General

  • Target

    monster.exe.zip

  • Size

    10.7MB

  • Sample

    241028-yalkbawapp

  • MD5

    2be834818726e557d8bb9954329db127

  • SHA1

    fd79843a938e9a1fe9b5aded938d2d06ff0cadab

  • SHA256

    7507e3bb19c671257603fa38f1460c1614b839477e280ef079966cb3fbd93956

  • SHA512

    cbbd03bf7175c9e39e46597d60c8fbfba8d7fb5ab429fa0039ff2c9f41b8c1a9d0bde6a69b914c9d833a9922dc084ebf91023e09f9f54031cc594766f8b12e69

  • SSDEEP

    196608:t3Qiyquc4X2niwqIqxEN5ABRFdSrXIfBswwIavWH9Q7aTWJKg5G4Of6x:t3QNbcIyfeo5c2rXI+xvtOTWEgZB

Malware Config

Targets

    • Target

      monster.exe.bin

    • Size

      10.7MB

    • MD5

      3f4f5c57433724a32b7498b6a2c91bf0

    • SHA1

      04757ff666e1afa31679dd6bed4ed3af671332a3

    • SHA256

      0608a7559f895fab33ae65bbfbdc5bebd21eea984f76e1b5571c80906824d665

    • SHA512

      cf572ca616b4f4e6e472e33e8d6d90b85d5885fa64d8bca4507450d66d65057efa771f58c31ea13f394fd0e7b0ff2fcaa9d54c61f28b27b98a79c27bc964f935

    • SSDEEP

      196608:mRu4YAJSAfoaqA6U+L5LsSmyYbH6t08RMQcCqcGUIRBw0xvH77Y:2u4YAJSAfoaZ0sSmpH6W8R/RVIc2vH7

    • Detects Monster Stealer.

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

    • Monster family

    • Grants admin privileges

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

    • Modifies Windows Firewall

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks