Overview

overview

10

Static

static

10

d589839972...da.exe

windows7-x64

10

d589839972...da.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    d58983997298dadf95ea325c7febb598313477864e04f3c66eab330d639f9ada

  • Size

    91KB

  • Sample

    240425-eef1vaeh9z

  • MD5

    31c65e280fdfa9e83c69dbfd84208f88

  • SHA1

    d533af8c6322d99ee29b1f60b872485f4554a960

  • SHA256

    d58983997298dadf95ea325c7febb598313477864e04f3c66eab330d639f9ada

  • SHA512

    db1fc3deaed376a12e2016e5ab55c57e3c768cc2abf6c4fbd1fa9e47392a40a1afb77131638fe623d78fba95415510429dcef2a4f42be42795f0319fcafd181a

  • SSDEEP

    1536:9a8jroAbRB+XWCQLZeIdSwkma8jroAbRB+XWCQLZeIdSwkS4:LFRBLJSkFRBLJSB

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      d58983997298dadf95ea325c7febb598313477864e04f3c66eab330d639f9ada

    • Size

      91KB

    • MD5

      31c65e280fdfa9e83c69dbfd84208f88

    • SHA1

      d533af8c6322d99ee29b1f60b872485f4554a960

    • SHA256

      d58983997298dadf95ea325c7febb598313477864e04f3c66eab330d639f9ada

    • SHA512

      db1fc3deaed376a12e2016e5ab55c57e3c768cc2abf6c4fbd1fa9e47392a40a1afb77131638fe623d78fba95415510429dcef2a4f42be42795f0319fcafd181a

    • SSDEEP

      1536:9a8jroAbRB+XWCQLZeIdSwkma8jroAbRB+XWCQLZeIdSwkS4:LFRBLJSkFRBLJSB

    Score
    10/10
    aspackv2evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects executables packed with ASPack

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
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

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

9
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Resource Development

Reconnaissance

Tasks