Analysis

  • max time kernel
    152s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 13:46

General

  • Target

    INVOICE09090.exe

  • Size

    2.0MB

  • MD5

    014c0a6998bc074852e5a1cb8262e7a2

  • SHA1

    bdc027bbb2bff2c8c1effbd2305154e6ec232eae

  • SHA256

    2c7989e0df0c62a6c561a72a5605bfd55d4006b84878b05dd50d22ce16776d7a

  • SHA512

    ac869275bf85429fe56f496866f27a25520c986790ac9d978ea5aa1f2dc81d365db9c9abc8961efce3fc326b70b3e3984900c2e4464171875ea9bba48310e3d5

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/20/2022 4:40:05 PM MassLogger Started: 5/20/2022 4:39:50 PM Interval: 1 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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.

  • MassLogger Main Payload 60 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
  • 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: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE09090.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE09090.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4224

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4224-131-0x0000000000000000-mapping.dmp
  • memory/4224-132-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-138-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-139-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-140-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-137-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-142-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-144-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-145-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-146-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-147-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-148-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-150-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-149-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-152-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-151-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-154-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-153-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-156-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-155-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-157-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-158-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-159-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-160-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-161-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-162-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-163-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-164-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-166-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-165-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-167-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-168-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-169-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-170-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-172-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-173-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-171-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-174-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-175-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-176-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-178-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-179-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-177-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-181-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-182-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-183-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-180-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-184-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-185-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-187-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-188-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-189-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-190-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-191-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-192-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-193-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-194-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-195-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-196-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-197-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-186-0x0000000000400000-0x00000000004B0000-memory.dmp
    Filesize

    704KB

  • memory/4224-393-0x00000000056A0000-0x0000000005C44000-memory.dmp
    Filesize

    5.6MB

  • memory/4224-394-0x0000000004F20000-0x0000000004FBC000-memory.dmp
    Filesize

    624KB

  • memory/4224-395-0x00000000053F0000-0x0000000005456000-memory.dmp
    Filesize

    408KB

  • memory/4224-396-0x0000000005460000-0x00000000054F2000-memory.dmp
    Filesize

    584KB

  • memory/4224-397-0x0000000006810000-0x000000000681A000-memory.dmp
    Filesize

    40KB

  • memory/4224-398-0x0000000006890000-0x00000000068E0000-memory.dmp
    Filesize

    320KB

  • memory/4508-143-0x00000000051A0000-0x00000000052F5000-memory.dmp
    Filesize

    1.3MB

  • memory/4508-141-0x0000000004C10000-0x0000000004D65000-memory.dmp
    Filesize

    1.3MB