General

  • Target

    QUOTE .js

  • Size

    17KB

  • Sample

    220624-kkwalsbbcq

  • MD5

    d6b787f507ee09398e2011a56d184699

  • SHA1

    d34ad5be20b28078dff0e74a6deadb8198b79503

  • SHA256

    ee23aac95e9bf15da275f635fe526a244290b84b92217fc99706dca802693f72

  • SHA512

    fc74b69ee7f1de5b7bb386885e37836d7ea783f47ad1cb1515f2a5c56aa4320c48882cd7fffe522aee22e454a8ec7646d655738d9d2b94c2cc47487a8c617c35

Malware Config

Extracted

Family

redline

Botnet

bigcash

C2

45.137.22.137:37747

Targets

    • Target

      QUOTE .js

    • Size

      17KB

    • MD5

      d6b787f507ee09398e2011a56d184699

    • SHA1

      d34ad5be20b28078dff0e74a6deadb8198b79503

    • SHA256

      ee23aac95e9bf15da275f635fe526a244290b84b92217fc99706dca802693f72

    • SHA512

      fc74b69ee7f1de5b7bb386885e37836d7ea783f47ad1cb1515f2a5c56aa4320c48882cd7fffe522aee22e454a8ec7646d655738d9d2b94c2cc47487a8c617c35

    • RedLine

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

    • RedLine Payload

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks