Analysis

  • max time kernel
    127s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 16:44

General

  • Target

    e-dekont_html.exe

  • Size

    751KB

  • MD5

    f7ff8dfb747288afcf93d2fb684bda69

  • SHA1

    10b18972da7d8972712f98483fbe99139b3cb0cd

  • SHA256

    15129e8c98976b6364fcf04b6767140dfec8152a5c7b3554178ac9f75f0e6c8c

  • SHA512

    231f8c7b52d0d059ecaaad88b2b77cefbba5edde3284ea0b9ac3d63a7406660af017409f218d67397c6eff4faf784e82cffc4b9020ca1303f005b347016882c3

  • SSDEEP

    12288:BdjJYyOn6nzxl1cbs2KWG2hY6uIJXpABu+vuemkeJQGLBdXwwupjIcDx:JY9n6nvEstOhY7IJXqRXU7tdXz

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe
    "C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3088
    • C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe
      "C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e-dekont_html.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yozqnewh.fj3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1104-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1104-65-0x0000000006290000-0x00000000062E0000-memory.dmp

    Filesize

    320KB

  • memory/1104-64-0x00000000063F0000-0x00000000065B2000-memory.dmp

    Filesize

    1.8MB

  • memory/1104-63-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1104-62-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1104-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1104-15-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-19-0x0000000005880000-0x00000000058A2000-memory.dmp

    Filesize

    136KB

  • memory/3088-48-0x0000000006EC0000-0x0000000006EDE000-memory.dmp

    Filesize

    120KB

  • memory/3088-61-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-58-0x0000000007F10000-0x0000000007F18000-memory.dmp

    Filesize

    32KB

  • memory/3088-57-0x0000000007F30000-0x0000000007F4A000-memory.dmp

    Filesize

    104KB

  • memory/3088-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-20-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/3088-22-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-56-0x0000000007E30000-0x0000000007E44000-memory.dmp

    Filesize

    80KB

  • memory/3088-30-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3088-24-0x0000000006290000-0x00000000065E4000-memory.dmp

    Filesize

    3.3MB

  • memory/3088-55-0x0000000007E20000-0x0000000007E2E000-memory.dmp

    Filesize

    56KB

  • memory/3088-21-0x0000000006220000-0x0000000006286000-memory.dmp

    Filesize

    408KB

  • memory/3088-54-0x0000000007DF0000-0x0000000007E01000-memory.dmp

    Filesize

    68KB

  • memory/3088-17-0x0000000005920000-0x0000000005F48000-memory.dmp

    Filesize

    6.2MB

  • memory/3088-35-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/3088-36-0x0000000006E70000-0x0000000006EBC000-memory.dmp

    Filesize

    304KB

  • memory/3088-16-0x0000000002F40000-0x0000000002F76000-memory.dmp

    Filesize

    216KB

  • memory/3088-53-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/3088-37-0x0000000007AA0000-0x0000000007AD2000-memory.dmp

    Filesize

    200KB

  • memory/3088-49-0x0000000007AE0000-0x0000000007B83000-memory.dmp

    Filesize

    652KB

  • memory/3088-38-0x0000000070910000-0x000000007095C000-memory.dmp

    Filesize

    304KB

  • memory/3088-51-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

    Filesize

    104KB

  • memory/3088-52-0x0000000007C60000-0x0000000007C6A000-memory.dmp

    Filesize

    40KB

  • memory/3088-50-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/5048-10-0x00000000071B0000-0x000000000724C000-memory.dmp

    Filesize

    624KB

  • memory/5048-14-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/5048-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-6-0x00000000068A0000-0x00000000068B8000-memory.dmp

    Filesize

    96KB

  • memory/5048-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/5048-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-9-0x0000000006A20000-0x0000000006AAE000-memory.dmp

    Filesize

    568KB

  • memory/5048-4-0x0000000005640000-0x000000000564A000-memory.dmp

    Filesize

    40KB

  • memory/5048-3-0x0000000005470000-0x0000000005502000-memory.dmp

    Filesize

    584KB

  • memory/5048-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

    Filesize

    5.6MB

  • memory/5048-1-0x0000000000AF0000-0x0000000000BB0000-memory.dmp

    Filesize

    768KB