General

  • Target

    6db27327a2233d8ee11abbed6229604b.bin

  • Size

    177KB

  • Sample

    240112-dpjn2sdefq

  • MD5

    38ca1387b830848f21f4f865d33fec37

  • SHA1

    c1587e1dc5f4c584065976d02ad04386ff910486

  • SHA256

    757768465a970aa74cdd702df6f5bf71615a036f1e01fc11d62c101f36647892

  • SHA512

    77851fcdcd5d51f10051815b09fb5feb88c48c6d6e577852ae32a2a7134ea7bd6f573e4708bfe06eea30e300173b82d67a250c7562417ff3933187889bde3bac

  • SSDEEP

    3072:jE4Q7JG5gxOIwNCP8uCk7sRl7/+gumhQBsDk5OFnmFaD0luSImcDaAwxe1hMqbCT:jE4Q7I589wQ8uCk7G+dmhQBsDCOFnmcc

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

      ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4.exe

    • Size

      290KB

    • MD5

      6db27327a2233d8ee11abbed6229604b

    • SHA1

      feb1887bd6f9c0f84ed539be18d2812042d87e74

    • SHA256

      ea040833f500c29fb2229a00c1578500c65fffddab8eea70083ef392cc066bc4

    • SHA512

      a0fac0a468fbc7d4f4b9a03a2a5fb94ec90172f04805066250a6c2fbf322a149acba3ecfd4cfa6889218e0c51bcece9d26c355cf36d5f939cb828a7735d5c5bf

    • SSDEEP

      6144:BecoZjpjdRLk/7Y8XOFPN8v9ntG/689RjObRXMA:B+ZjpRRA/7XOFPSvJq68fjObph

    • 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