General

  • Target

    toolspub2(1).exe

  • Size

    204KB

  • Sample

    240115-f93zjaacem

  • MD5

    42fd43493fe458c14357e791d574da30

  • SHA1

    cc8add3c129d5a6ea818ff818e6dcf83dbb61691

  • SHA256

    0a995df69165131d1a7a2c734f8f1b221338b2f9754ee1863cb8fd7fbdd296f7

  • SHA512

    49aed3b2bb525f285928d0aecde5d4189356c1374a5ab525e63442da6fe321c278b06216a0a739357bba6028f087d77070cb4d06765ac34c9def6fc2d7a8c706

  • SSDEEP

    3072:ZkIknM3Jq/AmlEkJiAj1K/2sIMOfbAichhFye+Uv3+RLzT+cmk:ZkIyXlEdOfEich3yIAzCcL

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

      toolspub2(1).exe

    • Size

      204KB

    • MD5

      42fd43493fe458c14357e791d574da30

    • SHA1

      cc8add3c129d5a6ea818ff818e6dcf83dbb61691

    • SHA256

      0a995df69165131d1a7a2c734f8f1b221338b2f9754ee1863cb8fd7fbdd296f7

    • SHA512

      49aed3b2bb525f285928d0aecde5d4189356c1374a5ab525e63442da6fe321c278b06216a0a739357bba6028f087d77070cb4d06765ac34c9def6fc2d7a8c706

    • SSDEEP

      3072:ZkIknM3Jq/AmlEkJiAj1K/2sIMOfbAichhFye+Uv3+RLzT+cmk:ZkIyXlEdOfEich3yIAzCcL

    • 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.

    • 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