General

  • Target

    73024f57c82ae2f31b7abe0f1772c5108cf907b31abddbf3a08bb5d89a8c0e46

  • Size

    218KB

  • Sample

    211210-cez3lsgdbq

  • MD5

    325d1e43a54872c78da83c3cd2d4cabc

  • SHA1

    c709e2981dd141f788fbcc5124a9c1c13510c88c

  • SHA256

    73024f57c82ae2f31b7abe0f1772c5108cf907b31abddbf3a08bb5d89a8c0e46

  • SHA512

    e6bf13ea244401d506522406749d0e04478886eb4e314343e11ad2c3b727dcbf910922b9038af801400304682fedf04afa183e4c6605ebf296da26d8643d90c2

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38627

Targets

    • Target

      73024f57c82ae2f31b7abe0f1772c5108cf907b31abddbf3a08bb5d89a8c0e46

    • Size

      218KB

    • MD5

      325d1e43a54872c78da83c3cd2d4cabc

    • SHA1

      c709e2981dd141f788fbcc5124a9c1c13510c88c

    • SHA256

      73024f57c82ae2f31b7abe0f1772c5108cf907b31abddbf3a08bb5d89a8c0e46

    • SHA512

      e6bf13ea244401d506522406749d0e04478886eb4e314343e11ad2c3b727dcbf910922b9038af801400304682fedf04afa183e4c6605ebf296da26d8643d90c2

    • 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.

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

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

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

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Deletes itself

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Tasks