Analysis

  • max time kernel
    117s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 04:47

General

  • Target

    Invoice#2968 (PO#83270) pdf.exe

  • Size

    832KB

  • MD5

    2fa6791b73bec4f05a53347a37c0a2e4

  • SHA1

    c5e240318972c79afcb40b8b3cf185cfa523e0ee

  • SHA256

    517c2ec612e5eef224a280a1509a9c646237a0295ab0a26534e362f3dace92e9

  • SHA512

    e6e4d6f4644cd7452551574f5959c86ecdde156412294dc27651b9efbdfb13fccf5031432e3fb0d02a2d64647762bcba13c89573d361c2fdfd40194c2f6d9c9a

  • SSDEEP

    24576:fO6e12gVzguVxwVzN6vET4XvjkFy05e5v+:W912gVsjR0gukkT5v

Malware Config

Extracted

Family

vipkeylogger

Credentials
C2

https://api.telegram.org/bot8066712820:AAEAb01u8B6eDO5xCMdAz6XCOHC_L2RpVGo/sendMessage?chat_id=7667424178

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 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) 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:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1832-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

    Filesize

    4KB

  • memory/1832-1-0x0000000000050000-0x0000000000124000-memory.dmp

    Filesize

    848KB

  • memory/1832-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-3-0x0000000004910000-0x00000000049DA000-memory.dmp

    Filesize

    808KB

  • memory/1832-4-0x0000000001FB0000-0x0000000001FCE000-memory.dmp

    Filesize

    120KB

  • memory/1832-5-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

    Filesize

    4KB

  • memory/1832-6-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-7-0x0000000000650000-0x00000000006DE000-memory.dmp

    Filesize

    568KB

  • memory/1832-20-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-8-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-21-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-19-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-14-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2264-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-10-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2264-22-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-23-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB