Analysis
- max time kernel
2s - max time network
123s - platform
windows10_x64 - resource
win10v20210408 - submitted
14/07/2021, 19:16
Static task
static1
Behavioral task
behavioral1
Sample
2.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target 2.exe
- Size 2.4MB
- Sample210714-rmcangttb2
- SHA256 79b9e821bd34d0f1e5572eceb741caca3302cfaa4cfdf97c5ed78450355c4cbf
- MD5 a1d45a1dfcf0c7b28819d2f3d9f8bd35
- SHA1 48b754be9094106fa3813c27e0a5e928c006f7ab
- SHA512 6c250f3530d7d246dc656fd1bbac203bb98b3fda83691bb67f95bd99d716a13fb867cebea638578fb9cb1ad482388fe0bfb80f5949b7fb9ac78d354ad72a322b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Path
-
C:\Boot\Fonts\HOW TO RESTORE YOUR FILES.TXT
Ransom Note
- Hello! Dear, Die Stambula Fahrservice GmbH! All your files are encrypted! We have downloaded more that 1.5TB of sensitive data from your company servers. Email me if you want to get your files back - I will do it very quickly! Contact me by email: [email protected] or [email protected] The subject line must contain an encryption extension or the name of your company! Do not rename encrypted files, you may lose them forever. You may be a victim of fraud. Free decryption as a guarantee. Send us up to 3 files for free decryption. The total file size should be no more than 1 MB! (not in the archive), and the files should not contain valuable information. (databases, backups, large Excel spreadsheets, etc.) !!! Do not turn off or restart the NAS equipment. This will lead to data loss !!! To contact us, we recommend that you create an email address at protonmail.com or tutanota.com Because gmail and other public email programs can block our messages! If you do not receive a response from us for a long time, check your spam folder. Additional ways to communicate in tox chat https://tox.chat/ contact our tox id: 7229828E766B9058D329B2B4BC0EDDD11612CBCCFA4811532CABC76ACF703074E0D1501F8418
URLs
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https://tox.chat/
Signatures
- Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
- Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 568 wrote to memory of 996 568 2.exe 69 PID 568 wrote to memory of 996 568 2.exe 69 PID 996 wrote to memory of 1768 996 cmd.exe 73 PID 996 wrote to memory of 1768 996 cmd.exe 73 PID 996 wrote to memory of 1496 996 cmd.exe 74 PID 996 wrote to memory of 1496 996 cmd.exe 74 PID 568 wrote to memory of 2884 568 2.exe 75 PID 568 wrote to memory of 2884 568 2.exe 75
Processes
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C:\Users\Admin\AppData\Local\Temp\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\esuiuotu.bat2⤵
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\system32\sc.exeSC QUERY3⤵PID:1768
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C:\Windows\system32\findstr.exeFINDSTR SERVICE_NAME3⤵PID:1496
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tlfegvlqgwwhn.bat2⤵PID:2884
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