General

  • Target

    E7A5D0D6F8FB4A360F9044EEC5BBD8A2.exe

  • Size

    3.2MB

  • Sample

    210610-na5tznf2xs

  • MD5

    e7a5d0d6f8fb4a360f9044eec5bbd8a2

  • SHA1

    8fb211a6ff6ec0421230e41a757122ad9d121602

  • SHA256

    7b3d5985d238ea05b76ff24b955e265f6690468672c2319d5282f7b849ad9bd1

  • SHA512

    36f29220476e0b59fa8845327ba7c7aefb22f8f25a0cacfd442ed66c5bdafb9a6f44583b493a80125e4eaeb31a2a73e75a96bcee46817685c327577c2f260fe3

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

metasploit

Version

windows/single_exec

Extracted

Family

cryptbot

C2

olmqmc32.top

morovz03.top

Attributes
  • payload_url

    http://vamzcd04.top/download.php?file=lv.exe

Targets

    • Target

      E7A5D0D6F8FB4A360F9044EEC5BBD8A2.exe

    • Size

      3.2MB

    • MD5

      e7a5d0d6f8fb4a360f9044eec5bbd8a2

    • SHA1

      8fb211a6ff6ec0421230e41a757122ad9d121602

    • SHA256

      7b3d5985d238ea05b76ff24b955e265f6690468672c2319d5282f7b849ad9bd1

    • SHA512

      36f29220476e0b59fa8845327ba7c7aefb22f8f25a0cacfd442ed66c5bdafb9a6f44583b493a80125e4eaeb31a2a73e75a96bcee46817685c327577c2f260fe3

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot Payload

    • ElysiumStealer

      ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks