Overview

overview

10

Static

static

3

NEAS.NEASN...JC.exe

windows7-x64

10

NEAS.NEASN...JC.exe

windows10-2004-x64

10

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General

  • Target

    NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe

  • Size

    549KB

  • Sample

    231013-vrtepscb9w

  • MD5

    40a2a330dece024db63f275748eb3d7a

  • SHA1

    97508bbbff47aa06a381ff80428b8578d4daafb5

  • SHA256

    7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8

  • SHA512

    dcec48482463a960d47ea93b655dfec3ca88561fab3648b5ab8a8e7253a59d282c7cd4392daec9d3c95ebe9fb5265961705433c2374f6ffe2348123e586ed0a4

  • SSDEEP

    12288:yVthvdMSOXfbbOPFErVy0MRRp1o6tD5B:k3FMFXfXOPmRy0Wp1Ft

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe

    • Size

      549KB

    • MD5

      40a2a330dece024db63f275748eb3d7a

    • SHA1

      97508bbbff47aa06a381ff80428b8578d4daafb5

    • SHA256

      7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8

    • SHA512

      dcec48482463a960d47ea93b655dfec3ca88561fab3648b5ab8a8e7253a59d282c7cd4392daec9d3c95ebe9fb5265961705433c2374f6ffe2348123e586ed0a4

    • SSDEEP

      12288:yVthvdMSOXfbbOPFErVy0MRRp1o6tD5B:k3FMFXfXOPmRy0Wp1Ft

    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 (140) files with added filename extension

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

      ransomware

    • Renames multiple (378) 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