Analysis

  • max time kernel
    126s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2025, 07:36

General

  • Target

    URGENT DHL - OVERDUE ACCOUNT LETTER- 1300711528.exe

  • Size

    2.8MB

  • MD5

    6c3f550d614e789df671f547b8bf60ca

  • SHA1

    cb70756917bcd865bbb441ab75c00a1e3dcf23c2

  • SHA256

    34c06c3e40d9b454a9b8cad1b0a52ad8f1974f63f4badb9613ea07ef426ca3b8

  • SHA512

    9d19f5e0ced8d783f5fa58f482ce643cfc32c15a6b9335e85799ca556be42a667d19bd7d337ffacffbe0ec3d55ba3ffee1c5b53a7769cdb0cee4025812adac9d

  • SSDEEP

    49152:0VgeOuaAtbjRnSEAdt8S9DLNIs5TvFekcnG/6L3GTrb7RZotJYG:0paUHRnSpt19PNIs5TNWHL3svXaJV

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • VIPKeylogger

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

  • Vipkeylogger family
  • Drops startup file 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3440
      • C:\Users\Admin\AppData\Local\Temp\URGENT DHL - OVERDUE ACCOUNT LETTER- 1300711528.exe
        "C:\Users\Admin\AppData\Local\Temp\URGENT DHL - OVERDUE ACCOUNT LETTER- 1300711528.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3172
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4496
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:5136

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3172-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

      Filesize

      4KB

    • memory/3172-1-0x0000000000EA0000-0x000000000117E000-memory.dmp

      Filesize

      2.9MB

    • memory/3172-2-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-3-0x00000000063A0000-0x00000000065FC000-memory.dmp

      Filesize

      2.4MB

    • memory/3172-15-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-17-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-29-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-39-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-43-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-57-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-65-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-67-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-63-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-61-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-59-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-55-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-53-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-49-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-47-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-45-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-41-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-51-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-35-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-33-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-37-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-31-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-27-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-25-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-23-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-19-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-13-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-11-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-9-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-5-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-21-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-4-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-7-0x00000000063A0000-0x00000000065F6000-memory.dmp

      Filesize

      2.3MB

    • memory/3172-1326-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-1327-0x0000000006640000-0x00000000067F6000-memory.dmp

      Filesize

      1.7MB

    • memory/3172-1328-0x0000000007AE0000-0x0000000007C94000-memory.dmp

      Filesize

      1.7MB

    • memory/3172-1329-0x0000000005580000-0x00000000055CC000-memory.dmp

      Filesize

      304KB

    • memory/3172-1330-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

      Filesize

      4KB

    • memory/3172-1331-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-1332-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-1333-0x0000000008340000-0x00000000088E4000-memory.dmp

      Filesize

      5.6MB

    • memory/3172-1334-0x0000000006A00000-0x0000000006A54000-memory.dmp

      Filesize

      336KB

    • memory/3172-1341-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-1345-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3172-1343-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-1346-0x0000000004CD0000-0x0000000004DDA000-memory.dmp

      Filesize

      1.0MB

    • memory/4496-1344-0x00000000005C0000-0x00000000007B6000-memory.dmp

      Filesize

      2.0MB

    • memory/4496-1627-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-2670-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-2671-0x0000000004DE0000-0x0000000004E44000-memory.dmp

      Filesize

      400KB

    • memory/4496-2672-0x0000000004F90000-0x0000000004FF2000-memory.dmp

      Filesize

      392KB

    • memory/4496-2677-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-2680-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-2679-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/5136-2682-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/5136-2681-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/5136-2683-0x0000000005140000-0x00000000051DC000-memory.dmp

      Filesize

      624KB

    • memory/5136-2684-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/5136-2685-0x00000000065F0000-0x00000000067B2000-memory.dmp

      Filesize

      1.8MB

    • memory/5136-2686-0x0000000006470000-0x00000000064C0000-memory.dmp

      Filesize

      320KB

    • memory/5136-2687-0x0000000006CF0000-0x000000000721C000-memory.dmp

      Filesize

      5.2MB

    • memory/5136-2688-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/5136-2689-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/5136-2690-0x0000000004F90000-0x0000000005022000-memory.dmp

      Filesize

      584KB

    • memory/5136-2691-0x0000000001040000-0x000000000104A000-memory.dmp

      Filesize

      40KB