Overview

overview

10

Static

static

3

4738967ae1...8c.exe

windows7-x64

10

4738967ae1...8c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c

  • Size

    655KB

  • Sample

    240525-bckdpsgh6v

  • MD5

    3239012c90f506c262a547720d46004b

  • SHA1

    3a7dfbcf28f7db1061697d1b4ce87a9c5cd008bb

  • SHA256

    4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c

  • SHA512

    7fa6ecda19d55518416ccae74db17dbb3932c3a6b2d770c1bfd9b83e71ec54b52ae1a2f6bd0e694c86d74dac5b7f066ec1e94cf8f27e210f6b20ce874c79c7ef

  • SSDEEP

    12288:ChTV9R/ZzP/bm2OEBPwIJNwLQCRYrXFUibtfX6tODtdLPdLnb5AhXBtttKJo2ELy:ChfhZzPD3P2LQVr1vbNVDtdLPdL1AhX4

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c

    • Size

      655KB

    • MD5

      3239012c90f506c262a547720d46004b

    • SHA1

      3a7dfbcf28f7db1061697d1b4ce87a9c5cd008bb

    • SHA256

      4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c

    • SHA512

      7fa6ecda19d55518416ccae74db17dbb3932c3a6b2d770c1bfd9b83e71ec54b52ae1a2f6bd0e694c86d74dac5b7f066ec1e94cf8f27e210f6b20ce874c79c7ef

    • SSDEEP

      12288:ChTV9R/ZzP/bm2OEBPwIJNwLQCRYrXFUibtfX6tODtdLPdLnb5AhXBtttKJo2ELy:ChfhZzPD3P2LQVr1vbNVDtdLPdL1AhX4

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks