Overview

overview

10

Static

static

f686a32c5f...76.exe

windows7_x64

10

f686a32c5f...76.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    166s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    14-04-2022 13:39

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General

  • Target

    f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe

  • Size

    2.9MB

  • MD5

    33be8841856988a55ad5331a3ddf9dc8

  • SHA1

    f79a5f241fe69428d8a995001ada2b596cf0b83a

  • SHA256

    f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676

  • SHA512

    7c4903c25047758727e303b8e83bad1b25513c0b8887dd495b0da6459e3a634a4a853af3b8dbbe5d6582da7afa93bb0260f232940487d6fd6b44df8e7366f675

Score
10/10
massloggercollectionpersistencespywarestealer

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe
    "C:\Users\Admin\AppData\Local\Temp\f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe
      "C:\Users\Admin\AppData\Local\Temp\f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe"
      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:4240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f686a32c5f8df00ab901b232cd288b3bb79e24f48da4c454859061aeff1a9676.exe.log
    Filesize

    1KB

    MD5

    7ebe314bf617dc3e48b995a6c352740c

    SHA1

    538f643b7b30f9231a3035c448607f767527a870

    SHA256

    48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

    SHA512

    0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

    Download Submit

  • memory/1124-124-0x00000000002E0000-0x00000000005D6000-memory.dmp

    Filesize

    3.0MB

    Download

  • memory/1124-125-0x0000000005340000-0x00000000058E4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/1124-126-0x0000000004E40000-0x0000000004ED2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/1124-127-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/4240-128-0x0000000000000000-mapping.dmp

    Download

  • memory/4240-129-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/4240-131-0x00000000065E0000-0x0000000006646000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4240-132-0x0000000006E30000-0x0000000006E80000-memory.dmp

    Filesize

    320KB

    Download

  • memory/4240-133-0x0000000007070000-0x000000000710C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4240-134-0x0000000005233000-0x0000000005235000-memory.dmp

    Filesize

    8KB

    Download