Analysis

  • max time kernel
    130s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    01-08-2020 19:29

General

  • Target

    SecuriteInfo.com.BackDoor.SpyBotNET.25.8385.6362.exe

  • Size

    1.1MB

  • MD5

    f108e175cc7040b532b626a53fab0467

  • SHA1

    514fea1fd4c8225ba1bdcc6773a3b3a22fb4c6d1

  • SHA256

    6cae4157fa881aeff07106782955aa3f021032121f66b3c1af060265cd20d126

  • SHA512

    5b5fc3016a15a4aa4d8f5b4d3af4e00eccc8d0eeb748f3d850642c0f54dd4c09c4b3a249fff3ee45f9ebf7e20a6cb7c1d12e7bed117f508c033cf624f78473b3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.qatarpharmas.org
  • Port:
    587
  • Username:
    mic@qatarpharmas.org
  • Password:
    {[g(XaBNF%aJkU*U72

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.8385.6362.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.8385.6362.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IigZpZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C2E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1388
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SpyBotNET.25.8385.6362.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1376

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2C2E.tmp
    MD5

    d2e497e185218b1e8ca3b7a305f529d2

    SHA1

    03fb43b541ad0542e7e27fd3b18b58a8919c06d1

    SHA256

    422f24dcaf78c28818a5421ff3174a4a547d40a14551bac376602c6ff4fd4d4a

    SHA512

    34570a8bf5cd457a5722e17255388d27f25e19a61d4d11f4dedeec96b7f8e7fcf5f4c8a4cd31d6f40b8d0c675fdb5dc5449caa7f514728205e56f1a6e629c2c5

  • memory/1376-4-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1376-5-0x000000000044582E-mapping.dmp
  • memory/1376-6-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1376-7-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

  • memory/1388-2-0x0000000000000000-mapping.dmp
  • memory/1496-1-0x0000000000000000-0x0000000000000000-disk.dmp