General

  • Target

    2DBF583E20A1714EBB7AAF9B61CD4E11.exe

  • Size

    4.0MB

  • Sample

    210618-xsqlyt1vja

  • MD5

    2dbf583e20a1714ebb7aaf9b61cd4e11

  • SHA1

    bb38de8320bfe3aa7dabe6946b9c039184a05bb2

  • SHA256

    d4fb12766874defc4d6a9dda8cd8aa956fdac4352d874c04f9828743247510df

  • SHA512

    1e59dbbe24a5bac9ecd24840602adcc4ac891d00aa73f825add5e79ce75e1ecfeb869d805c7098b452e9c6a9ef070324331a94db08a551cf71357c9adef29f80

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

18_6_bl_84s7

C2

qitoshalan.xyz:80

Targets

    • Target

      2DBF583E20A1714EBB7AAF9B61CD4E11.exe

    • Size

      4.0MB

    • MD5

      2dbf583e20a1714ebb7aaf9b61cd4e11

    • SHA1

      bb38de8320bfe3aa7dabe6946b9c039184a05bb2

    • SHA256

      d4fb12766874defc4d6a9dda8cd8aa956fdac4352d874c04f9828743247510df

    • SHA512

      1e59dbbe24a5bac9ecd24840602adcc4ac891d00aa73f825add5e79ce75e1ecfeb869d805c7098b452e9c6a9ef070324331a94db08a551cf71357c9adef29f80

    • PlugX

      PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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

    • autoit_exe

      AutoIT scripts compiled to PE executables.

MITRE ATT&CK Enterprise v6

Tasks