Analysis

  • max time kernel
    4294180s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    20-03-2022 06:11

General

  • Target

    be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe

  • Size

    2.3MB

  • MD5

    33457a5418912781388994b3d6380669

  • SHA1

    afb62f3fa4d7a5f08066e16160b567842e9321f3

  • SHA256

    be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702

  • SHA512

    172b1f756c23d9455935f5f1a4e6f060b85485fae6f89a83a077106a5769dc4dbc69c98a119d5e5f9c40c8532dcfda2cafdb70599019bcf1d413d41e853c0844

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 22 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe
    "C:\Users\Admin\AppData\Local\Temp\be998bee0c372d6f3b93b35ffc71b31f7f708d72ec4999a663162de9d1e23702.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Public\Downloads\images.exe
      "C:\Users\Public\Downloads\images.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 588 -s 1860
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \??\c:\users\public\downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • \Users\Public\Downloads\images.exe

    MD5

    3f7049b2c628eac94f17629f3e7d5830

    SHA1

    61ad825e39e19472d06a3080367a858e18187d05

    SHA256

    af6007d4070af7905884ce20a46aaf674edf8e983912ced713575fdd867d6ab7

    SHA512

    6a1f40a580edc535fdf3a0e0ebe32e18b532d316258a709e59ba7fca96699de58fb42ee20e1098df9f832829bc30acb09f1c8ee6c44231dad3892b2d961644ff

  • memory/588-67-0x0000000002B40000-0x0000000002B4E000-memory.dmp

    Filesize

    56KB

  • memory/588-68-0x0000000003405000-0x0000000003416000-memory.dmp

    Filesize

    68KB

  • memory/588-69-0x0000000003416000-0x0000000003417000-memory.dmp

    Filesize

    4KB

  • memory/588-70-0x0000000003417000-0x0000000003418000-memory.dmp

    Filesize

    4KB

  • memory/588-71-0x0000000003418000-0x0000000003419000-memory.dmp

    Filesize

    4KB

  • memory/588-72-0x0000000003020000-0x000000000303E000-memory.dmp

    Filesize

    120KB

  • memory/588-73-0x0000000006E10000-0x0000000006EA0000-memory.dmp

    Filesize

    576KB

  • memory/588-66-0x0000000001330000-0x0000000001344000-memory.dmp

    Filesize

    80KB

  • memory/588-65-0x0000000003400000-0x0000000003401000-memory.dmp

    Filesize

    4KB

  • memory/588-64-0x0000000002EC0000-0x0000000002F04000-memory.dmp

    Filesize

    272KB

  • memory/588-63-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/588-62-0x0000000001340000-0x0000000001736000-memory.dmp

    Filesize

    4.0MB

  • memory/2012-54-0x0000000075D31000-0x0000000075D33000-memory.dmp

    Filesize

    8KB