Overview

overview

10

Static

static

3

a734a15aaa...6d.exe

windows7-x64

10

a734a15aaa...6d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a734a15aaa184c44cff75d9cd2db552281911cca12f913ce7866efe61a768e6d

  • Size

    45KB

  • Sample

    240811-bcd7pa1gmg

  • MD5

    b03469a76d12aeca26ac78015f67abd1

  • SHA1

    83749376d48d5731828b25a5ed049681a3839293

  • SHA256

    a734a15aaa184c44cff75d9cd2db552281911cca12f913ce7866efe61a768e6d

  • SHA512

    621d1c9dc3b39d13db0e25b345c233912b021177cbc018a907c4bdd2037c9dc6c598113443a2d3d89a06eb1adbc116e932d22bf5da67d1f3c2dab91972b06750

  • SSDEEP

    768:oMzk06sDnriJ3OGKeKNh/UkECjMtvR1VF2r+R5nOwekfZOSx:npDnq+5h/tDSZ15Wwdrx

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      a734a15aaa184c44cff75d9cd2db552281911cca12f913ce7866efe61a768e6d

    • Size

      45KB

    • MD5

      b03469a76d12aeca26ac78015f67abd1

    • SHA1

      83749376d48d5731828b25a5ed049681a3839293

    • SHA256

      a734a15aaa184c44cff75d9cd2db552281911cca12f913ce7866efe61a768e6d

    • SHA512

      621d1c9dc3b39d13db0e25b345c233912b021177cbc018a907c4bdd2037c9dc6c598113443a2d3d89a06eb1adbc116e932d22bf5da67d1f3c2dab91972b06750

    • SSDEEP

      768:oMzk06sDnriJ3OGKeKNh/UkECjMtvR1VF2r+R5nOwekfZOSx:npDnq+5h/tDSZ15Wwdrx

    Score
    10/10
    discoveryevasionpersistence

    • 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 Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • 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 Enterprise v15

Reconnaissance

Resource Development

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks