Overview

overview

10

Static

static

3

NEAS.df3fa...JC.exe

windows7-x64

10

NEAS.df3fa...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NEAS.df3fa0348c0892c9037e8ef76f0daee0_JC.exe

  • Size

    115KB

  • Sample

    231101-y4mpgacg9z

  • MD5

    df3fa0348c0892c9037e8ef76f0daee0

  • SHA1

    a979c7d503d997a680dab95310071c5a568e2b86

  • SHA256

    2e010758368e63bb73a6420a25fc617f5db9410d3a447e69298c0cb30565a3a6

  • SHA512

    c1ef00be18039bf0110bad04b908748409c1c9d2cc267e6670498f273773419e6e00a1ddcc744fca44a433dcbb58591f166cd0ab70a1e17d407833bd71795d24

  • SSDEEP

    1536:f+xbwRJHzyuKGds6VODMohuQVPlIspb3RsVnJJoO7Y3U7Q5jlpuh/w8:QKZyuKG6HnBJGVJJoOSjY1

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      NEAS.df3fa0348c0892c9037e8ef76f0daee0_JC.exe

    • Size

      115KB

    • MD5

      df3fa0348c0892c9037e8ef76f0daee0

    • SHA1

      a979c7d503d997a680dab95310071c5a568e2b86

    • SHA256

      2e010758368e63bb73a6420a25fc617f5db9410d3a447e69298c0cb30565a3a6

    • SHA512

      c1ef00be18039bf0110bad04b908748409c1c9d2cc267e6670498f273773419e6e00a1ddcc744fca44a433dcbb58591f166cd0ab70a1e17d407833bd71795d24

    • SSDEEP

      1536:f+xbwRJHzyuKGds6VODMohuQVPlIspb3RsVnJJoO7Y3U7Q5jlpuh/w8:QKZyuKG6HnBJGVJJoOSjY1

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (67) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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 file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks