Analysis

  • max time kernel
    100s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 02:11

General

  • Target

    a42a0e33a7afc63d95646d92bda54590N.exe

  • Size

    734KB

  • MD5

    a42a0e33a7afc63d95646d92bda54590

  • SHA1

    a9b1f89274a0ba2a108ab0c65c9590d394f9c621

  • SHA256

    cb3bfc9012fd57837e1502dcc56619ad658c1e0b2328cf172f73ab00261bc8b5

  • SHA512

    0b2b8214f18478ca5b8885203911c6a6ece88b7527b5d564d4121c5f1adfddeb07c2a3e55c88578cac872eaf9c5774b75c59b55fd88237c2fcbb4bcc3f587bfd

  • SSDEEP

    12288:vWvuoL3rlW4fx1wjCrVoWIoYuCzQnIn+98DfSx6DZH/dJQLsU+9eLFDvcFUSWh0w:mlvH4EeT9zQnI7eYN1JQAwLFDveUD0Mc

Malware Config

Extracted

Family

vipkeylogger

Signatures

  • VIPKeylogger

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 10 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\a42a0e33a7afc63d95646d92bda54590N.exe
    "C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe
      "C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"
      2⤵
        PID:1968
      • C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe
        "C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.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:4844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a42a0e33a7afc63d95646d92bda54590N.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2296-10-0x0000000006B80000-0x0000000006B8C000-memory.dmp

      Filesize

      48KB

    • memory/2296-12-0x0000000006BE0000-0x0000000006C6C000-memory.dmp

      Filesize

      560KB

    • memory/2296-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

      Filesize

      584KB

    • memory/2296-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-5-0x00000000059A0000-0x00000000059AA000-memory.dmp

      Filesize

      40KB

    • memory/2296-6-0x0000000005C10000-0x0000000005CAC000-memory.dmp

      Filesize

      624KB

    • memory/2296-7-0x00000000083C0000-0x00000000083DA000-memory.dmp

      Filesize

      104KB

    • memory/2296-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/2296-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/2296-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

      Filesize

      5.6MB

    • memory/2296-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/2296-11-0x0000000006B90000-0x0000000006BA0000-memory.dmp

      Filesize

      64KB

    • memory/2296-1-0x0000000000ED0000-0x0000000000F8E000-memory.dmp

      Filesize

      760KB

    • memory/4844-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-13-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4844-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-19-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-20-0x0000000006C50000-0x0000000006E12000-memory.dmp

      Filesize

      1.8MB

    • memory/4844-21-0x0000000006AD0000-0x0000000006B20000-memory.dmp

      Filesize

      320KB

    • memory/4844-22-0x0000000007350000-0x000000000787C000-memory.dmp

      Filesize

      5.2MB