General

  • Target

    2a62ea99f6e89fb1bcf249917cc87bfc.bin

  • Size

    206KB

  • Sample

    240113-blh71ahhg4

  • MD5

    2a62ea99f6e89fb1bcf249917cc87bfc

  • SHA1

    c5640703e1ed6276babbef5102dc247aaf3c17c8

  • SHA256

    ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3

  • SHA512

    0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566

  • SSDEEP

    3072:Yp/htLJYeiJiiKnTa0/WxCExkGB4wYxRfHVvBL2A:+TLJYehe0/W8Qjn

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      2a62ea99f6e89fb1bcf249917cc87bfc.bin

    • Size

      206KB

    • MD5

      2a62ea99f6e89fb1bcf249917cc87bfc

    • SHA1

      c5640703e1ed6276babbef5102dc247aaf3c17c8

    • SHA256

      ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3

    • SHA512

      0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566

    • SSDEEP

      3072:Yp/htLJYeiJiiKnTa0/WxCExkGB4wYxRfHVvBL2A:+TLJYehe0/W8Qjn

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies firewall policy service

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Disables taskbar notifications via registry modification

    • Disables use of System Restore points

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks