Overview

overview

10

Static

static

3

aedbddbf74...JC.exe

windows7-x64

10

aedbddbf74...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe

  • Size

    630KB

  • Sample

    231013-czdecacg34

  • MD5

    af682568d545d56f405e1e476421467c

  • SHA1

    be54c56243fd37e288825bd1c01880fcc487d322

  • SHA256

    aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63

  • SHA512

    e9f4a7d6491f60b2ad2e3844813451838c4d548af2400713007cb8d0a768fde2edaea7b18404afcfc6c3d6fcfea27fe7ed521a7a5cefedc4a64b55ac5fda9cb3

  • SSDEEP

    12288:LxAF9CSqpcfzoiBYrJyc/eJDVAb76UP66iK:6F9C6zXOrJEJDA75d

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe

    • Size

      630KB

    • MD5

      af682568d545d56f405e1e476421467c

    • SHA1

      be54c56243fd37e288825bd1c01880fcc487d322

    • SHA256

      aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63

    • SHA512

      e9f4a7d6491f60b2ad2e3844813451838c4d548af2400713007cb8d0a768fde2edaea7b18404afcfc6c3d6fcfea27fe7ed521a7a5cefedc4a64b55ac5fda9cb3

    • SSDEEP

      12288:LxAF9CSqpcfzoiBYrJyc/eJDVAb76UP66iK:6F9C6zXOrJEJDA75d

    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 (110) files with added filename extension

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

      ransomware

    • Renames multiple (347) 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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks