Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:39

General

  • Target

    91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe

  • Size

    872KB

  • MD5

    0554428077178ad08f6323a63f539c20

  • SHA1

    83c73ab3c57ad7c32d690b9f3016f1548535c1ff

  • SHA256

    91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2

  • SHA512

    9b2ceb31765f82bf4d23175ec2ba58056df6aaf8bdd026fa28767baf024d81ffa7fcc399457c1c206d74e3fae2e567ebb4d3d7424846f9aa83f777395beb82b6

  • SSDEEP

    12288:jjADhreCPb6Al2sNSj6c1WQK0DvFHPBVcjstytYyn37lKzdlqLPHTVHKL+wm:jjADhreCPc2YDv54B7l8vqzRHKi

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.carbognin.it
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    59Cif8wZUH#X

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
    "C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
      "C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"
      2⤵
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe
        "C:\Users\Admin\AppData\Local\Temp\91aaa529420c12fbd34da00273de2453c206c09d994802f0b2eb7e89fbe7a0c2.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1948-25-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/1948-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

      Filesize

      4KB

    • memory/1948-3-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/1948-2-0x0000000000770000-0x00000000007B4000-memory.dmp

      Filesize

      272KB

    • memory/1948-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

      Filesize

      4KB

    • memory/1948-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/1948-6-0x0000000002030000-0x000000000204A000-memory.dmp

      Filesize

      104KB

    • memory/1948-7-0x0000000001F30000-0x0000000001F36000-memory.dmp

      Filesize

      24KB

    • memory/1948-1-0x0000000000130000-0x0000000000210000-memory.dmp

      Filesize

      896KB

    • memory/2560-24-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2560-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2560-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2560-26-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2560-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2560-27-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2952-11-0x0000000000070000-0x00000000000B2000-memory.dmp

      Filesize

      264KB

    • memory/2952-10-0x0000000000070000-0x00000000000B2000-memory.dmp

      Filesize

      264KB

    • memory/2952-8-0x0000000000070000-0x00000000000B2000-memory.dmp

      Filesize

      264KB

    • memory/2952-12-0x0000000000070000-0x00000000000B2000-memory.dmp

      Filesize

      264KB

    • memory/2952-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB