Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-07-2022 01:21

General

  • Target

    48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe

  • Size

    754KB

  • MD5

    43edb4e225ec7d0a6ff499db4deb4fd0

  • SHA1

    49976eb09b3e79abf2c861e9e05c58021b17544c

  • SHA256

    48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89

  • SHA512

    6b0865b181303e71f2541f48da7b2abfbef0da78556271857171f8089757c8841ce46298b239fb8aaadd9cbaf56b95261271387123918829ea8b24d2c6552746

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe
    "C:\Users\Admin\AppData\Local\Temp\48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe
      "C:\Users\Admin\AppData\Local\Temp\48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp67B3.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4900
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp6BCB.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:3220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\48f22d868ca2fa356e8e8e035da7e95d4084c3e5c8c1ad758e8694436fe82b89.exe.log

    Filesize

    500B

    MD5

    f3bfbe5958adfc86cc0ea0a8317ea113

    SHA1

    3bf76848af2edafcacee5f9fb6a06b35a6724015

    SHA256

    598715cafd950c881e4fe318430b5830e95781f2093baa22f124cfad03320874

    SHA512

    873fb9861d615ec3298ccba8231ea3f2a22f2050fe68fea1a6948987942c04f6b40f0b92d5e59f6971cdb429b67877ac2e3cfc953949a0140e03c6cdb8a1139d

  • C:\Users\Admin\AppData\Local\Temp\tmp67B3.tmp

    Filesize

    4KB

    MD5

    a44410c464bc23ac615f732de976447c

    SHA1

    e13bb8bfa077dd78dda795b3c21750f217ba4d36

    SHA256

    a1a6fab77bd9c6713b610b41cb025ba806b8fd64fb80b862e1c44ab2277545a6

    SHA512

    15e8af0f65161d9ffe068f10083bb2aebfa9be89a36ca6816853f05b58dd05ea46c5abd2f306a354b6ce9eeab20f26a900c6cf3233553bacf168dcbefb79e31a

  • memory/2036-136-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-137-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/3220-149-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3220-148-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3220-146-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4260-135-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/4260-130-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/4260-131-0x0000000074BC0000-0x0000000075171000-memory.dmp

    Filesize

    5.7MB

  • memory/4900-142-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/4900-143-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/4900-141-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/4900-139-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB