Analysis

  • max time kernel
    93s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2023, 01:01

General

  • Target

    86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe

  • Size

    1.7MB

  • MD5

    11473570b2c0b832a185c0686b299617

  • SHA1

    c09591561f28ef819b0f5dd12e257a6bed7a7926

  • SHA256

    86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46

  • SHA512

    73ae67fcfb5fab442b6a2ca33edf97de9529817fdaf607971c746960e95146641473ae28c0dd06668f304949b1890f22742a46e1e8f084c3393ce0024423474c

  • SSDEEP

    24576:a9Ot09OX7l348A5NyiQyNUCKesphWrtZs5ovKOlpqAHk7A1dsIiilifApOLLQ094:a6jGv4APpoj2yqKP4Z2BlC2Er

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    files.000webhost.com
  • Port:
    21
  • Username:
    zincox

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://files.000webhost.com
  • Port:
    21
  • Username:
    zincox
  • Password:
    computer@1010

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe
    "C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5000
    • C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe
      C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe
      2⤵
        PID:3968
      • C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe
        C:\Users\Admin\AppData\Local\Temp\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\86f672c898c07fb25235035b30392a1f1fd490efd425855cf840899f8a755b46.exe.log

      Filesize

      1KB

      MD5

      4d259201820f7463debc4c85122dd6cc

      SHA1

      1013be04a2cca2490e8be6933a7f0519e59f9e5d

      SHA256

      1c5aefb5e6b00481a404589e1ac8bad25f93f78037925f6bf1228efb90f0cc37

      SHA512

      6cc910ff56e02d14b6c67d416311beb2db34a037be5dcb71d5e7185697c7e3950616411094c094d36d96e7d25ee355411fa189a581fdd082d9689a65b00d9c67

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_woxijlud.050.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3588-133-0x0000000000D30000-0x0000000000EE0000-memory.dmp

      Filesize

      1.7MB

    • memory/3588-134-0x0000000005730000-0x000000000576C000-memory.dmp

      Filesize

      240KB

    • memory/3588-135-0x0000000001770000-0x0000000001780000-memory.dmp

      Filesize

      64KB

    • memory/3588-136-0x0000000006390000-0x00000000063B2000-memory.dmp

      Filesize

      136KB

    • memory/3588-156-0x0000000001770000-0x0000000001780000-memory.dmp

      Filesize

      64KB

    • memory/4820-171-0x0000000006910000-0x0000000006960000-memory.dmp

      Filesize

      320KB

    • memory/4820-170-0x00000000066A0000-0x00000000066AA000-memory.dmp

      Filesize

      40KB

    • memory/4820-169-0x00000000066F0000-0x0000000006782000-memory.dmp

      Filesize

      584KB

    • memory/4820-172-0x0000000006B30000-0x0000000006CF2000-memory.dmp

      Filesize

      1.8MB

    • memory/4820-168-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/4820-167-0x0000000005D20000-0x00000000062C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4820-179-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/4820-164-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/5000-140-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-157-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-158-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-159-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-155-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-154-0x00000000067E0000-0x00000000067FA000-memory.dmp

      Filesize

      104KB

    • memory/5000-153-0x00000000079B0000-0x000000000802A000-memory.dmp

      Filesize

      6.5MB

    • memory/5000-152-0x0000000006300000-0x000000000631E000-memory.dmp

      Filesize

      120KB

    • memory/5000-142-0x0000000005C90000-0x0000000005CF6000-memory.dmp

      Filesize

      408KB

    • memory/5000-141-0x0000000005B90000-0x0000000005BF6000-memory.dmp

      Filesize

      408KB

    • memory/5000-139-0x0000000004F20000-0x0000000004F30000-memory.dmp

      Filesize

      64KB

    • memory/5000-138-0x0000000005560000-0x0000000005B88000-memory.dmp

      Filesize

      6.2MB

    • memory/5000-137-0x0000000004D50000-0x0000000004D86000-memory.dmp

      Filesize

      216KB