General

  • Target

    order_list_fe99087.xls

  • Size

    221KB

  • Sample

    210210-b8bjnr89da

  • MD5

    aeb9b7f6fb7bac0deac61db8295e1d3c

  • SHA1

    823814c91d8c75933f0f49cda5b07ac14e484390

  • SHA256

    ce07dc9b67f4e91fb0254421599c3344f60732b99c24d39d4f2a5b8e93da56ef

  • SHA512

    cc3c349fdb18bbac96f36cff152c8c4873d10179cc6dab06863ac421ffc9b8d75f67c991522eaea736bc58aef3a7c172811e12f3ae08e4ebe6e32417456e936c

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://urgfuid.gq/z/z.exe

Targets

    • Target

      order_list_fe99087.xls

    • Size

      221KB

    • MD5

      aeb9b7f6fb7bac0deac61db8295e1d3c

    • SHA1

      823814c91d8c75933f0f49cda5b07ac14e484390

    • SHA256

      ce07dc9b67f4e91fb0254421599c3344f60732b99c24d39d4f2a5b8e93da56ef

    • SHA512

      cc3c349fdb18bbac96f36cff152c8c4873d10179cc6dab06863ac421ffc9b8d75f67c991522eaea736bc58aef3a7c172811e12f3ae08e4ebe6e32417456e936c

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine Payload

    • Blocklisted process makes network request

    • 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.

    • Checks installed software on the system

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

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

MITRE ATT&CK Enterprise v6

Tasks