Overview

overview

10

Static

static

10

b93739acae...64.exe

windows7-x64

10

b93739acae...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b93739acaed9d2f6a48c9ab2239165c8e4741ec4b6de6643ba1efca12bec7d64

  • Size

    69KB

  • Sample

    240524-cwzs6saa69

  • MD5

    bfc41158ac74fc66b1b45ed13ee045b8

  • SHA1

    e3ac999666e4137f284b34589afb28658ed9ab4f

  • SHA256

    b93739acaed9d2f6a48c9ab2239165c8e4741ec4b6de6643ba1efca12bec7d64

  • SHA512

    b520cf7cbe230e963441d456a6854a46f5726d7cc2fdeeefadaf164cb377dcbbf273965ddb3a38c8eda257115f2558a2a5a601e42e7527e9e35fd40499b5cc0c

  • SSDEEP

    1536:EJrFDMRyriCY/qXfatMp4Q2V6fIMxIpL3:0F8dCY85TE6fIMSR3

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      b93739acaed9d2f6a48c9ab2239165c8e4741ec4b6de6643ba1efca12bec7d64

    • Size

      69KB

    • MD5

      bfc41158ac74fc66b1b45ed13ee045b8

    • SHA1

      e3ac999666e4137f284b34589afb28658ed9ab4f

    • SHA256

      b93739acaed9d2f6a48c9ab2239165c8e4741ec4b6de6643ba1efca12bec7d64

    • SHA512

      b520cf7cbe230e963441d456a6854a46f5726d7cc2fdeeefadaf164cb377dcbbf273965ddb3a38c8eda257115f2558a2a5a601e42e7527e9e35fd40499b5cc0c

    • SSDEEP

      1536:EJrFDMRyriCY/qXfatMp4Q2V6fIMxIpL3:0F8dCY85TE6fIMSR3

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UPX dump on OEP (original entry point)

    • Modifies Installed Components in the registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

4
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks