General

  • Target

    693cef4031961e3a3334d6b3602addf934fdc24bba47490f0b9d05cc77c03318

  • Size

    270KB

  • Sample

    230924-rbfbcshc46

  • MD5

    7b2859985d51ac87adb699f1e5b31dba

  • SHA1

    8159ed415678abcf9080cb14d7d6590bd6053503

  • SHA256

    693cef4031961e3a3334d6b3602addf934fdc24bba47490f0b9d05cc77c03318

  • SHA512

    52f35df133b0c34eb51e0331047037ee7f64053a8230e4aa11db74c5ba97c75b556345bc14d5d3606decc91fac958340287a00d466bffde7dd320ae0fa58b503

  • SSDEEP

    6144:TR+hrJ+j+5j68KsT6h/OCy5U9uAO2Ap9qqw6:TRIN+j+5+RsqGGu5jnw6

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

      693cef4031961e3a3334d6b3602addf934fdc24bba47490f0b9d05cc77c03318

    • Size

      270KB

    • MD5

      7b2859985d51ac87adb699f1e5b31dba

    • SHA1

      8159ed415678abcf9080cb14d7d6590bd6053503

    • SHA256

      693cef4031961e3a3334d6b3602addf934fdc24bba47490f0b9d05cc77c03318

    • SHA512

      52f35df133b0c34eb51e0331047037ee7f64053a8230e4aa11db74c5ba97c75b556345bc14d5d3606decc91fac958340287a00d466bffde7dd320ae0fa58b503

    • SSDEEP

      6144:TR+hrJ+j+5j68KsT6h/OCy5U9uAO2Ap9qqw6:TRIN+j+5+RsqGGu5jnw6

    • Detected google phishing page

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks