Overview

overview

10

Static

static

7

b8f6dca11e...a6.exe

windows7-x64

10

b8f6dca11e...a6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b8f6dca11ee276a67d3a209a37eae287bb3ad72eb1f8b728d5ca2fe204dd42a6

  • Size

    88KB

  • Sample

    240920-18peza1ejb

  • MD5

    a365fc317e0f541ed1d72463a19e99af

  • SHA1

    47c9b8ed077ac9ceea07df5c832e5fd8002fcb9d

  • SHA256

    b8f6dca11ee276a67d3a209a37eae287bb3ad72eb1f8b728d5ca2fe204dd42a6

  • SHA512

    0f3e483e11f919ac7b04653701bfab4bc074f769818053018061ec6edd64fe4e72de597b25d1f52107215cb8b6f2bbff9ec32a37fcb13a2ae36e983c83071bf3

  • SSDEEP

    1536:ERsjdf1aM67v32Z9x5nouy8VTWRsjdf1aM67v32Z9x5nouy8VT:EOaHv3YpoutNWOaHv3YpoutN

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      b8f6dca11ee276a67d3a209a37eae287bb3ad72eb1f8b728d5ca2fe204dd42a6

    • Size

      88KB

    • MD5

      a365fc317e0f541ed1d72463a19e99af

    • SHA1

      47c9b8ed077ac9ceea07df5c832e5fd8002fcb9d

    • SHA256

      b8f6dca11ee276a67d3a209a37eae287bb3ad72eb1f8b728d5ca2fe204dd42a6

    • SHA512

      0f3e483e11f919ac7b04653701bfab4bc074f769818053018061ec6edd64fe4e72de597b25d1f52107215cb8b6f2bbff9ec32a37fcb13a2ae36e983c83071bf3

    • SSDEEP

      1536:ERsjdf1aM67v32Z9x5nouy8VTWRsjdf1aM67v32Z9x5nouy8VT:EOaHv3YpoutNWOaHv3YpoutN

    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