Analysis

  • max time kernel
    131s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    15-09-2021 07:31

General

  • Target

    Bank details.exe

  • Size

    423KB

  • MD5

    3bf82d500366aa323bab9365a2300c9a

  • SHA1

    9228407c77e24e119e903a0aeffbc6b0ae6dfa0e

  • SHA256

    d27fd6c029cf8ee94e3765d738300478d94ce269c91b27e883b607684a86e393

  • SHA512

    1bb55271378bca6be0b6773325e1542ea29e1d84fc589415ff2c364c1d81472194b51df9f39c37c62a0785255f256f1773dd65bc36f726e8eddad65e6a8402d7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    uscentral50.myserverhosts.com
  • Port:
    587
  • Username:
    sales@radheatwaters.com
  • Password:
    waters@789

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank details.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2892
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2904
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Drops file in Drivers directory
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2664

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2664-125-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/2664-133-0x00000000060F0000-0x00000000060F1000-memory.dmp
        Filesize

        4KB

      • memory/2664-132-0x0000000005930000-0x0000000005931000-memory.dmp
        Filesize

        4KB

      • memory/2664-131-0x0000000005470000-0x0000000005471000-memory.dmp
        Filesize

        4KB

      • memory/2664-126-0x000000000043760E-mapping.dmp
      • memory/3908-119-0x00000000056B0000-0x0000000005BAE000-memory.dmp
        Filesize

        5.0MB

      • memory/3908-122-0x0000000008B20000-0x0000000008B21000-memory.dmp
        Filesize

        4KB

      • memory/3908-123-0x0000000008A80000-0x0000000008ADC000-memory.dmp
        Filesize

        368KB

      • memory/3908-124-0x000000000B390000-0x000000000B3CC000-memory.dmp
        Filesize

        240KB

      • memory/3908-121-0x0000000005770000-0x0000000005777000-memory.dmp
        Filesize

        28KB

      • memory/3908-120-0x0000000005550000-0x0000000005551000-memory.dmp
        Filesize

        4KB

      • memory/3908-115-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
        Filesize

        4KB

      • memory/3908-118-0x0000000005560000-0x0000000005561000-memory.dmp
        Filesize

        4KB

      • memory/3908-117-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
        Filesize

        4KB