Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 01:33

General

  • Target

    898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe

  • Size

    646KB

  • MD5

    64684c6a946748106c4c1dda47f35b43

  • SHA1

    f5d7256a2a08eab6091645180ed4bbc9415782d8

  • SHA256

    898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9

  • SHA512

    ea331c0fe89aa92bcdb9b5bc44e4b5b4c8d4f8d02d11d8f68d1297102fc2fc12f09f4228458f0ff28115b482dfdd3b40099eb18a9d2f95410bbfb46b4d0bd1c3

  • SSDEEP

    12288:3cK1BgNZRA6nVf8fRxdlMuTRB1J1clytTPQPfN954uZBU/bG90WHKa0Sk3A:2l/URfu+BwVfTni/bG9vZ0Sc

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe
    "C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SdoZto.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2152
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SdoZto" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4200.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2112
    • C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe
      "C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe"
      2⤵
        PID:3056
      • C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe
        "C:\Users\Admin\AppData\Local\Temp\898c382991735c0a4273fb7d1d3734c31f0cd8e6ac01e49dcecb5800896567c9.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4200.tmp

      Filesize

      1KB

      MD5

      ee8bb3331e523286c6598bb3c92e22e6

      SHA1

      d46617562898af0740d42954d5669e38fead374d

      SHA256

      0240990ef369be3c2c052426f85b5661a4bde7e40699018fd12fff7a00debe73

      SHA512

      9a41fbd71316aff16c461f607362568a897284f4521116682a8e208c4e7f6348b16f91620842ed24ba6786b51a7598191acd7dcf32de3662b61a03115a6a86d2

    • memory/2648-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2648-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2648-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3024-5-0x0000000000510000-0x0000000000524000-memory.dmp

      Filesize

      80KB

    • memory/3024-1-0x0000000073EA0000-0x000000007458E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp

      Filesize

      256KB

    • memory/3024-0-0x0000000001350000-0x00000000013F8000-memory.dmp

      Filesize

      672KB

    • memory/3024-26-0x0000000073EA0000-0x000000007458E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-6-0x00000000003F0000-0x0000000000474000-memory.dmp

      Filesize

      528KB

    • memory/3024-4-0x00000000004C0000-0x00000000004CE000-memory.dmp

      Filesize

      56KB

    • memory/3024-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

      Filesize

      96KB