Analysis

  • max time kernel
    118s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2025 01:56

General

  • Target

    RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET.exe

  • Size

    739KB

  • MD5

    0651a05d2350a93f9f1ff6400d7db55d

  • SHA1

    4548e1d49873626ac6eee581126318b17024feb5

  • SHA256

    a5be206861bab4850f3022243ae51161423cc8f8a12aed99f9f55f04a774df73

  • SHA512

    9340e004fab5479e90acacfb6260ba9681a6a60f6fd76c230270eeecd6d3f42f0fa9ea33ac82bd36b474b5066cc763d54e10403648149dcecd6e8486a13b1f51

  • SSDEEP

    12288:nYRxA4Y5lyA/BxSPCyWqLoPZGDI+ef31hJLYZsMJB2RTMRutAbW5KNhc:YRBLhDM9hJXuBwgRut/5KN

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vimet.com.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    auHM5EXeLggV

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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ PETROIL BID INVITATION EOI - 16674.01 4KPET.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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabBAD9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBAFB.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2220-21-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-25-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-24-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-23-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2220-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2220-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2396-5-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-22-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-6-0x0000000004F20000-0x0000000004FAE000-memory.dmp

    Filesize

    568KB

  • memory/2396-0-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2396-4-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2396-3-0x0000000000570000-0x000000000058A000-memory.dmp

    Filesize

    104KB

  • memory/2396-2-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2396-1-0x0000000000E50000-0x0000000000F10000-memory.dmp

    Filesize

    768KB