Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    23-10-2021 10:17

General

  • Target

    Payment slip.exe

  • Size

    664KB

  • MD5

    da1c1f2acf3ceaf318b88595c6fcd3e2

  • SHA1

    c1b33299ce801bdf1ec02e5125dcb018a751c0e8

  • SHA256

    e49f212d6e5f137cf1394c1bce43b0d84c1a982b0a52e43d27d8cd45692764b7

  • SHA512

    21ba66ae3eb417f53a140a600dea660cdc6e951cac372a6993ebdde62ec61acecfa44589b9d9e4ecc61eefe87bb05c3fdee29e1dfec44ba45f39ea5a69b860c9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Everest10

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\Payment slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 396
        3⤵
          PID:1372

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/852-54-0x0000000075331000-0x0000000075333000-memory.dmp

      Filesize

      8KB

    • memory/852-55-0x00000000001B0000-0x00000000001B1000-memory.dmp

      Filesize

      4KB

    • memory/852-56-0x00000000001B1000-0x00000000001B2000-memory.dmp

      Filesize

      4KB

    • memory/1372-64-0x0000000000000000-mapping.dmp

    • memory/1372-67-0x0000000002800000-0x0000000002801000-memory.dmp

      Filesize

      4KB

    • memory/1528-57-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1528-58-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1528-59-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1528-60-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1528-61-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/1528-62-0x0000000000436D3E-mapping.dmp

    • memory/1528-66-0x0000000000D30000-0x0000000000D31000-memory.dmp

      Filesize

      4KB