Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 07:07

General

  • Target

    94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe

  • Size

    658KB

  • MD5

    bd3d28dfee407e2ceb85dd5dbb68d5a0

  • SHA1

    7234a28523f040f005064d4762e06451c8271a83

  • SHA256

    94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629

  • SHA512

    8c899170aad80ebe77df28dd56b181fca99a411f8a29484b0d9355b4d7a56148c3c95dd063d9efe2f8c7473e17161fd487fe2dbe01a311c08fab38cc89d4815e

  • SSDEEP

    12288:FupeSryi7OXUyLq7dDwwmz/+PHx+sEmnki+utQBSK+BgmiJ+Fx7s:YMwO+dDiz6R+sEmnki+uWBmiox4

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.

  • 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 1 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 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe
    "C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.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:2936
    • 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\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3604
    • C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe
      "C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe"
      2⤵
        PID:3932
      • C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe
        "C:\Users\Admin\AppData\Local\Temp\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.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:2788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\94fcc1efc5c72efd5bdc6e5ecb8ec580680169d4a9185ca4cd10b8a20eba5629N.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xhuqi2mq.0cb.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2788-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2788-35-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-63-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-64-0x00000000064C0000-0x0000000006682000-memory.dmp

      Filesize

      1.8MB

    • memory/2788-65-0x0000000006360000-0x00000000063B0000-memory.dmp

      Filesize

      320KB

    • memory/2788-66-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2788-15-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-10-0x0000000006D90000-0x0000000006E1C000-memory.dmp

      Filesize

      560KB

    • memory/2936-0-0x000000007486E000-0x000000007486F000-memory.dmp

      Filesize

      4KB

    • memory/2936-11-0x0000000009430000-0x00000000094CC000-memory.dmp

      Filesize

      624KB

    • memory/2936-9-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-8-0x000000007486E000-0x000000007486F000-memory.dmp

      Filesize

      4KB

    • memory/2936-7-0x0000000005590000-0x00000000055A0000-memory.dmp

      Filesize

      64KB

    • memory/2936-16-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-6-0x0000000006980000-0x0000000006A22000-memory.dmp

      Filesize

      648KB

    • memory/2936-5-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2936-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

      Filesize

      40KB

    • memory/2936-3-0x0000000005300000-0x0000000005392000-memory.dmp

      Filesize

      584KB

    • memory/2936-2-0x0000000005960000-0x0000000005F04000-memory.dmp

      Filesize

      5.6MB

    • memory/2936-1-0x0000000000870000-0x000000000091A000-memory.dmp

      Filesize

      680KB

    • memory/3604-22-0x00000000052E0000-0x0000000005346000-memory.dmp

      Filesize

      408KB

    • memory/3604-53-0x00000000076A0000-0x00000000076AA000-memory.dmp

      Filesize

      40KB

    • memory/3604-24-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-34-0x0000000005CE0000-0x0000000006034000-memory.dmp

      Filesize

      3.3MB

    • memory/3604-23-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/3604-36-0x0000000006300000-0x000000000631E000-memory.dmp

      Filesize

      120KB

    • memory/3604-37-0x0000000006860000-0x00000000068AC000-memory.dmp

      Filesize

      304KB

    • memory/3604-38-0x00000000068C0000-0x00000000068F2000-memory.dmp

      Filesize

      200KB

    • memory/3604-39-0x0000000070290000-0x00000000702DC000-memory.dmp

      Filesize

      304KB

    • memory/3604-49-0x0000000006920000-0x000000000693E000-memory.dmp

      Filesize

      120KB

    • memory/3604-50-0x00000000075D0000-0x0000000007673000-memory.dmp

      Filesize

      652KB

    • memory/3604-51-0x0000000007D00000-0x000000000837A000-memory.dmp

      Filesize

      6.5MB

    • memory/3604-52-0x00000000069C0000-0x00000000069DA000-memory.dmp

      Filesize

      104KB

    • memory/3604-21-0x0000000005240000-0x0000000005262000-memory.dmp

      Filesize

      136KB

    • memory/3604-54-0x00000000078B0000-0x0000000007946000-memory.dmp

      Filesize

      600KB

    • memory/3604-55-0x0000000007830000-0x0000000007841000-memory.dmp

      Filesize

      68KB

    • memory/3604-56-0x0000000007860000-0x000000000786E000-memory.dmp

      Filesize

      56KB

    • memory/3604-57-0x0000000007870000-0x0000000007884000-memory.dmp

      Filesize

      80KB

    • memory/3604-58-0x0000000007970000-0x000000000798A000-memory.dmp

      Filesize

      104KB

    • memory/3604-59-0x0000000007950000-0x0000000007958000-memory.dmp

      Filesize

      32KB

    • memory/3604-62-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-20-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-19-0x0000000005570000-0x0000000005B98000-memory.dmp

      Filesize

      6.2MB

    • memory/3604-18-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/3604-17-0x0000000002A40000-0x0000000002A76000-memory.dmp

      Filesize

      216KB