General

  • Target

    7687054ef76c0842a827c7249c7c5454.exe

  • Size

    221KB

  • Sample

    210929-vlz1asfda5

  • MD5

    7687054ef76c0842a827c7249c7c5454

  • SHA1

    da4177807371fa64acc17dfdd0fa0b6d6c39a8b7

  • SHA256

    f085d79b0b46ad9eda7f2191e2e668314553251ab5d0f4936f84cd2c1afa2564

  • SHA512

    2e32bfffb654c0372fc190f859152bd60136cbeb182a6f64f7f12ae46641f2b1fc498c87dd3513d015fcf9f6187ec6287cfe37660b42b474562137605452773a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

92.246.89.6:38437

Targets

    • Target

      7687054ef76c0842a827c7249c7c5454.exe

    • Size

      221KB

    • MD5

      7687054ef76c0842a827c7249c7c5454

    • SHA1

      da4177807371fa64acc17dfdd0fa0b6d6c39a8b7

    • SHA256

      f085d79b0b46ad9eda7f2191e2e668314553251ab5d0f4936f84cd2c1afa2564

    • SHA512

      2e32bfffb654c0372fc190f859152bd60136cbeb182a6f64f7f12ae46641f2b1fc498c87dd3513d015fcf9f6187ec6287cfe37660b42b474562137605452773a

    • Gozi RM3

      A heavily modified version of Gozi using RM3 loader.

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks