Analysis

  • max time kernel
    150s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-01-2021 08:00

General

  • Target

    CONTRACT AGREEMENT.exe

  • Size

    587KB

  • MD5

    e681c7f6aeef4b000f2f03722d9a8a2c

  • SHA1

    aaac55863aa3f4ddbcce77c43263355d6416a5d6

  • SHA256

    a067477aa053def509e395ee1b5e8797616ec284983ab23eafe607b5c0ccb186

  • SHA512

    0ea91bc168e9a42c13d3ea7a8b6bcb6ef803d9cbd3f36b547a7dbb70c6e093bf38756da9de715abf2d87068c8e9fc6af2078dd7d872903685d75bbd2e21c6ab1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hybridgroupco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Obinna123@@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONTRACT AGREEMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\CONTRACT AGREEMENT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\CONTRACT AGREEMENT.exe
      "{path}"
      2⤵
        PID:1580
      • C:\Users\Admin\AppData\Local\Temp\CONTRACT AGREEMENT.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 516
          3⤵
            PID:1324

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1324-9-0x0000000000000000-mapping.dmp
      • memory/1324-10-0x0000000001DD0000-0x0000000001DE1000-memory.dmp
        Filesize

        68KB

      • memory/1324-13-0x0000000000510000-0x0000000000511000-memory.dmp
        Filesize

        4KB

      • memory/1368-2-0x0000000075571000-0x0000000075573000-memory.dmp
        Filesize

        8KB

      • memory/1368-3-0x00000000009C0000-0x00000000009C1000-memory.dmp
        Filesize

        4KB

      • memory/1368-4-0x00000000009C1000-0x00000000009C2000-memory.dmp
        Filesize

        4KB

      • memory/1668-6-0x00000000004374BE-mapping.dmp
      • memory/1668-5-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/1668-8-0x0000000000900000-0x0000000000901000-memory.dmp
        Filesize

        4KB