Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:08

General

  • Target

    4c81475320e48a5ba2d483e200d1e5748fba7596ca3df92d4e803464bb186965.exe

  • Size

    580KB

  • MD5

    e3f571bd6aea26e6f2721cd147e3aeac

  • SHA1

    3cffb12aeebff9c1260b333c980a028f2403c677

  • SHA256

    4c81475320e48a5ba2d483e200d1e5748fba7596ca3df92d4e803464bb186965

  • SHA512

    1cfdf95374a749e44ca3fb488ca2ce9fa52a60bf50d9d21f5df1ee5927d0a7fb8ef5d24c6f65b4fd6c4cb893ff97e3a1cdc5201b288619d670425ccbb382123f

  • SSDEEP

    12288:eDYaW1FIIt8pBFlCVvAFCVMEBJ1UN5sg8YbbWKBQ:eDYr1Fxt8L5FgLSH8Y

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nsatech.co
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Hn064008007320212021

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c81475320e48a5ba2d483e200d1e5748fba7596ca3df92d4e803464bb186965.exe
    "C:\Users\Admin\AppData\Local\Temp\4c81475320e48a5ba2d483e200d1e5748fba7596ca3df92d4e803464bb186965.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1160
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2384 -s 612
      2⤵
        PID:2172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1160-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1160-3-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-5-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-4-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1160-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2384-1-0x00000000001C0000-0x0000000000256000-memory.dmp

      Filesize

      600KB

    • memory/2384-2-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp

      Filesize

      9.9MB

    • memory/2384-0-0x000007FEF5AB3000-0x000007FEF5AB4000-memory.dmp

      Filesize

      4KB

    • memory/2384-13-0x000007FEF5AB3000-0x000007FEF5AB4000-memory.dmp

      Filesize

      4KB

    • memory/2384-14-0x000007FEF5AB0000-0x000007FEF649C000-memory.dmp

      Filesize

      9.9MB