General
Target

9528313d13ec6629a64434c36e11872cc12f35232908b2a2e6a89636a199d6cd

Size

174KB

Sample

210826-epqpjsdkt2

Score
10/10
MD5

badcc5eeb093cfa468ac2433ca3ec639

SHA1

1e9b7c068262b69803f40088d7c296ec1cad777c

SHA256

9528313d13ec6629a64434c36e11872cc12f35232908b2a2e6a89636a199d6cd

SHA512

9710efb850d7109bbb51a769ecf610e1c79732d331c140392b68448f3fca49249b1458cbf7e4e931056bc4987a605616052197f1003c68d0490f66ab6e25c611

Malware Config

Extracted

Path

C:\How To Restore Your Files.txt

Ransom Note
Hi, friend. Your files are encrypted. And you can't do anything with them. If you want to restore them, contact us via telegram @username312321 Price - 350 $ You can pay with BTC - bc1qd53hpk76zutapw8tsgnnkeuuuhuk4ecr2wrd93
Wallets

bc1qd53hpk76zutapw8tsgnnkeuuuhuk4ecr2wrd93

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32
Targets
Target

9528313d13ec6629a64434c36e11872cc12f35232908b2a2e6a89636a199d6cd

MD5

badcc5eeb093cfa468ac2433ca3ec639

Filesize

174KB

Score
10/10
SHA1

1e9b7c068262b69803f40088d7c296ec1cad777c

SHA256

9528313d13ec6629a64434c36e11872cc12f35232908b2a2e6a89636a199d6cd

SHA512

9710efb850d7109bbb51a769ecf610e1c79732d331c140392b68448f3fca49249b1458cbf7e4e931056bc4987a605616052197f1003c68d0490f66ab6e25c611

Tags

Signatures

  • Babuk Locker

    Description

    RaaS first seen in 2021 initially called Vasa Locker.

    Tags

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Deletes shadow copies

    Description

    Ransomware often targets backup files to inhibit system recovery.

    Tags

    TTPs

    File DeletionInhibit System Recovery
  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies extensions of user files

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

  • Checks BIOS information in registry

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Deletes itself

  • Reads user/profile data of web browsers

    Description

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

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Themida packer

    Description

    Detects Themida, an advanced Windows software protection system.

    Tags

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Checks installed software on the system

    Description

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

    Tags

    TTPs

    Query Registry
  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Enumerates connected drives

    Description

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

    TTPs

    Query RegistryPeripheral Device DiscoverySystem Information Discovery
  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Initial Access
          Lateral Movement
            Persistence
              Privilege Escalation