Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 15:51

General

  • Target

    5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.exe

  • Size

    722KB

  • MD5

    0a6af5fc9b4f06a37f970ef98f5fb41f

  • SHA1

    9152f3c16cee86962d1bbe995358a2ed587c5694

  • SHA256

    5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774

  • SHA512

    81820e7d113e8b1b3b1dc89ad6e4c866b0d9ab4c679795c10a1799f8faf690ba57a58cb0ebc1e8e5b6e52010bd06a254d11048d5a45e5bfe185b93ef3962bc34

  • SSDEEP

    12288:13QbEeX/zYMPP81R0Guk98hFN4zGWNvhlZhBj++STHjzRSoYIXb9iNWbkLx:130//PPP6uGukEFN4pJRkwovX24ex

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.exe
    "C:\Users\Admin\AppData\Local\Temp\5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.exe
      "C:\Users\Admin\AppData\Local\Temp\5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.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:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5c5722b380bf669c5d2fda7000c77a46513f5d107bc3e2f2508321df17313774.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2536-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2536-19-0x0000000006990000-0x00000000069E0000-memory.dmp

    Filesize

    320KB

  • memory/2536-18-0x0000000006AF0000-0x0000000006CB2000-memory.dmp

    Filesize

    1.8MB

  • memory/2536-17-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-16-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2536-14-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-4-0x0000000005420000-0x000000000542A000-memory.dmp

    Filesize

    40KB

  • memory/4700-8-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/4700-9-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-10-0x0000000002C70000-0x0000000002CFC000-memory.dmp

    Filesize

    560KB

  • memory/4700-7-0x00000000059D0000-0x00000000059EC000-memory.dmp

    Filesize

    112KB

  • memory/4700-6-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-15-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/4700-5-0x00000000056A0000-0x000000000573C000-memory.dmp

    Filesize

    624KB

  • memory/4700-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/4700-3-0x0000000005440000-0x00000000054D2000-memory.dmp

    Filesize

    584KB

  • memory/4700-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

    Filesize

    5.6MB

  • memory/4700-1-0x0000000000970000-0x0000000000A2A000-memory.dmp

    Filesize

    744KB