Overview

overview

10

Static

static

3

NEAS.bd775...80.exe

windows7-x64

10

NEAS.bd775...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.bd7756138f48dc4ec8088e23ef6a4c80.exe

  • Size

    56KB

  • Sample

    231024-y86yxahh91

  • MD5

    bd7756138f48dc4ec8088e23ef6a4c80

  • SHA1

    9a2387553eb58d992692d2e61e57c3caa5ea262a

  • SHA256

    102844e3e91b3f8d97588fc1571ac5f0e603d3942cbccfcb64f3bd25e34b0c66

  • SHA512

    9e1689c9d60815d110ed2fb307c17a90f2ec208687136d926416bb0254ec7461cf0120360c68dac8f34f8ed2b36a7ec66b3c30212a73b4662323c8eaf2f4fac2

  • SSDEEP

    768:AvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EYRnenrABc:CNeRBl5PT/rx1mzwRMSTdLpJYYs

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      NEAS.bd7756138f48dc4ec8088e23ef6a4c80.exe

    • Size

      56KB

    • MD5

      bd7756138f48dc4ec8088e23ef6a4c80

    • SHA1

      9a2387553eb58d992692d2e61e57c3caa5ea262a

    • SHA256

      102844e3e91b3f8d97588fc1571ac5f0e603d3942cbccfcb64f3bd25e34b0c66

    • SHA512

      9e1689c9d60815d110ed2fb307c17a90f2ec208687136d926416bb0254ec7461cf0120360c68dac8f34f8ed2b36a7ec66b3c30212a73b4662323c8eaf2f4fac2

    • SSDEEP

      768:AvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EYRnenrABc:CNeRBl5PT/rx1mzwRMSTdLpJYYs

    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 (268) files with added filename extension

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

      ransomware

    • Renames multiple (53) 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

    • Loads dropped DLL

    • 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)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    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

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks