Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 02:34

General

  • Target

    a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81.exe

  • Size

    775KB

  • MD5

    324796af926f8e32ccecd40e77676a0c

  • SHA1

    fa0bbffc6422f42395a323b49cc4752c5553c635

  • SHA256

    a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81

  • SHA512

    35ad6f8612dd7a988ec7588eeae2e00c52a39ab5e5cf305f2de451bc531d479634da04e5442f88077801425ebdfa62d0a7f9977d11a1a54b5e75ba9104f7ac0a

  • SSDEEP

    24576:IF197Eaz2h/PVI+Jiu/CNchPJ312ZUY5:O77Eaz2lVI+JZCNKJl2j

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://eu-west-1.sftpcloud.io
  • Port:
    21
  • Username:
    64c972c69bef4d24b6a8140c66c10f0a
  • Password:
    2S39TYnNmuLXjVyhLq8dhVRX7Wul6UwJ

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81.exe
    "C:\Users\Admin\AppData\Local\Temp\a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81.exe
      "C:\Users\Admin\AppData\Local\Temp\a1c90612e171679cdf3fc4aad3872a80a782e2cfee64b53a631cea435e947a81.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2008-0-0x0000000000890000-0x0000000000958000-memory.dmp
    Filesize

    800KB

  • memory/2008-1-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2008-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp
    Filesize

    256KB

  • memory/2008-3-0x00000000004B0000-0x00000000004D0000-memory.dmp
    Filesize

    128KB

  • memory/2008-4-0x00000000004E0000-0x00000000004F4000-memory.dmp
    Filesize

    80KB

  • memory/2008-5-0x00000000005C0000-0x0000000000642000-memory.dmp
    Filesize

    520KB

  • memory/2008-19-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2488-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2488-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2488-22-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2488-23-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB