Analysis

  • max time kernel
    120s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 17:02

General

  • Target

    e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe

  • Size

    646KB

  • MD5

    34e3967c8143fb8822936f1a463b72df

  • SHA1

    ddd217ba236011c11af70a60e5942f345cc5039a

  • SHA256

    e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777

  • SHA512

    4e1633b036e3dfe3405f6580903a938a7f6b43848e4408e2573478b4172e2236ccff8683f982c22cf2a70bf56c9967395ef7c7a5dd58a29cdf244aaa796dcc68

  • SSDEEP

    12288:wOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiOHGu+4EIppaL+YQRUXi1h5QryNnts:wq5TfcdHj4fmboOci0kPNnmN

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.

  • Vipkeylogger family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe
    "C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\stickers\juvenile.exe
      "C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\stickers\juvenile.exe

    Filesize

    646KB

    MD5

    34e3967c8143fb8822936f1a463b72df

    SHA1

    ddd217ba236011c11af70a60e5942f345cc5039a

    SHA256

    e4ee3b0145b6c859815fd11a158334d23fdb015f4d225ed6e0dae2a4a7c82777

    SHA512

    4e1633b036e3dfe3405f6580903a938a7f6b43848e4408e2573478b4172e2236ccff8683f982c22cf2a70bf56c9967395ef7c7a5dd58a29cdf244aaa796dcc68

  • memory/2200-36-0x00000000005E0000-0x000000000062E000-memory.dmp

    Filesize

    312KB

  • memory/2200-34-0x0000000000230000-0x0000000000280000-memory.dmp

    Filesize

    320KB

  • memory/2200-43-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2200-42-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2200-41-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2200-40-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/2200-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2200-29-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2200-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2200-38-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2200-33-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/2200-37-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2200-35-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2240-0-0x00000000003B0000-0x0000000000525000-memory.dmp

    Filesize

    1.5MB

  • memory/2240-39-0x0000000002B30000-0x0000000002CA5000-memory.dmp

    Filesize

    1.5MB

  • memory/2240-7-0x0000000000A90000-0x0000000000E90000-memory.dmp

    Filesize

    4.0MB

  • memory/2240-13-0x00000000003B0000-0x0000000000525000-memory.dmp

    Filesize

    1.5MB

  • memory/2240-14-0x0000000002B30000-0x0000000002CA5000-memory.dmp

    Filesize

    1.5MB

  • memory/2396-16-0x00000000000B0000-0x0000000000225000-memory.dmp

    Filesize

    1.5MB

  • memory/2396-32-0x00000000000B0000-0x0000000000225000-memory.dmp

    Filesize

    1.5MB

  • memory/2396-25-0x0000000000880000-0x0000000000C80000-memory.dmp

    Filesize

    4.0MB