Analysis

  • max time kernel
    137s
  • max time network
    81s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    30-06-2020 13:09

General

  • Target

    3ITpULVSUKtuW12.exe

  • Size

    430KB

  • MD5

    2f06562ef31b803e7c5d204cf0380080

  • SHA1

    91d161311e12ca6739fe34585257063ddb12a761

  • SHA256

    facf62b34a748980cae0b845a7a37ca817e04def710f4442befd85a47ae39386

  • SHA512

    a09b092243ec75921fa7691b2fe5a409c8f99914225ca4d4a1bc544ad22f87bf84e314f30ab4d3dd53c6d0c432ec74fd03813dac4cf5ebae5b798f82e9b4026f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prismindia.in
  • Port:
    587
  • Username:
    gold@prismindia.in
  • Password:
    Stencil1@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prismindia.in
  • Port:
    587
  • Username:
    gold@prismindia.in
  • Password:
    Stencil1@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ITpULVSUKtuW12.exe
    "C:\Users\Admin\AppData\Local\Temp\3ITpULVSUKtuW12.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\3ITpULVSUKtuW12.exe
      "{path}"
      2⤵
        PID:2852
      • C:\Users\Admin\AppData\Local\Temp\3ITpULVSUKtuW12.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:3544

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      3
      T1081

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\3ITpULVSUKtuW12.exe.log
        MD5

        3753b01eddc20f64178eaf3d55b5c146

        SHA1

        ca50665940eb8519e1df0c1f185fb72a271c2a66

        SHA256

        99096651b1d9b4a7562f56c8e42c06d1166f7f22a93816e2862317ada8154b37

        SHA512

        566366e651e94fab25454fb0199508cd62a64723137b32fbd5bee531110403d9194b9a4fc053740c571a69e820c1c72e48d65fc3a5410a22b6ae9d2e55508bf3

      • memory/2916-0-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/2916-1-0x000000000044B07E-mapping.dmp
      • memory/3544-3-0x0000000000000000-mapping.dmp