Overview

overview

10

Static

static

3

45de59851d...9f.exe

windows10-1703-x64

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General

  • Target

    45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.zip

  • Size

    50KB

  • Sample

    240707-vp5d7awakm

  • MD5

    8fd320da3a184c9ec5c276b4c53aaba6

  • SHA1

    7a056eee69d1b5d4a9d7ee9ba6ff9f894776f661

  • SHA256

    0f0b08b0a369c11d49d40565b420ab1a4be75d9ba8e7eb4736488f6eea991603

  • SHA512

    6843b2dbbc99368f10d9ef8ed6e8c5dc9f59260d27a4a7cbc651871078d524d7e09a415180ec88a855ac950b59e2183350c2bd8771a23eb23d9cfc715c8efb5d

  • SSDEEP

    1536:DkEb+cYOSSjZRPx3bdIN/U5uo2ZxwNVoig5E:DMODjZRPBBIDwVSK

Score
10/10
phobosdefense_evasionevasionexecutionimpactpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target

      45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe

    • Size

      66KB

    • MD5

      87d6d2488b1260e70f4042bf1f292529

    • SHA1

      161f9a79f8197c9b5de1beb7bd4d425d5c23b45b

    • SHA256

      45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f

    • SHA512

      a9d3930de1ff5849e61d1807c6de4b063790dc03f7e4f3f2101cbddde55002ffcc85d2ff433b753a5936403feedbc93c0f3658ffb5e8051d00ba58641e6afda7

    • SSDEEP

      1536:/NeRBl5PT/rx1mzwRMSTdLpJy/jIlkugRGVy/SR1qo+tEgfNni:/QRrmzwR5JysFV12i

    Score
    10/10
    phobosdefense_evasionevasionexecutionimpactpersistenceprivilege_escalationransomware

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (75) files with added filename extension

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

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Direct Volume Access

1
T1006

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks