Overview

overview

10

Static

static

3

2a50a42d3c...JC.exe

windows7-x64

10

2a50a42d3c...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe

  • Size

    382KB

  • Sample

    231014-epycwafh3z

  • MD5

    7e8b8c909f96c4058a7e8f7acd171a78

  • SHA1

    a0f2cc3a7fcb60f7389ee4555dbddc2ad5822c7e

  • SHA256

    2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324

  • SHA512

    5959a1b5e03f4b6d7ce837fab5bdce52ef8073666a4445e7d49904e252cf9d9233355bbd54eefd449528070de43d0f64b47bbef8160e2fee4a0dda292520c922

  • SSDEEP

    6144:MemFwi7Aaj8cDtp5adXbu7FK6jT92wiGgYP91k0dMENe2RurYEhM9+:Mnwi7RDtja5qN2PRYk0d/VRl

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe

    • Size

      382KB

    • MD5

      7e8b8c909f96c4058a7e8f7acd171a78

    • SHA1

      a0f2cc3a7fcb60f7389ee4555dbddc2ad5822c7e

    • SHA256

      2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324

    • SHA512

      5959a1b5e03f4b6d7ce837fab5bdce52ef8073666a4445e7d49904e252cf9d9233355bbd54eefd449528070de43d0f64b47bbef8160e2fee4a0dda292520c922

    • SSDEEP

      6144:MemFwi7Aaj8cDtp5adXbu7FK6jT92wiGgYP91k0dMENe2RurYEhM9+:Mnwi7RDtja5qN2PRYk0d/VRl

    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 (128) files with added filename extension

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

      ransomware

    • Renames multiple (89) 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