Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2025 12:49

General

  • Target

    BJ Energy Solutions ORDER_O.50338 2024-25604.exe

  • Size

    740KB

  • MD5

    27d1b2cef85d775a968297c64afdce9a

  • SHA1

    bb8cc8a94bb21a46aaf32950e08678a0f0cb496c

  • SHA256

    6f50875abceaba552313a0210af7cd248a4719b2d992de3f40f716dd0c04ca0a

  • SHA512

    17d8882e69a308635ad842d801647c0fd607d432034b2aa2cece79683c9a3413267a636d62de78e363207a6febcb5c539a1aa15b397d900aace97b9a6b48de81

  • SSDEEP

    12288:kPiEp0IPsjpaPpzwOPT36sPe/aHZYWom0Tr6HYTyoDpbQS0+zuql7:kKEWX8h8m36sPe/6X88S00uq

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\BJ Energy Solutions ORDER_O.50338 2024-25604.exe
    "C:\Users\Admin\AppData\Local\Temp\BJ Energy Solutions ORDER_O.50338 2024-25604.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Local\Temp\BJ Energy Solutions ORDER_O.50338 2024-25604.exe
      "C:\Users\Admin\AppData\Local\Temp\BJ Energy Solutions ORDER_O.50338 2024-25604.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:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD413.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD426.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2072-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-22-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-21-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2072-19-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2072-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2304-7-0x0000000005E50000-0x0000000005EDE000-memory.dmp

    Filesize

    568KB

  • memory/2304-3-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2304-0-0x000000007426E000-0x000000007426F000-memory.dmp

    Filesize

    4KB

  • memory/2304-6-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2304-5-0x000000007426E000-0x000000007426F000-memory.dmp

    Filesize

    4KB

  • memory/2304-20-0x0000000074260000-0x000000007494E000-memory.dmp

    Filesize

    6.9MB

  • memory/2304-4-0x0000000000710000-0x000000000072A000-memory.dmp

    Filesize

    104KB

  • memory/2304-2-0x0000000004760000-0x0000000004816000-memory.dmp

    Filesize

    728KB

  • memory/2304-1-0x0000000000300000-0x00000000003C0000-memory.dmp

    Filesize

    768KB