Overview

overview

10

Static

static

e_win.exe

windows7_x64

10

e_win.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    e_win.bin

  • Size

    79KB

  • Sample

    220531-tzzq1sfdeq

  • MD5

    e5adc80639046a5c69bcfeee458e0833

  • SHA1

    d9e3f9edda5df290b5be6fb1d335b750dd7c6758

  • SHA256

    ea95f131bd9b49104d9e7ae83335254549ded9d71d557c6e4746740aecca2c85

  • SHA512

    c11a24e14ba5fa2b0e2c2b544dd4218ce4c8caae3db7cebd5b0305223f96bde09c9bd237cb8d32768f30118f7be73240971e772f7a89db7c0fba5c6105107e3a

Score
10/10
babukransomware

Malware Config

Targets

    • Target

      e_win.bin

    • Size

      79KB

    • MD5

      e5adc80639046a5c69bcfeee458e0833

    • SHA1

      d9e3f9edda5df290b5be6fb1d335b750dd7c6758

    • SHA256

      ea95f131bd9b49104d9e7ae83335254549ded9d71d557c6e4746740aecca2c85

    • SHA512

      c11a24e14ba5fa2b0e2c2b544dd4218ce4c8caae3db7cebd5b0305223f96bde09c9bd237cb8d32768f30118f7be73240971e772f7a89db7c0fba5c6105107e3a

    Score
    10/10
    babukransomware

    • Babuk Locker

      RaaS first seen in 2021 initially called Vasa Locker.

      ransomwarebabuk

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

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

Tasks