Overview

overview

10

Static

static

7f4a34180e...ed.exe

windows7_x64

10

7f4a34180e...ed.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    69s
  • max time network
    78s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:40

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General

  • Target

    7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.exe

  • Size

    1.6MB

  • MD5

    e66f7b4d7d01f73c7cca671cc1df4319

  • SHA1

    ed95e3394ef41a1f98765d7f51048496f1cd4f16

  • SHA256

    7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed

  • SHA512

    127fc99b5d023c27605858a6fb8c811c0c29fded574090e5318276215c8ad002f04d4d14348d7a6b33598ed0368dd8fdc62c99659a33a6bb9de3aacc1b1c3d90

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\7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.exe
    "C:\Users\Admin\AppData\Local\Temp\7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Users\Admin\AppData\Local\Temp\7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.exe
      "C:\Users\Admin\AppData\Local\Temp\7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.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:3560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7f4a34180ed87dd725c1aa7c5b4c00ddfb3dd34af511f336995e1ff70adb50ed.exe.log
    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    Download Submit

  • memory/3560-131-0x0000000000000000-mapping.dmp

    Download

  • memory/3560-132-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

    Download

  • memory/3560-134-0x0000000005760000-0x00000000057F2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3560-135-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/3560-136-0x00000000069C0000-0x0000000006A26000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3560-137-0x0000000005203000-0x0000000005205000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3560-138-0x0000000007190000-0x00000000071E0000-memory.dmp

    Filesize

    320KB

    Download

  • memory/3560-139-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3560-140-0x0000000007280000-0x000000000731C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4680-130-0x0000000000E10000-0x0000000000FB6000-memory.dmp

    Filesize

    1.6MB

    Download