Overview

overview

10

Static

static

3

8ab5333e54...53.exe

windows7-x64

10

8ab5333e54...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153

  • Size

    1.3MB

  • Sample

    241121-bkbfrsxaqd

  • MD5

    9da793b606f0e48141a94caa8eae97f9

  • SHA1

    f459ba585097b971445e92dae8077c4c60e1d7c7

  • SHA256

    8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153

  • SHA512

    8d74a7fa050414e4d93f393a7253cfa23fd62de1fe424e574f6a96bc4be3a79664d3ff1473fe4807936b0105b24b836b98f39ce6c205088e815f1ec57032cba9

  • SSDEEP

    12288:iVgvmzFHi0mo5aH0qMzd5807FAPJQPDHvd:iVgvOHi0mGaH0qSdPFS4V

Score
10/10
defense_evasiondiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153

    • Size

      1.3MB

    • MD5

      9da793b606f0e48141a94caa8eae97f9

    • SHA1

      f459ba585097b971445e92dae8077c4c60e1d7c7

    • SHA256

      8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153

    • SHA512

      8d74a7fa050414e4d93f393a7253cfa23fd62de1fe424e574f6a96bc4be3a79664d3ff1473fe4807936b0105b24b836b98f39ce6c205088e815f1ec57032cba9

    • SSDEEP

      12288:iVgvmzFHi0mo5aH0qMzd5807FAPJQPDHvd:iVgvOHi0mGaH0qSdPFS4V

    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