Overview

overview

10

Static

static

3

d4cb20dba1...08.exe

windows7-x64

10

d4cb20dba1...08.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08

  • Size

    602KB

  • Sample

    231013-1h1qbadf67

  • MD5

    42553b52c33d2b5f8a747819d0bf97d5

  • SHA1

    ae1bc8822e41c65caedc07dd98b0d9156e2a28cd

  • SHA256

    d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08

  • SHA512

    5ed02973a1a88dc4835a933e84d422ecad64dd33645d4621ecd396a8786269c7616b5e68a6744912c5f3bc831a1b897b89306b773577c90dfbf766e1186ffe4c

  • SSDEEP

    12288:k1gLpE124JdB+jegjTfWU3qU8FyFTdeQUSonYLVqY2Vi:HaM4JaSMoF4deLgVKQ

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08

    • Size

      602KB

    • MD5

      42553b52c33d2b5f8a747819d0bf97d5

    • SHA1

      ae1bc8822e41c65caedc07dd98b0d9156e2a28cd

    • SHA256

      d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08

    • SHA512

      5ed02973a1a88dc4835a933e84d422ecad64dd33645d4621ecd396a8786269c7616b5e68a6744912c5f3bc831a1b897b89306b773577c90dfbf766e1186ffe4c

    • SSDEEP

      12288:k1gLpE124JdB+jegjTfWU3qU8FyFTdeQUSonYLVqY2Vi:HaM4JaSMoF4deLgVKQ

    Score
    10/10
    phobosevasionpersistenceransomwarespywarestealer

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (171) files with added filename extension

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

      ransomware

    • Renames multiple (274) 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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

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

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

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks