Analysis

  • max time kernel
    134s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 08:15

General

  • Target

    5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.exe

  • Size

    901KB

  • MD5

    99968c7fe293d657f6221cbbe8292cb8

  • SHA1

    f9c2599580817522d10d032f916db99bcc4450a2

  • SHA256

    5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318

  • SHA512

    1c281e02e68ee11254bc2d1302048a782c742c4033e0e81d44ead3da96673d48c6eb4f09605c27f037eff6544d4a64dd18fc5be9dbfbc33dbe513acf377d539f

  • SSDEEP

    24576:qq0qNmNe4+90KRYAbC15kDexcgPT+/9cxbr:qqbmA4+qKaiwPc2a/Qr

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
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.exe
    "C:\Users\Admin\AppData\Local\Temp\5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.exe
      "C:\Users\Admin\AppData\Local\Temp\5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.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:5040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5f87ddc2603dd15acf16958efa6dd40b484fc483f4a496714fab4adfd1ad1318.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/536-4-0x0000000004F60000-0x0000000004F6A000-memory.dmp

    Filesize

    40KB

  • memory/536-3-0x0000000004F80000-0x0000000005012000-memory.dmp

    Filesize

    584KB

  • memory/536-10-0x0000000002800000-0x000000000288C000-memory.dmp

    Filesize

    560KB

  • memory/536-9-0x00000000054B0000-0x00000000054CC000-memory.dmp

    Filesize

    112KB

  • memory/536-5-0x0000000005270000-0x000000000530C000-memory.dmp

    Filesize

    624KB

  • memory/536-6-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/536-7-0x000000007539E000-0x000000007539F000-memory.dmp

    Filesize

    4KB

  • memory/536-8-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/536-15-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/536-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

    Filesize

    5.6MB

  • memory/536-0-0x000000007539E000-0x000000007539F000-memory.dmp

    Filesize

    4KB

  • memory/536-1-0x0000000000490000-0x0000000000576000-memory.dmp

    Filesize

    920KB

  • memory/5040-14-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/5040-19-0x0000000006EF0000-0x0000000006F40000-memory.dmp

    Filesize

    320KB

  • memory/5040-16-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/5040-17-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/5040-18-0x0000000007070000-0x0000000007232000-memory.dmp

    Filesize

    1.8MB

  • memory/5040-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB