Overview

overview

10

Static

static

FD3E375CBD...9C.exe

windows7_x64

8

FD3E375CBD...9C.exe

windows10_x64

10

Resubmissions

16-07-2021 22:59

210716-z44ddd4k1s 10

16-07-2021 15:08

210716-zrkc8t4vve 10

16-07-2021 15:03

210716-78nwcpjpga 10

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General

  • Target

    FD3E375CBD09C6E1260CE52D3FE91B9C.exe

  • Size

    2.7MB

  • Sample

    210716-z44ddd4k1s

  • MD5

    fd3e375cbd09c6e1260ce52d3fe91b9c

  • SHA1

    59eac2602d5955b8d846fb337665bfc43934c87e

  • SHA256

    036d1b5b7a9bc9526fb0825cebe7b937ef0a8e00428a4ffc15eeb41858efc854

  • SHA512

    f9ee4e85f1f7ea23c7c51b72fa43c87bb06168856c4dfead982c64dcba3c11a5129a045c510c15fad213e808f476e7d56848d249d639bed1dd4353749e337810

Score
10/10
buranraccoonredlinesmokeloadersocelarstofseevidar933canaaspackv2backdoordiscoveryevasioninfostealerpersistenceransomwarespywarestealerthemidatrojan

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. To be sure we have the decryptor and it works you can send an email: udacha123@mail2tor.com and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? Write to email: udacha123@mail2tor.com telegram @udacha123yes 100$=24 hour Attention !!! in 24 hours the price will increase 3 times !!! have time to pay Your personal ID: 21E-2E3-06A Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Emails

udacha123@mail2tor.com

Extracted

Path

C:\_readme.txt

Ransom Note
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-mNr1oio2P6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: manager@mailtemp.ch Reserve e-mail address to contact us: managerhelper@airmail.cc Your personal ID: 0316ewgfDdNcBG8wI6Q1WFhUNlCRyjmrWGeGew2vvCKtJgKot1
Emails

manager@mailtemp.ch

managerhelper@airmail.cc
URLs

https://we.tl/t-mNr1oio2P6

Extracted

Path

C:\Users\Admin\_readme.txt

Ransom Note
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-mNr1oio2P6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: manager@mailtemp.ch Reserve e-mail address to contact us: managerhelper@airmail.cc Your personal ID: 0317ewgfDdU7G9lD7dF6jB6enq2GwTgCnebr4rB8NXS3mK2dY6
Emails

manager@mailtemp.ch

managerhelper@airmail.cc
URLs

https://we.tl/t-mNr1oio2P6

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/
rc4.i32
rc4.i32

Targets

    • Target

      FD3E375CBD09C6E1260CE52D3FE91B9C.exe

    • Size

      2.7MB

    • MD5

      fd3e375cbd09c6e1260ce52d3fe91b9c

    • SHA1

      59eac2602d5955b8d846fb337665bfc43934c87e

    • SHA256

      036d1b5b7a9bc9526fb0825cebe7b937ef0a8e00428a4ffc15eeb41858efc854

    • SHA512

      f9ee4e85f1f7ea23c7c51b72fa43c87bb06168856c4dfead982c64dcba3c11a5129a045c510c15fad213e808f476e7d56848d249d639bed1dd4353749e337810

    Score
    10/10
    aspackv2buranraccoonredlinesmokeloadersocelarstofseevidar933canabackdoordiscoveryevasioninfostealerpersistenceransomwarespywarestealerthemidatrojan

    • Buran

      Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

      ransomwareburan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

      stealerraccoon

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

      stealersocelars

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Windows security bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Nirsoft

    • Vidar Stealer

      stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Sets service image path in registry

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Tasks