Analysis

  • max time kernel
    42s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-04-2022 05:22

General

  • Target

    039c261036b80fd500607279933c43c4f1c78fdba1b54a9edbc8217df49ec154.exe

  • Size

    470KB

  • MD5

    5ca02369b45067fe039314f38b286767

  • SHA1

    b11ff0b977b16863c34dc35126f1d3d13ab5cc4f

  • SHA256

    039c261036b80fd500607279933c43c4f1c78fdba1b54a9edbc8217df49ec154

  • SHA512

    302c954d724d00309a650661689316fd0898135463882af5ca787cdef4cf9c60e2144dc2f55f80ed6df5e7141730433e1c92ae68eb0f379f1473d050abf0d1a4

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    103.147.185.85
  • Port:
    21
  • Username:
    bvhfgas7
  • Password:
    qwoour55

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\039c261036b80fd500607279933c43c4f1c78fdba1b54a9edbc8217df49ec154.exe
    "C:\Users\Admin\AppData\Local\Temp\039c261036b80fd500607279933c43c4f1c78fdba1b54a9edbc8217df49ec154.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:868
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      2⤵
        PID:2036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/868-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
      Filesize

      8KB

    • memory/868-55-0x0000000074B70000-0x000000007511B000-memory.dmp
      Filesize

      5.7MB

    • memory/2036-56-0x0000000000000000-mapping.dmp