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Overview

overview

10

Static

static

10

6ef07017f9...92.exe

windows7-x64

10

6ef07017f9...92.exe

windows10-2004-x64

10

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General

  • Target

    6ef07017f90f3c13a00d3f00ba78f46a937182fdc601a4633a6458c93de8c292

  • Size

    91KB

  • Sample

    240515-3a1fpahc3w

  • MD5

    dc09afef309993489dc3cfa2b0a479e9

  • SHA1

    82fcde0622647fcc9288ac271759758a6b12df87

  • SHA256

    6ef07017f90f3c13a00d3f00ba78f46a937182fdc601a4633a6458c93de8c292

  • SHA512

    e7f1b2c55d7008ada01131316cfc8947afc7fc52c4c6720f198579739d27e40c19d05aca232c4f06b0cb7f9e69554dd8eaeeaf5a50c02ae383abee539ec7bf8b

  • SSDEEP

    1536:ERsjdf1aM67v32Z9x5nouy8VTCRsjdf1aM67v32Z9x5nouy8VTF:EOaHv3YpoutNCOaHv3YpoutNF

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      6ef07017f90f3c13a00d3f00ba78f46a937182fdc601a4633a6458c93de8c292

    • Size

      91KB

    • MD5

      dc09afef309993489dc3cfa2b0a479e9

    • SHA1

      82fcde0622647fcc9288ac271759758a6b12df87

    • SHA256

      6ef07017f90f3c13a00d3f00ba78f46a937182fdc601a4633a6458c93de8c292

    • SHA512

      e7f1b2c55d7008ada01131316cfc8947afc7fc52c4c6720f198579739d27e40c19d05aca232c4f06b0cb7f9e69554dd8eaeeaf5a50c02ae383abee539ec7bf8b

    • SSDEEP

      1536:ERsjdf1aM67v32Z9x5nouy8VTCRsjdf1aM67v32Z9x5nouy8VTF:EOaHv3YpoutNCOaHv3YpoutNF

    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

    • UPX dump on OEP (original entry point)

    • 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 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

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

7
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks