General

  • Target

    614bf403bf44d9ea97810d8a7e29197a.exe

  • Size

    276KB

  • Sample

    240112-mw9cqaedfk

  • MD5

    614bf403bf44d9ea97810d8a7e29197a

  • SHA1

    a6e16375267ca3756ff09c997940592e701d94b6

  • SHA256

    d4ccf1fa78f6a843f2f2eb3ade48c9b486247b497fa54e3c9dc28f7c5ec7088d

  • SHA512

    8f1c20ab1eebb4dd5c7aa72b2a02d2d2e4cf8f4939d31d895fc069eff741f2796e15a11babfa2e71ea9a805d20b9b0994963da44cc2fc8d1367399d0cadabdeb

  • SSDEEP

    6144:6sVtsSuLe88PBJb3d9tiQCegRGCiPUgp6l:68tsRJ8Pbb/tXCegRzsUgc

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      614bf403bf44d9ea97810d8a7e29197a.exe

    • Size

      276KB

    • MD5

      614bf403bf44d9ea97810d8a7e29197a

    • SHA1

      a6e16375267ca3756ff09c997940592e701d94b6

    • SHA256

      d4ccf1fa78f6a843f2f2eb3ade48c9b486247b497fa54e3c9dc28f7c5ec7088d

    • SHA512

      8f1c20ab1eebb4dd5c7aa72b2a02d2d2e4cf8f4939d31d895fc069eff741f2796e15a11babfa2e71ea9a805d20b9b0994963da44cc2fc8d1367399d0cadabdeb

    • SSDEEP

      6144:6sVtsSuLe88PBJb3d9tiQCegRGCiPUgp6l:68tsRJ8Pbb/tXCegRzsUgc

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks