Analysis

  • max time kernel
    147s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-04-2021 09:52

General

  • Target

    1221000880.pdf.exe

  • Size

    807KB

  • MD5

    51cc9ef1470b1a132b0c8555bb204291

  • SHA1

    d54e8fb1eef02ec6c1c4d246c912ebfd82bb0e67

  • SHA256

    4618f55b6482e1d13e798ed1045deb42ab9efb04c1e16a2313d62f1ec6d9ef43

  • SHA512

    359b084cb6f27a48793b1554078197786a7d3f6ddf514263c8264cfda9708a4ea80f667f36bfa604c503da98fb44529064b1ce4201bc0c0b1fe6f1f6a09df072

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    cspuri@searchnet.co.in
  • Password:
    22june1969

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
      2⤵
        PID:972
      • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
        2⤵
          PID:368
        • C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\1221000880.pdf.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          PID:572

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/572-66-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/572-67-0x000000000043761E-mapping.dmp
      • memory/572-68-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/572-70-0x00000000049F0000-0x00000000049F1000-memory.dmp
        Filesize

        4KB

      • memory/1688-60-0x0000000000080000-0x0000000000081000-memory.dmp
        Filesize

        4KB

      • memory/1688-62-0x0000000004E80000-0x0000000004E81000-memory.dmp
        Filesize

        4KB

      • memory/1688-63-0x00000000002B0000-0x00000000002B9000-memory.dmp
        Filesize

        36KB

      • memory/1688-64-0x0000000005730000-0x00000000057A3000-memory.dmp
        Filesize

        460KB

      • memory/1688-65-0x0000000004870000-0x00000000048B2000-memory.dmp
        Filesize

        264KB