE41CDA0F77
- MD5 SHA1 SHA512 SSDEEP TLSH