df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10-01-2024 15:06

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General

Target

df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
Size

949KB
MD5

a292fee8d8db83711e72c06d6f82562d
SHA1

82f88c1af036181ee4e92a2f9338c152d1ff0c58
SHA256

df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415
SHA512

50a63500809fdc218b3d1cdc2cf402261e1c2d63c6f66088c857b03f6c7e7165835f9959b9d8200541e6f69dd149bdc0f7c0a0801caaeccfe0a9807e7f8289f1
SSDEEP

12288:RcOlvT7Zom3rITxaVDrd5vUa69Ghj91nlQocyW7/P6E4kKjqnes9PBVW/g:RDJJDbcJ90jtH0bP6ELVne2

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\Program Files\instructions_read_me.txt

Ransom Note

ATTENTION! Your network has been breached and all data was encrypted. Please contact us at: https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/ Login ID: 7ab0444a-f73c-4ab0-b3a9-4c2ead84ecf1 *!* To access .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) *!* To restore all your PCs and get your network working again, follow these instructions: - Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency. Please follow these simple rules to avoid data corruption: - Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. Waiting you in a chat.

URLs

https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (2291) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Journal\ja-JP\Journal.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ADVZIP.DIC	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Java\jre7\lib\deploy.jar	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0198102.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SOA.DLL	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\skins\default.vlt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00438_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\AUDIOSEARCHSAPIFE.DLL	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\vdk150.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\THEMES.INF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN00790_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Mozilla Firefox\mozglue.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\fr-FR\Chess.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\CGMIMP32.FNT	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152878.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files (x86)\Windows Portable Devices\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Microsoft Games\More Games\es-ES\MoreGames.dll.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Esl\AiodLite.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\USP10.DLL	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationUp_SelectionSubpicture.png	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\updater.ini	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN00010_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Windows Media Player\es-ES\wmpnssui.dll.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessData.xml	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\en-US\FreeCell.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Internet Explorer\perfcore.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105496.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0158477.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CharSetTable.chr	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\de-DE\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Mozilla Firefox\browser\features\[email protected]	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\msdasqlr.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0171685.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Windows Defender\MpCommu.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files\Windows Defender\fr-FR\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SOCIALPROVIDER.DLL	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Peacock.jpg	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.chm	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files (x86)\Microsoft Office\MEDIA\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Windows NT\Accessories\en-US\wordpad.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\CsiSoap.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00814_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH02166_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BL00242_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH01242_.WMF	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Windows Media Player\en-US\WMPDMCCore.dll.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Java\jre7\bin\nio.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\pmd.cer	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadce.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files\Microsoft Games\Minesweeper\de-DE\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0101864.BMP	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Windows Media Player\en-US\wmpnscfg.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\it-IT\Sidebar.exe.mui	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_ja.dll	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\MahjongMCE.png	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File created	C:\Program Files\Windows Sidebar\fr-FR\instructions_read_me.txt	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\MSOXMLED.EXE	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
3020	vssadmin.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vokou2s5g\DefaultIcon	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vokou2s5g	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vokou2s5g\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2088	vssvc.exe
Token: SeRestorePrivilege	2088	vssvc.exe
Token: SeAuditPrivilege	2088	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2596	2000	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe	28
PID 2000 wrote to memory of 2596	2000	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe	28
PID 2000 wrote to memory of 2596	2000	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe	28
PID 2000 wrote to memory of 2596	2000	df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe	28
PID 2596 wrote to memory of 3020	2596	cmd.exe	30
PID 2596 wrote to memory of 3020	2596	cmd.exe	30
PID 2596 wrote to memory of 3020	2596	cmd.exe	30
PID 2596 wrote to memory of 3020	2596	cmd.exe	30

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe
"C:\Users\Admin\AppData\Local\Temp\df5b004be71717362e6b1ad22072f9ee4113b95b5d78c496a90857977a9fb415.exe"
1⤵
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\system32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3020

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact