Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 12:16

General

  • Target
    _GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe
  • Size 878KB
  • Sample241011-pff3ca1gnd
  • SHA256 4c862b599a4c9a2e709ab39c52f577a99685c5a2fd2683ff58ef67bef169438e
  • MD5 SHA1 SHA512 SSDEEP

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.

  • 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\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"
      2⤵
        PID:1988
      • C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.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:4280

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          _GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/4280-11-0x0000000000400000-0x0000000000448000-memory.dmp

          memory/4280-20-0x0000000006540000-0x0000000006590000-memory.dmp

          memory/4280-19-0x00000000066A0000-0x0000000006862000-memory.dmp

          memory/4280-18-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/4280-17-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/4280-16-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/4280-14-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/5064-5-0x0000000005720000-0x000000000572A000-memory.dmp

          memory/5064-9-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/5064-10-0x0000000006FE0000-0x000000000707E000-memory.dmp

          memory/5064-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          memory/5064-7-0x00000000058E0000-0x00000000058F2000-memory.dmp

          memory/5064-6-0x00000000059A0000-0x0000000005A3C000-memory.dmp

          memory/5064-15-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/5064-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

          memory/5064-4-0x0000000074E90000-0x0000000075640000-memory.dmp

          memory/5064-3-0x0000000005750000-0x00000000057E2000-memory.dmp

          memory/5064-2-0x0000000005C60000-0x0000000006204000-memory.dmp

          memory/5064-1-0x0000000000C70000-0x0000000000D4E000-memory.dmp