Analysis

  • max time kernel
    87s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-06-2022 23:50

General

  • Target

    SecuriteInfo.com.IL.Trojan.MSILZilla.16636.8959.exe

  • Size

    825KB

  • MD5

    8b98184196c9dd4666b78611987806ac

  • SHA1

    389aec94899bbd920acf35422bb856c473c755a5

  • SHA256

    05e3a40f74192a66cd31fc9b80043e0568e55759b24a7e041448b7061daf3b93

  • SHA512

    f64d9e8128f508327ea804b72b7d26bac0b0d4eaebbf53bf14673580ebb014d2c80142aecfb034a0383d04326478f24711c5ce90116219edcf181e612fdcc762

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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.16636.8959.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.16636.8959.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.16636.8959.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.16636.8959.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1752-54-0x00000000011B0000-0x0000000001284000-memory.dmp

    Filesize

    848KB

  • memory/1752-55-0x00000000750C1000-0x00000000750C3000-memory.dmp

    Filesize

    8KB

  • memory/1752-56-0x0000000000890000-0x000000000089A000-memory.dmp

    Filesize

    40KB

  • memory/1752-57-0x0000000007F00000-0x0000000007FB8000-memory.dmp

    Filesize

    736KB

  • memory/1752-58-0x0000000005B00000-0x0000000005B84000-memory.dmp

    Filesize

    528KB

  • memory/2032-59-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-60-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-64-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-63-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-62-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-67-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-69-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2032-71-0x0000000004DE5000-0x0000000004DF6000-memory.dmp

    Filesize

    68KB

  • memory/2032-72-0x0000000004DE5000-0x0000000004DF6000-memory.dmp

    Filesize

    68KB