Overview

overview

10

Static

static

10

2024-01-30...er.exe

windows7-x64

10

2024-01-30...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-01-2024 12:33

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2024-01-30_dde253fbf823011af1961649e16e218c_babuk_destroyer.exe

  • Size

    79KB

  • MD5

    dde253fbf823011af1961649e16e218c

  • SHA1

    a725eac8b1e7487078dd79bac03b635fb658a511

  • SHA256

    ff78e9706891818a3db5ef3f46f107250f59bff43276d72e77eb4ec9d26e0e66

  • SHA512

    27f50866d9bd67b5859d0d7589a996b0ef0d131dea54b62d4e34c71200751739cba64257fe4cdc15ca86f52e3e017172b95b3290a1b6b76cb38c7ee46e5f9b77

  • SSDEEP

    1536:UmkWBeG/vEbmsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nsf:HBeQsmsrQLOJgY8Zp8LHD4XWaNH71dLc

Score
10/10
babukransomware

Malware Config

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (174) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-30_dde253fbf823011af1961649e16e218c_babuk_destroyer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-30_dde253fbf823011af1961649e16e218c_babuk_destroyer.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4732
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3804
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\How To Restore Your Files.txt
    Filesize

    143B

    MD5

    4412c9256c586536fe50e4e597e3e17c

    SHA1

    63fb5a15306c6322feb227aa8a5fbdce5e38ef1c

    SHA256

    2c8b4cf863cf122558b64a47c47179312012ffcc84bc9176bebe031fb47b4648

    SHA512

    298283dd3ec47888b80ccaeecd33d9c386a2b2af1bd01ea74142a970c6bfd3e9fdc1258f2ee4bdfbb68914103482a3e07f5b4e8f9d50abeda6ba3f65c35eda63

    Download Submit