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Resubmissions

24/07/2023, 06:32

230724-haylwaag65 10

16/07/2023, 18:15

230716-wwbacshb7z 10

Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2023, 06:32

General

  • Target

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03.exe

  • Size

    845KB

  • MD5

    effea511a4db1847bf104df4470e5b06

  • SHA1

    ce111a8c18d2dbc8fb9c80db1d737f3610b1aa5c

  • SHA256

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03

  • SHA512

    a61aa12cf938033c63816c7102e29fb2a74e516bd845a423205ef650e1beeeaae04fcf40a8d9057b11518fc1bf486d9522919ac646d3a3bd8ab7eba552c955b8

  • SSDEEP

    24576:mSGE0FpCqi/Uv7XtIONwzLduiE1RP0G886D:mSCwZ87XtRytEytD

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03.exe
    "C:\Users\Admin\AppData\Local\Temp\235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe
        "C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4068
        • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe
          "C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe" 2 4068 240645984
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:4040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe

    Filesize

    845KB

    MD5

    effea511a4db1847bf104df4470e5b06

    SHA1

    ce111a8c18d2dbc8fb9c80db1d737f3610b1aa5c

    SHA256

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03

    SHA512

    a61aa12cf938033c63816c7102e29fb2a74e516bd845a423205ef650e1beeeaae04fcf40a8d9057b11518fc1bf486d9522919ac646d3a3bd8ab7eba552c955b8

  • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe

    Filesize

    845KB

    MD5

    effea511a4db1847bf104df4470e5b06

    SHA1

    ce111a8c18d2dbc8fb9c80db1d737f3610b1aa5c

    SHA256

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03

    SHA512

    a61aa12cf938033c63816c7102e29fb2a74e516bd845a423205ef650e1beeeaae04fcf40a8d9057b11518fc1bf486d9522919ac646d3a3bd8ab7eba552c955b8

  • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe

    Filesize

    845KB

    MD5

    effea511a4db1847bf104df4470e5b06

    SHA1

    ce111a8c18d2dbc8fb9c80db1d737f3610b1aa5c

    SHA256

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03

    SHA512

    a61aa12cf938033c63816c7102e29fb2a74e516bd845a423205ef650e1beeeaae04fcf40a8d9057b11518fc1bf486d9522919ac646d3a3bd8ab7eba552c955b8

  • C:\Users\Admin\AppData\Roaming\appdata\jsdhdh.exe

    Filesize

    845KB

    MD5

    effea511a4db1847bf104df4470e5b06

    SHA1

    ce111a8c18d2dbc8fb9c80db1d737f3610b1aa5c

    SHA256

    235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03

    SHA512

    a61aa12cf938033c63816c7102e29fb2a74e516bd845a423205ef650e1beeeaae04fcf40a8d9057b11518fc1bf486d9522919ac646d3a3bd8ab7eba552c955b8

  • memory/548-145-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/548-144-0x0000000002230000-0x0000000002231000-memory.dmp

    Filesize

    4KB

  • memory/548-149-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/1352-137-0x0000000000E50000-0x0000000000E51000-memory.dmp

    Filesize

    4KB

  • memory/4040-157-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/4040-159-0x00000000007A0000-0x00000000007A1000-memory.dmp

    Filesize

    4KB

  • memory/4040-160-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/4068-186-0x0000000004B70000-0x0000000004C0C000-memory.dmp

    Filesize

    624KB

  • memory/4068-192-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-155-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4068-158-0x0000000000B50000-0x0000000000BEA000-memory.dmp

    Filesize

    616KB

  • memory/4068-154-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4068-151-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4068-164-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-167-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-170-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-169-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-172-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-174-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-176-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-178-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-179-0x0000000077082000-0x0000000077083000-memory.dmp

    Filesize

    4KB

  • memory/4068-180-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-181-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-182-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-183-0x0000000073EC0000-0x0000000074670000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-184-0x0000000004C50000-0x00000000051F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4068-185-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/4068-146-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4068-187-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-188-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-189-0x0000000077082000-0x0000000077083000-memory.dmp

    Filesize

    4KB

  • memory/4068-190-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4068-191-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/4068-156-0x0000000000B50000-0x0000000000BEA000-memory.dmp

    Filesize

    616KB

  • memory/4068-193-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-194-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-195-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-197-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-196-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-198-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-199-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-200-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-201-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-202-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-203-0x0000000005660000-0x00000000056F2000-memory.dmp

    Filesize

    584KB

  • memory/4068-206-0x0000000000C80000-0x0000000000C90000-memory.dmp

    Filesize

    64KB

  • memory/4068-207-0x0000000073EC0000-0x0000000074670000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-208-0x00000000746D0000-0x00000000746E2000-memory.dmp

    Filesize

    72KB

  • memory/4068-209-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-210-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-211-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-212-0x0000000076F10000-0x0000000077000000-memory.dmp

    Filesize

    960KB

  • memory/4068-213-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/4068-214-0x0000000006B80000-0x0000000006B8A000-memory.dmp

    Filesize

    40KB

  • memory/4068-216-0x0000000007A00000-0x0000000007A50000-memory.dmp

    Filesize

    320KB

  • memory/4068-229-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/4676-133-0x0000000002270000-0x0000000002271000-memory.dmp

    Filesize

    4KB

  • memory/4676-134-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/4676-135-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB