Analysis

  • max time kernel
    100s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 11:54

General

  • Target

    SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe

  • Size

    8KB

  • MD5

    68712f1f2be90cd683b8ba6764086575

  • SHA1

    50d4aa9e2bf67a2eda73fc42da161b731abb5117

  • SHA256

    40c8376a50a1b89af73aba46d959d14b5b1964accbbf6983066bbf57224f5d8f

  • SHA512

    65648965d160eadc7c1205209bda3a5192729a92c17ee0badb9fce089d7afabef68ba6470b327054ed282016d55e96e11215f284136305621efc6a8bf18b334d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rajalakshmi.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    009_DESign1*

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.DownLoader36.37393.26064.19069.exe.log
    MD5

    bc181569bfb12333eadc1b311b8ef6a8

    SHA1

    484f86149c2097035e15c64ccdde228dc6327ccd

    SHA256

    8181aed2cbe92d7abcce9baa6008d0265a6b0279e4cfa99c00da1a3558173587

    SHA512

    aa3f436cc27bc720dc7aac09023c97f8bb26dd0b9975d13fd54e58907839a9420d60feaaf067490354bab72be54a9cf0c4faa92bf34c05f6ca537e1b66f4a45f

  • memory/580-3-0x0000000000200000-0x0000000000201000-memory.dmp
    Filesize

    4KB

  • memory/580-5-0x00000000049F0000-0x00000000049F1000-memory.dmp
    Filesize

    4KB

  • memory/580-6-0x0000000004C50000-0x0000000004C51000-memory.dmp
    Filesize

    4KB

  • memory/580-7-0x0000000002320000-0x0000000002361000-memory.dmp
    Filesize

    260KB

  • memory/580-8-0x0000000006DA0000-0x0000000006DA1000-memory.dmp
    Filesize

    4KB

  • memory/580-9-0x0000000005340000-0x0000000005341000-memory.dmp
    Filesize

    4KB

  • memory/580-10-0x0000000005310000-0x0000000005311000-memory.dmp
    Filesize

    4KB

  • memory/580-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/3468-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3468-12-0x000000000043730E-mapping.dmp
  • memory/3468-14-0x0000000073560000-0x0000000073C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/3468-19-0x0000000005090000-0x0000000005091000-memory.dmp
    Filesize

    4KB

  • memory/3468-20-0x0000000005210000-0x0000000005211000-memory.dmp
    Filesize

    4KB

  • memory/3468-21-0x0000000005D70000-0x0000000005D71000-memory.dmp
    Filesize

    4KB

  • memory/3468-24-0x0000000005091000-0x0000000005092000-memory.dmp
    Filesize

    4KB