Overview

overview

10

Static

static

8

99cd30e5e4...88.exe

windows7_x64

10

99cd30e5e4...88.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    99cd30e5e45b85b12ac72c685b0c2937cd9b8edb71d7f359a6829353be77a288

  • Size

    336KB

  • Sample

    220707-e6am5sdagk

  • MD5

    76e0568cd550d31fe8f8974b69918a72

  • SHA1

    1b9dc5b41bddce2db51c9951ebc9efc211178358

  • SHA256

    99cd30e5e45b85b12ac72c685b0c2937cd9b8edb71d7f359a6829353be77a288

  • SHA512

    26d13b91bbb14e537a9f216973b21e28facdce6fb03184fa4a6c2343acc86eecab820513772d1e31c0bb8de79b3744edd67cd8919d5947f1f4ee8463cc157ce8

Score
10/10
collectionevasionpersistenceupx

Malware Config

Targets

    • Target

      99cd30e5e45b85b12ac72c685b0c2937cd9b8edb71d7f359a6829353be77a288

    • Size

      336KB

    • MD5

      76e0568cd550d31fe8f8974b69918a72

    • SHA1

      1b9dc5b41bddce2db51c9951ebc9efc211178358

    • SHA256

      99cd30e5e45b85b12ac72c685b0c2937cd9b8edb71d7f359a6829353be77a288

    • SHA512

      26d13b91bbb14e537a9f216973b21e28facdce6fb03184fa4a6c2343acc86eecab820513772d1e31c0bb8de79b3744edd67cd8919d5947f1f4ee8463cc157ce8

    Score
    10/10
    collectionevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

      collection

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Tasks