Analysis

  • max time kernel
    129s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 06:41

General

  • Target

    34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe

  • Size

    724KB

  • MD5

    9c4807607e217d44856ecd09967e9d8d

  • SHA1

    4b9356163bede34f8dde32e99c4473bc2d0a345e

  • SHA256

    34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec

  • SHA512

    3fbe348cf8d4a1675255eef9ddde45288a9325681dca993cb44b963e35c1da40f28a8aa5e24d43deef7580d954cf57938a8f10f8df0f8edfe01a1921c920996f

  • SSDEEP

    12288:NLnx5K7Tu3XDG2ajf9LkO++TEbbPHF4zSNxEUfM7goW0xI:xx544G201xEXPCzUE7goWuI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lumansanaat.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    modir159753

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops file in Drivers directory 1 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
  • Adds Run key to start application 2 TTPs 1 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe
    "C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dHXORcDyFQhN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dHXORcDyFQhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6DA2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1384
    • C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe
      "C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe"
      2⤵
        PID:1560
      • C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe
        "C:\Users\Admin\AppData\Local\Temp\34c4c9a49fcb10935881b833afdc4cb1c1957e17c18e57530537e8f5ca4d7aec.exe"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:912

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6DA2.tmp
      Filesize

      1KB

      MD5

      cfa64cc2b92ba6d41b9ee54657e747d7

      SHA1

      2848b9cb17e9b1e76f2d1a2a669705db099f18c1

      SHA256

      51359de38197bc04f8c574fd4128d5efac5cb88fc9600ef7bb55b943de8ef661

      SHA512

      5febdb738d264ce8f902235e5cb19f5a9d48dfdf2f2d189097509aa29d07d9255e1f05dadcc5d0b39007a244d1ab078aaf6bd48c454d807b9e7dbd2a1152c2a0

    • memory/912-65-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-75-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-73-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-71-0x0000000000435CEE-mapping.dmp
    • memory/912-70-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-68-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-69-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/912-66-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/1384-60-0x0000000000000000-mapping.dmp
    • memory/1404-63-0x000000006E340000-0x000000006E8EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1404-59-0x0000000000000000-mapping.dmp
    • memory/1404-77-0x000000006E340000-0x000000006E8EB000-memory.dmp
      Filesize

      5.7MB

    • memory/1552-64-0x0000000004460000-0x000000000449C000-memory.dmp
      Filesize

      240KB

    • memory/1552-54-0x0000000010910000-0x00000000109C8000-memory.dmp
      Filesize

      736KB

    • memory/1552-58-0x0000000005680000-0x000000000570A000-memory.dmp
      Filesize

      552KB

    • memory/1552-57-0x0000000000280000-0x000000000028C000-memory.dmp
      Filesize

      48KB

    • memory/1552-56-0x0000000000240000-0x000000000025A000-memory.dmp
      Filesize

      104KB

    • memory/1552-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
      Filesize

      8KB