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Overview

overview

10

Static

static

3

b3b8202580...50.exe

windows7-x64

10

b3b8202580...50.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3b8202580f0b47bf4d6dad051caa8bf07738d2601e4f512a26636826ecfb550

  • Size

    52KB

  • Sample

    240416-bj2xbsfc8x

  • MD5

    d5a12969c9c21b0eda19b157eee676d9

  • SHA1

    3bcb610ea66d2922ea2e0171cbae20b817408ef5

  • SHA256

    b3b8202580f0b47bf4d6dad051caa8bf07738d2601e4f512a26636826ecfb550

  • SHA512

    974227f4d3e664c47c73a7c08b9e2b98849982a98dad9efddcf2187c1ec9eb62f77c58ea51553bcbae5f8cbb3ded48723fa8249393d3eba7b8f731a8bd700bb9

  • SSDEEP

    768:d+ciLamXW9XgMxjFkpvMVX8q18q13yO1+33j5n/wrkfw:IzaEW5gMxZVXf8a3yO10pwb

Score
10/10
evasionpersistencetrojan

Malware Config

Targets

    • Target

      b3b8202580f0b47bf4d6dad051caa8bf07738d2601e4f512a26636826ecfb550

    • Size

      52KB

    • MD5

      d5a12969c9c21b0eda19b157eee676d9

    • SHA1

      3bcb610ea66d2922ea2e0171cbae20b817408ef5

    • SHA256

      b3b8202580f0b47bf4d6dad051caa8bf07738d2601e4f512a26636826ecfb550

    • SHA512

      974227f4d3e664c47c73a7c08b9e2b98849982a98dad9efddcf2187c1ec9eb62f77c58ea51553bcbae5f8cbb3ded48723fa8249393d3eba7b8f731a8bd700bb9

    • SSDEEP

      768:d+ciLamXW9XgMxjFkpvMVX8q18q13yO1+33j5n/wrkfw:IzaEW5gMxZVXf8a3yO10pwb

    Score
    10/10
    evasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Windows security bypass

      evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Sets file execution options in registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Windows security modification

      evasiontrojan

    • 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 Enterprise v15

Reconnaissance

Resource Development

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

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

2
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

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

10
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks