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Overview

overview

10

Static

static

3

cbb80c1655...2N.exe

windows7-x64

10

cbb80c1655...2N.exe

windows10-2004-x64

10

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General

  • Target

    cbb80c1655c3d48393b462b06f9dc949ba014517432968aa8972beffc715c512N

  • Size

    3.1MB

  • Sample

    240919-mwgygavfjj

  • MD5

    c3e7b349ab01f3c8d361aef18d7d99b0

  • SHA1

    75d774e51fd6bd19bb5abb9c96ba54fbb88964c4

  • SHA256

    cbb80c1655c3d48393b462b06f9dc949ba014517432968aa8972beffc715c512

  • SHA512

    74d3c6b34d1edcd46ad98340c67313d03f9e351479df598fc7628ff9607e09af6c801d7387fd5f513c0dc12721a834991fcd6aeb7f0751764cc6dc9e2fd61a21

  • SSDEEP

    12288:DCgvmzFHi0mo5aH0qMzd58g7FWPJQPDHvd:DCgvOHi0mGaH0qSdzFI4V

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      cbb80c1655c3d48393b462b06f9dc949ba014517432968aa8972beffc715c512N

    • Size

      3.1MB

    • MD5

      c3e7b349ab01f3c8d361aef18d7d99b0

    • SHA1

      75d774e51fd6bd19bb5abb9c96ba54fbb88964c4

    • SHA256

      cbb80c1655c3d48393b462b06f9dc949ba014517432968aa8972beffc715c512

    • SHA512

      74d3c6b34d1edcd46ad98340c67313d03f9e351479df598fc7628ff9607e09af6c801d7387fd5f513c0dc12721a834991fcd6aeb7f0751764cc6dc9e2fd61a21

    • SSDEEP

      12288:DCgvmzFHi0mo5aH0qMzd58g7FWPJQPDHvd:DCgvOHi0mGaH0qSdzFI4V

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Hijack Execution Flow: Executable Installer File Permissions Weakness

      Possible Turn off User Account Control's privilege elevation for standard users.

      defense_evasionpersistenceprivilege_escalation

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    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

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

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

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hijack Execution Flow

1
T1574

Executable Installer File Permissions Weakness

1
T1574.005

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Safe Mode Boot

1
T1562.009

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks