Analysis

  • max time kernel
    63s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    19-01-2021 07:05

General

  • Target

    146938fb56dd1017e45b1483dff8e353.exe

  • Size

    947KB

  • MD5

    146938fb56dd1017e45b1483dff8e353

  • SHA1

    7104dada4cff7cd2e1ac643877bca649b35e7aee

  • SHA256

    eda77a2a6a764257be0cc3de5d0d316cf149e28912804bda421607d6c8657f4a

  • SHA512

    32b0cfbc2673f8eb9079916ba82f07870cfb87195780b82f2cfd4b75670a9d44a5e7239a377c803bc75fe8171a18bc03ea85fe51129f16f0d6ff4991e4914201

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.godforeu.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O8k#Pz4sk:w_

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe
    "C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nwcdFkAETi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF863.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1624
    • C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe
      "C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe"
      2⤵
        PID:1712
      • C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe
        "C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe"
        2⤵
          PID:792
        • C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe
          "C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe"
          2⤵
            PID:440
          • C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe
            "C:\Users\Admin\AppData\Local\Temp\146938fb56dd1017e45b1483dff8e353.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1016
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
              dw20.exe -x -s 520
              3⤵
                PID:932

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Discovery

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpF863.tmp
            MD5

            4dbc5c3b281ec47452c2f20ac075111c

            SHA1

            100aef16e2091ddf317e3c2b161fe1858cee24a0

            SHA256

            5c9e3632d7c8955328525de89ee554bd15db6fd3443fce6a66cb67e8d41cb2a8

            SHA512

            6f824ae4f75cc46c15a62468948dc5c59ce3ec6d4782526463bf37011210c0b46f62c5775ab69fa0b69eb89cea0ede916bcebffc900f2a6379a74ca6e15296b8

          • memory/932-11-0x0000000000000000-mapping.dmp
          • memory/932-12-0x0000000001F20000-0x0000000001F31000-memory.dmp
            Filesize

            68KB

          • memory/932-14-0x00000000005C0000-0x00000000005C1000-memory.dmp
            Filesize

            4KB

          • memory/1016-7-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/1016-8-0x000000000043749E-mapping.dmp
          • memory/1016-10-0x0000000001FB0000-0x0000000001FB1000-memory.dmp
            Filesize

            4KB

          • memory/1108-2-0x00000000760D1000-0x00000000760D3000-memory.dmp
            Filesize

            8KB

          • memory/1108-3-0x0000000000660000-0x0000000000661000-memory.dmp
            Filesize

            4KB

          • memory/1108-5-0x0000000000661000-0x0000000000662000-memory.dmp
            Filesize

            4KB

          • memory/1624-4-0x0000000000000000-mapping.dmp