Overview

overview

10

Static

static

10

b81be1a34b...bc.exe

windows7-x64

10

b81be1a34b...bc.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    b81be1a34bffe8b5f17c91fec9894e3fde43e59012aa59bfce266f5c0b042bbc
  • Size 457KB
  • Sample240614-dp8ceaxapj
  • SHA256 b81be1a34bffe8b5f17c91fec9894e3fde43e59012aa59bfce266f5c0b042bbc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target
      b81be1a34bffe8b5f17c91fec9894e3fde43e59012aa59bfce266f5c0b042bbc
    • Size 457KB
    • SHA256 b81be1a34bffe8b5f17c91fec9894e3fde43e59012aa59bfce266f5c0b042bbc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects executables built or packed with MPress PE compressor

    • UPX dump on OEP (original entry point)

    • Disables use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks