Overview

overview

10

Static

static

3

9f40b69060...f1.exe

windows7-x64

10

9f40b69060...f1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1

  • Size

    295KB

  • Sample

    231012-t9s18aca9z

  • MD5

    ff230f8ca501e06feedd202b40879e2b

  • SHA1

    6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0

  • SHA256

    9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1

  • SHA512

    308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800

  • SSDEEP

    6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1

    • Size

      295KB

    • MD5

      ff230f8ca501e06feedd202b40879e2b

    • SHA1

      6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0

    • SHA256

      9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1

    • SHA512

      308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800

    • SSDEEP

      6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq

    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 (158) files with added filename extension

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

      ransomware

    • Renames multiple (173) 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