Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 03:19

General

  • Target

    Invoice-1150.exe

  • Size

    768KB

  • MD5

    ef31d9a0edb030c28669b85712413cb1

  • SHA1

    59e9c21a4babd9269fbb72046fb448ba66d16729

  • SHA256

    20bd37d1bc1d656f678d99c15df2610cb2e2f9c4e0b294e504e8508be4c2f658

  • SHA512

    cd051d17fc75ecfa8ba6fcfb6307f70879ee26c29af2bd99507e143956fc0ec510fb3a5b3b22bfbef1c959d0dfab18ee1b5b009dacc4e8768e8bcd9781526ab6

  • SSDEEP

    12288:pqcA1fy1MqCNbvYt4P4Id76TXpDyLi9RqGUGgPKAQj9BM1FPgw+q28xH1xV3KdEP:+5PNbg4h2T5OqqGWKZM1tpH57Va2m

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ruchiraprinting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ruchira@PR12

Extracted

Family

vipkeylogger

Credentials

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 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\Invoice-1150.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice-1150.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:3588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice-1150.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2808-10-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-11-0x0000000003230000-0x00000000032BE000-memory.dmp

    Filesize

    568KB

  • memory/2808-1-0x0000000000F00000-0x0000000000FC6000-memory.dmp

    Filesize

    792KB

  • memory/2808-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-6-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

    Filesize

    624KB

  • memory/2808-7-0x0000000006F20000-0x0000000006FDE000-memory.dmp

    Filesize

    760KB

  • memory/2808-8-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

    Filesize

    120KB

  • memory/2808-9-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2808-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/2808-3-0x00000000059B0000-0x0000000005A42000-memory.dmp

    Filesize

    584KB

  • memory/2808-2-0x0000000006020000-0x00000000065C4000-memory.dmp

    Filesize

    5.6MB

  • memory/2808-4-0x0000000005B70000-0x0000000005B7A000-memory.dmp

    Filesize

    40KB

  • memory/3588-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3588-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-19-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-20-0x0000000008A00000-0x0000000008BC2000-memory.dmp

    Filesize

    1.8MB

  • memory/3588-21-0x00000000088B0000-0x0000000008900000-memory.dmp

    Filesize

    320KB

  • memory/3588-22-0x0000000009100000-0x000000000962C000-memory.dmp

    Filesize

    5.2MB