Overview

overview

10

Static

static

Contract N...19.exe

windows7_x64

10

Contract N...19.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 20:23

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General

  • Target

    Contract No 12532019.exe

  • Size

    918KB

  • MD5

    bc3612c3da850921b8d6aa49aad594e6

  • SHA1

    233eabf33f2a3e2cf53c68540e5c3f5ddb91b389

  • SHA256

    573b66612f43bd09c655707f60f7a54be3afad50a7de1bd831e26edf3359b069

  • SHA512

    7d17672751422cc5df5d3a5827b6fde153c288b84314e6155973063d3ae23955c23d1de18927f596470c9a3621a8e8b6652663f01dd6360518b424d8b60b3e82

Score
10/10
massloggercollectionspywarestealer

Malware Config

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 1 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract No 12532019.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract No 12532019.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\Contract No 12532019.exe
      "{path}"
      2⤵
        PID:5036
      • C:\Users\Admin\AppData\Local\Temp\Contract No 12532019.exe
        "{path}"
        2⤵
          PID:2480
        • C:\Users\Admin\AppData\Local\Temp\Contract No 12532019.exe
          "{path}"
          2⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4400

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Contract No 12532019.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        Download Submit

      • memory/1108-130-0x0000000000370000-0x000000000045C000-memory.dmp

        Filesize

        944KB

        Download

      • memory/1108-131-0x00000000053E0000-0x0000000005984000-memory.dmp

        Filesize

        5.6MB

        Download

      • memory/1108-132-0x0000000004E30000-0x0000000004EC2000-memory.dmp

        Filesize

        584KB

        Download

      • memory/1108-133-0x0000000004E10000-0x0000000004E1A000-memory.dmp

        Filesize

        40KB

        Download

      • memory/1108-134-0x0000000005060000-0x00000000050FC000-memory.dmp

        Filesize

        624KB

        Download

      • memory/4400-138-0x0000000000400000-0x0000000000486000-memory.dmp

        Filesize

        536KB

        Download

      • memory/4400-140-0x0000000006270000-0x00000000062D6000-memory.dmp

        Filesize

        408KB

        Download

      • memory/4400-141-0x0000000006BD0000-0x0000000006C20000-memory.dmp

        Filesize

        320KB

        Download