Overview

overview

10

Static

static

3

nbnbnbnbnbnb.exe

windows7-x64

nbnbnbnbnbnb.exe

windows10-2004-x64

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General

  • Target

    716335ba5cd1e7186c40295b199190e2b6655e48f1c1cbe12139ba67faa5e1ac.zip

  • Size

    15.6MB

  • Sample

    240426-mk9jcaee6y

  • MD5

    baa422ba2a6e1dc0e8e640683da3ee07

  • SHA1

    5d27381577e2d7bb605981bd0fb860b1345eecd7

  • SHA256

    c5b2591ba9149ca25d7936a9e5a27d92acd8f10e8e0a0b1d0f63928843a7a019

  • SHA512

    b47cf2766728890ae83aacd46185655d0f10e7996589656c2aa52485b31a2165f4693aed4143d7ee6769e7426c225f46e7f062fa79221190f41fef6462609ed3

  • SSDEEP

    393216:eFDFEnQbmLDnASZDdDxYfecQbLHZsoauY2+U:M2Qbm/nrZDd1CecoL5sRdq

Score
10/10
evasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      nbnbnbnbnbnb

    • Size

      15.9MB

    • MD5

      0f743287c9911b4b1c726c7c7edcaf7d

    • SHA1

      9760579e73095455fcbaddfe1e7e98a2bb28bfe0

    • SHA256

      716335ba5cd1e7186c40295b199190e2b6655e48f1c1cbe12139ba67faa5e1ac

    • SHA512

      2a6dd6288303700ef9cb06ae1efeb1e121c89c97708e5ecd15ed9b2a35d0ecff03d8da58b30daeadad89bd38dc4649521ada149fb457408e5a2bdf1512f88677

    • SSDEEP

      393216:UMwm0qBknxdEX+LbMUgoSZmWSmh4aaRN22ChHCMNku1y:UMcKX+Lbjgd7W1RNVC9ku1

    Score
    10/10
    evasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

3
T1490

Tasks