Analysis

  • max time kernel
    4294212s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    14-04-2022 13:34

General

  • Target

    72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe

  • Size

    1.7MB

  • MD5

    9520964aa4f84e6e16f1df161ce79479

  • SHA1

    eb054288a6f5dbbfcdb2038030bb38eb11d3dda9

  • SHA256

    72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55

  • SHA512

    9bf36414a94daa5943d73988ac20495315ba8ec525a99816e417ef0b6ea023d7b7413632c5bf1e3a3623c792524454ce0b523f414f15fd52df5328706689b9d2

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe
    "C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe
      "C:\Users\Admin\AppData\Local\Temp\72ccb540011728672247c24952d02002c665c65106a468f1312088f9082aab55.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1080-54-0x0000000000DF0000-0x0000000000FB4000-memory.dmp

    Filesize

    1.8MB

  • memory/1080-55-0x0000000004DB0000-0x0000000004E48000-memory.dmp

    Filesize

    608KB

  • memory/1080-56-0x0000000000390000-0x00000000003AC000-memory.dmp

    Filesize

    112KB

  • memory/1744-57-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-58-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-60-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-65-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1744-67-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB