Overview

overview

10

Static

static

7

031af0c3bf...7d.exe

windows7-x64

10

031af0c3bf...7d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    031af0c3bfffa0879e7b5df4a385be74c3dd6c5ddc2464d6aee5c6ab8eec987d

  • Size

    91KB

  • Sample

    240808-wr668sxalq

  • MD5

    0d80e3a00fff497e54f10335e4991048

  • SHA1

    b1db178fe1ff7dd932f91588b2194d60f160fcbe

  • SHA256

    031af0c3bfffa0879e7b5df4a385be74c3dd6c5ddc2464d6aee5c6ab8eec987d

  • SHA512

    38967364b6128bc65c6307c3dda2332acfbb01a95f599ed04e6e55ccfe3f888093131de2efb7cc559fdc3fb3221535a23365cc338fbe350c6330a3a043378763

  • SSDEEP

    1536:ERsjdf1aM67v32Z9x5nouy8VTZRsjdf1aM67v32Z9x5nouy8VT+W:EOaHv3YpoutNZOaHv3YpoutN+W

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      031af0c3bfffa0879e7b5df4a385be74c3dd6c5ddc2464d6aee5c6ab8eec987d

    • Size

      91KB

    • MD5

      0d80e3a00fff497e54f10335e4991048

    • SHA1

      b1db178fe1ff7dd932f91588b2194d60f160fcbe

    • SHA256

      031af0c3bfffa0879e7b5df4a385be74c3dd6c5ddc2464d6aee5c6ab8eec987d

    • SHA512

      38967364b6128bc65c6307c3dda2332acfbb01a95f599ed04e6e55ccfe3f888093131de2efb7cc559fdc3fb3221535a23365cc338fbe350c6330a3a043378763

    • SSDEEP

      1536:ERsjdf1aM67v32Z9x5nouy8VTZRsjdf1aM67v32Z9x5nouy8VT+W:EOaHv3YpoutNZOaHv3YpoutN+W

    Score
    10/10
    discoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • 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 file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
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

2
T1547

Registry Run Keys / Startup Folder

1
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

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks