Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    02-12-2021 07:51

General

  • Target

    SOA.exe

  • Size

    482KB

  • MD5

    c19417f92b007af50ba9ae328c693d0f

  • SHA1

    7eddf0cf2dcf2546e7d679bcd1341591c6f5d3ae

  • SHA256

    ef0c12e1c56d5e674a83f56e8e21b485bdcf7d45e0c97e02669d5e8604cebafc

  • SHA512

    700153ca06ca6b43a053db6ac1ead5e9de6e3f27426dd362d67fe5fe5064948c56847503965c2846f0304a2365d5f34f1fdd119c445770e1272b68926b5d9041

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.khawambros.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1EJRh0xnEN549JSbdZHz

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 5 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YHKJxhNg" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF660.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "{path}"
      2⤵
        PID:1940
      • C:\Users\Admin\AppData\Local\Temp\SOA.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF660.tmp

      MD5

      282d2aaa6f0b4cf5e7bb24707a625a1e

      SHA1

      4c256fc62f73408c117d8369f8d0a30928fd7e5a

      SHA256

      9214fd70a73c31d4c3bb1a3acbcf17041dc855fddc0990145e9934345600d592

      SHA512

      c3b0ed163ea489cf89e0bf7ba32c9f54dd3579de2ae4c10d90f8e88e080fc98574c02f9161cadfae6d88f9926cf515ce06581bd460e0252bb54da472a69a7aa4

    • memory/1088-55-0x0000000000310000-0x0000000000311000-memory.dmp

      Filesize

      4KB

    • memory/1088-57-0x0000000074A41000-0x0000000074A43000-memory.dmp

      Filesize

      8KB

    • memory/1088-58-0x0000000004E50000-0x0000000004E51000-memory.dmp

      Filesize

      4KB

    • memory/1088-59-0x00000000002E0000-0x00000000002E5000-memory.dmp

      Filesize

      20KB

    • memory/1088-60-0x0000000004D80000-0x0000000004DFC000-memory.dmp

      Filesize

      496KB

    • memory/1088-61-0x00000000047B0000-0x00000000047E8000-memory.dmp

      Filesize

      224KB

    • memory/1908-62-0x0000000000000000-mapping.dmp

    • memory/1972-64-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-65-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-67-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-66-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-68-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-69-0x00000000004374BE-mapping.dmp

    • memory/1972-70-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1972-72-0x0000000004B20000-0x0000000004B21000-memory.dmp

      Filesize

      4KB

    • memory/1972-73-0x0000000004B21000-0x0000000004B22000-memory.dmp

      Filesize

      4KB