Overview

overview

10

Static

static

bac3ee4623...67.exe

windows7_x64

10

bac3ee4623...67.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 15:19

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General

  • Target

    bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe

  • Size

    822KB

  • MD5

    2d6e2e5246a199facabc1e85710ffadf

  • SHA1

    6646268d847037b42badf41a631ea60c523731c7

  • SHA256

    bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767

  • SHA512

    fa9f81e77296884e39621a833727eeb413bcfb7972564ef7bdf834bfb3f0cb03c125b086c5c6e4db2e2dda66ce2f26527116bd4a45c9ada5377ebcec51b2dc3a

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 5:50:07 PM MassLogger Started: 5/24/2022 5:49:53 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.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 log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 2 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 18 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
  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe
    "C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ErhKIaN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6457.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4408
    • C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.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:4692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4692-137-0x0000000000400000-0x00000000004A8000-memory.dmp

    Filesize

    672KB

    Download

  • memory/4692-139-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4692-140-0x0000000006D40000-0x0000000006D4A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/4692-141-0x0000000007890000-0x00000000078E0000-memory.dmp

    Filesize

    320KB

    Download

  • memory/4928-131-0x0000000005400000-0x000000000549C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4928-130-0x00000000009D0000-0x0000000000AA4000-memory.dmp

    Filesize

    848KB

    Download

  • memory/4928-132-0x00000000055E0000-0x0000000005672000-memory.dmp

    Filesize

    584KB

    Download

  • memory/4928-133-0x0000000007580000-0x0000000007B24000-memory.dmp

    Filesize

    5.6MB

    Download