Analysis

  • max time kernel
    137s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2024, 19:20

General

  • Target

    file.exe

  • Size

    1016KB

  • MD5

    cfd6b4c3cc561d2776ce868f4ba72b69

  • SHA1

    081ab7b00963433a521ee26ec231bcfa3c47f6c8

  • SHA256

    0b0b2ba32fb5312ed77ae6925fbbdc872810de0e3566d5b04dbaace7e2f0dc68

  • SHA512

    cdac60c82ca54213a2a42226653e89ff56fb4dc8f3379423acd4e91a74b67320cb788f8b427e23f871ce63da61bdcde691d17732051c6a4d05753a116bbe03b3

  • SSDEEP

    24576:bLufVqijKZ7Svyl02t8wMBWvKVZLHo5nwe6QrkcJaEi0tg:bCfV9jK0yl026w2roC7CkcQELg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kdt.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Multi12345-!@#

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
        PID:2668
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.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:2092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2092-20-0x0000000006F90000-0x00000000074BC000-memory.dmp

      Filesize

      5.2MB

    • memory/2092-19-0x0000000006710000-0x0000000006760000-memory.dmp

      Filesize

      320KB

    • memory/2092-18-0x0000000006890000-0x0000000006A52000-memory.dmp

      Filesize

      1.8MB

    • memory/2092-17-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2092-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2092-14-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2092-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3312-5-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

      Filesize

      624KB

    • memory/3312-9-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/3312-10-0x0000000002FE0000-0x000000000306C000-memory.dmp

      Filesize

      560KB

    • memory/3312-8-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/3312-7-0x0000000006B10000-0x0000000006B2C000-memory.dmp

      Filesize

      112KB

    • memory/3312-6-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/3312-15-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/3312-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/3312-4-0x0000000005840000-0x000000000584A000-memory.dmp

      Filesize

      40KB

    • memory/3312-3-0x00000000057A0000-0x0000000005832000-memory.dmp

      Filesize

      584KB

    • memory/3312-2-0x0000000005E60000-0x0000000006404000-memory.dmp

      Filesize

      5.6MB

    • memory/3312-1-0x0000000000CB0000-0x0000000000DB4000-memory.dmp

      Filesize

      1.0MB