79b9e821bd34d0f1e5572eceb741caca3302cfaa4cfdf97c5ed78450355c4cbf

General

Target

2.exe
Size

2.4MB
MD5

a1d45a1dfcf0c7b28819d2f3d9f8bd35
SHA1

48b754be9094106fa3813c27e0a5e928c006f7ab
SHA256

79b9e821bd34d0f1e5572eceb741caca3302cfaa4cfdf97c5ed78450355c4cbf
SHA512

6c250f3530d7d246dc656fd1bbac203bb98b3fda83691bb67f95bd99d716a13fb867cebea638578fb9cb1ad482388fe0bfb80f5949b7fb9ac78d354ad72a322b

Score

10^/10

ransomware

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: aid.keepcalm@seznam.cz or aid.keepcalm@protonmail.com 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

Emails

aid.keepcalm@seznam.cz

aid.keepcalm@protonmail.com

URLs

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

Processes:

2.execmd.exe

description	pid	process	target process
PID 568 wrote to memory of 996	568	2.exe	cmd.exe
PID 568 wrote to memory of 996	568	2.exe	cmd.exe
PID 996 wrote to memory of 1768	996	cmd.exe	sc.exe
PID 996 wrote to memory of 1768	996	cmd.exe	sc.exe
PID 996 wrote to memory of 1496	996	cmd.exe	findstr.exe
PID 996 wrote to memory of 1496	996	cmd.exe	findstr.exe
PID 568 wrote to memory of 2884	568	2.exe	cmd.exe
PID 568 wrote to memory of 2884	568	2.exe	cmd.exe

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.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\esuiuotu.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\system32\sc.exe
SC QUERY
3⤵
PID:1768

C:\Windows\system32\findstr.exe
FINDSTR SERVICE_NAME
3⤵
PID:1496

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tlfegvlqgwwhn.bat
2⤵
PID:2884

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\esuiuotu.bat
MD5
55310bb774fff38cca265dbc70ad6705

SHA1
cb8d76e9fd38a0b253056e5f204dab5441fe932b

SHA256
1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

SHA512
40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

Download Submit
memory/996-114-0x0000000000000000-mapping.dmp

Download
memory/1496-117-0x0000000000000000-mapping.dmp

Download
memory/1768-116-0x0000000000000000-mapping.dmp

Download
memory/2884-118-0x0000000000000000-mapping.dmp

Download

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