General

  • Target

    9c8cdcad2c02527baabc6021db827860.exe

  • Size

    289KB

  • Sample

    240112-mxtzesfcc6

  • MD5

    9c8cdcad2c02527baabc6021db827860

  • SHA1

    595e8b0ca750ffa43b5d33135bd3ac8ad1cdd128

  • SHA256

    792da83612534b65156bbeb82f175987cd969bee28f7c685623048b75a1e0c98

  • SHA512

    b1e1ade668338272d252a18b608252664aa120a09e3ae8b5567f18cc15645c2fb6633e223a80d5172dd24a00294a15ce7456f7c9d5fe6ee084abd3241b5abef9

  • SSDEEP

    6144:Gec43GFV0BLNzEwFrAcqvUoqcUc5E3/6IbRXMA:Gu3GFmBpzEwMHYL6Ibph

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

      9c8cdcad2c02527baabc6021db827860.exe

    • Size

      289KB

    • MD5

      9c8cdcad2c02527baabc6021db827860

    • SHA1

      595e8b0ca750ffa43b5d33135bd3ac8ad1cdd128

    • SHA256

      792da83612534b65156bbeb82f175987cd969bee28f7c685623048b75a1e0c98

    • SHA512

      b1e1ade668338272d252a18b608252664aa120a09e3ae8b5567f18cc15645c2fb6633e223a80d5172dd24a00294a15ce7456f7c9d5fe6ee084abd3241b5abef9

    • SSDEEP

      6144:Gec43GFV0BLNzEwFrAcqvUoqcUc5E3/6IbRXMA:Gu3GFmBpzEwMHYL6Ibph

    • BetaBot

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

    • Modifies firewall policy service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Sets file execution options 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 whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks