Overview

overview

10

Static

static

3

phobos.exe

windows7-x64

10

phobos.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    phobos.exe

  • Size

    56KB

  • Sample

    231211-rqyq9ahbcm

  • MD5

    2680a0e23ec4966fa69e3613d1e2e731

  • SHA1

    adef6ebd6794f47fb665c4f1b7341f6422deb01b

  • SHA256

    d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11

  • SHA512

    234d28bde9ba11225849efe5e6533d29fccbbd6e3028e347e7497488cb2d127b86d2acd0299cfff43c9871edf36db3840dafde2a564e28bb9e6e066051ec0af2

  • SSDEEP

    1536:vNeRBl5PT/rx1mzwRMSTdLpJeObjDNJjhkL:vQRrmzwR5JJPD/CL

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      phobos.exe

    • Size

      56KB

    • MD5

      2680a0e23ec4966fa69e3613d1e2e731

    • SHA1

      adef6ebd6794f47fb665c4f1b7341f6422deb01b

    • SHA256

      d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11

    • SHA512

      234d28bde9ba11225849efe5e6533d29fccbbd6e3028e347e7497488cb2d127b86d2acd0299cfff43c9871edf36db3840dafde2a564e28bb9e6e066051ec0af2

    • SSDEEP

      1536:vNeRBl5PT/rx1mzwRMSTdLpJeObjDNJjhkL:vQRrmzwR5JJPD/CL

    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 (313) 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

    • Checks computer location settings

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

    • 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)

    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

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

4
T1490

Tasks