General

  • Target

    3da88076ffc753bc3ddd5238365b3140f3db65b45f9ef363beaa5e9111c15f96

  • Size

    1.1MB

  • Sample

    240728-h5cynavcmr

  • MD5

    57feeab5dd99b695874f72410e3fd3f5

  • SHA1

    acb74312dc7880873e6828fb74e02c1797021dd6

  • SHA256

    3da88076ffc753bc3ddd5238365b3140f3db65b45f9ef363beaa5e9111c15f96

  • SHA512

    bef427431a0a345123e87360887b8d564309d732c251a345f0d1a221234f239b057f09b2205ef19cc4914e72b509d336b6e2df3f1bd43e73a008cc5af4314ab8

  • SSDEEP

    24576:mjvslQRrENaTPRCChDwYd4oyxqY+xQziQn/Qqsuf+lN:csl8rEkRC8ZyqYrHGlN

Malware Config

Extracted

Family

redline

Botnet

cetry

C2

204.14.75.2:16383

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Targets

    • Target

      7adc48b32358c405fdb502f2b868288b3757940b2b54e0b6787b1a7a242b3579.exe

    • Size

      1.2MB

    • MD5

      57b81f3bfbd7e82065190ea6a2f59849

    • SHA1

      2af119b418045b812b3b05f3d5385b11bfa89e91

    • SHA256

      7adc48b32358c405fdb502f2b868288b3757940b2b54e0b6787b1a7a242b3579

    • SHA512

      345ddaa582bce12408cc2468a0f291c81578bf4f8bc4b5544c23b4a1c81fa5eef523bac425f0131237cce94ea04feb39f24226dae0933663473f6b230475d314

    • SSDEEP

      24576:FY14/4rJAmk0U5hQ/Js4KvodVuI14/4r4zSHRm4Fc9R/p7ga1y8VP28ZSB6Q:FYaglZk5y/J3KvmVjagTQpmvyC

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks