Overview

overview

10

Static

static

1

fb9c4b9a27...ae.exe

windows7-x64

10

fb9c4b9a27...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb9c4b9a277d1bec79c5d72eb92048ae.exe

  • Size

    735KB

  • Sample

    240522-wr2xhsbe24

  • MD5

    fb9c4b9a277d1bec79c5d72eb92048ae

  • SHA1

    cef6d340e836b1deb4be733e67273d1a9a328a35

  • SHA256

    aba228d167cbabe85ed94101c53d367bdd423d3fa84b977f4629c528912b0220

  • SHA512

    f5b1dd2da2d2417c7f54f339cb4a8ad8ffb099e758ec4521a1781507e9d71a166ea967ca425e1cf735c5b8aee7a207a98265a67e4067ab8a3bccc232f3d365d8

  • SSDEEP

    12288:ZFs228hxeGgy74QrVA2s/gUZj9yypbStAbQwxTnrmyP6iWOFhLKXMht7numB6804:s2/TD4QrsgYRyyItAHrmyfT3mCnT6804

Score
10/10
smokeloaderpub2backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Targets

    • Target

      fb9c4b9a277d1bec79c5d72eb92048ae.exe

    • Size

      735KB

    • MD5

      fb9c4b9a277d1bec79c5d72eb92048ae

    • SHA1

      cef6d340e836b1deb4be733e67273d1a9a328a35

    • SHA256

      aba228d167cbabe85ed94101c53d367bdd423d3fa84b977f4629c528912b0220

    • SHA512

      f5b1dd2da2d2417c7f54f339cb4a8ad8ffb099e758ec4521a1781507e9d71a166ea967ca425e1cf735c5b8aee7a207a98265a67e4067ab8a3bccc232f3d365d8

    • SSDEEP

      12288:ZFs228hxeGgy74QrVA2s/gUZj9yypbStAbQwxTnrmyP6iWOFhLKXMht7numB6804:s2/TD4QrsgYRyyItAHrmyfT3mCnT6804

    Score
    10/10
    smokeloaderpub2backdoortrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks