Overview

overview

10

Static

static

10

abd49fd6f5...14.exe

windows7-x64

10

abd49fd6f5...14.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe

  • Size

    1.1MB

  • Sample

    221110-jldxaafhg6

  • MD5

    ad539ebdf9e34e02be487134cf9a6713

  • SHA1

    b5af8a12c5a6ed369debaad7eab59e3cb1715e2d

  • SHA256

    abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14

  • SHA512

    386291d7dd9fa62f7514e784a238bd7a5099a0d2edd8af6085c61e3953a6914faf3dc299f07d56bed3b5b337a18c8b636c84f88693d3bc2512f8dfd51e711492

  • SSDEEP

    24576:g3BzKGHF0bxTCFvXwKt/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoHWxVGI8WIQbQ:KV4xTCwu4Qc6/F87gIwQ

Score
10/10
surtrevasionransomwaretrojan

Malware Config

Targets

    • Target

      abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14.exe

    • Size

      1.1MB

    • MD5

      ad539ebdf9e34e02be487134cf9a6713

    • SHA1

      b5af8a12c5a6ed369debaad7eab59e3cb1715e2d

    • SHA256

      abd49fd6f57d4f0ffef794257692c61b2089ee412ae27fe36a9ffee41f9d5e14

    • SHA512

      386291d7dd9fa62f7514e784a238bd7a5099a0d2edd8af6085c61e3953a6914faf3dc299f07d56bed3b5b337a18c8b636c84f88693d3bc2512f8dfd51e711492

    • SSDEEP

      24576:g3BzKGHF0bxTCFvXwKt/aISpu4Qc6F3v1HT2BzN2tgGS3YzYhoHWxVGI8WIQbQ:KV4xTCwu4Qc6/F87gIwQ

    Score
    10/10
    evasionransomwaretrojan

    • Deletes NTFS Change Journal

      The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

      ransomware

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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.

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

1
T1112

File Deletion

3
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

5
T1490

Data Destruction

1
T1485

Tasks