Overview

overview

10

Static

static

Request fo...er.exe

windows7_x64

10

Request fo...er.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    103s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:34

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General

  • Target

    Request for new order.exe

  • Size

    875KB

  • MD5

    f6e60d4e007049b18de4fb87c38927c3

  • SHA1

    bba2fcd204840b1235dea163bbfeae3a59e3b763

  • SHA256

    495fdf3a95e1f56f9ec94bfdcdafe87a41be371947f24853c18cc98b24a6a281

  • SHA512

    a46e7a014a3dd577a5e9d7976845185c1f45c6c321bf8cd3c364576afbdccbe0fca7b0057f63e13416c81a60a0e63bce9c2e4ce5b26801cb179a4e6a6c62b5c3

Score
10/10
massloggercollectionevasionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:13:37 PM MassLogger Started: 5/21/2022 3:13:26 PM Interval: 9 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Request for new order.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Modifies visibility of file extensions in Explorer 2 TTPs
    evasion
  • 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 15 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for new order.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for new order.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IeeOQoeWj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE310.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE310.tmp
    Filesize

    1KB

    MD5

    7c0f227bc3ffae8594afb2f1f5c93996

    SHA1

    fc9765dbba4c971074e91ec802572a2068765b68

    SHA256

    dbc22d9abdd8ff67f0d1ba8f70e17aed335251af65eceb400cff8300d424b413

    SHA512

    e98c78df1b989239ab805734464cf30bddcefcb838bf214f29bec5352ff27adefa184d09a63b98baeafc073d0335515ac3194d78e92a44407ece7e26de15fa7e

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  • memory/2024-54-0x0000000000090000-0x0000000000172000-memory.dmp

    Filesize

    904KB

    Download

  • memory/2024-55-0x00000000005C0000-0x00000000005C8000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2024-56-0x0000000005810000-0x00000000058C0000-memory.dmp

    Filesize

    704KB

    Download

  • memory/2024-59-0x00000000059C0000-0x0000000005A68000-memory.dmp

    Filesize

    672KB

    Download

  • memory/2024-60-0x0000000002280000-0x00000000022C4000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2024-61-0x0000000004895000-0x00000000048A6000-memory.dmp

    Filesize

    68KB

    Download