Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2023 01:52

General

  • Target

    c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe

  • Size

    833KB

  • MD5

    1680c36ba32de652263ecbea2da37f3e

  • SHA1

    d94d86320691dd007d88d4c7c3a4000d6f785ab2

  • SHA256

    c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d

  • SHA512

    22d06e5a00d9063909b987e1549e5848fc47e4811eebe72765972404f0bb9adf029ce2b5e674903d2b762d119566352237bca3bd7e8f142b32cbfd3de5157a80

  • SSDEEP

    12288:Q5x1wCDwhjBiRynxZxn+SoSgYCiWCzY8wHU83Cfl/5KSDPr5uCdef:GoIRaZF+SobYv/R83y/5LDMCdef

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wcoil.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Largoo11!

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
    "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
      "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
      2⤵
        PID:4268
      • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
        "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe.log

      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

    • memory/1524-5-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/1524-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

      Filesize

      584KB

    • memory/1524-12-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/1524-4-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

      Filesize

      624KB

    • memory/1524-1-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-6-0x0000000005A00000-0x0000000005A44000-memory.dmp

      Filesize

      272KB

    • memory/1524-7-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

      Filesize

      40KB

    • memory/1524-8-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/1524-13-0x0000000004CF0000-0x0000000004D00000-memory.dmp

      Filesize

      64KB

    • memory/1524-10-0x0000000006AB0000-0x0000000006AB6000-memory.dmp

      Filesize

      24KB

    • memory/1524-11-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-2-0x0000000005200000-0x00000000057A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1524-9-0x0000000006900000-0x000000000691A000-memory.dmp

      Filesize

      104KB

    • memory/1524-17-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-0-0x00000000005D0000-0x00000000006A6000-memory.dmp

      Filesize

      856KB

    • memory/3572-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3572-19-0x0000000005480000-0x00000000054E6000-memory.dmp

      Filesize

      408KB

    • memory/3572-18-0x0000000005160000-0x0000000005170000-memory.dmp

      Filesize

      64KB

    • memory/3572-20-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/3572-23-0x0000000006830000-0x0000000006880000-memory.dmp

      Filesize

      320KB

    • memory/3572-24-0x0000000005160000-0x0000000005170000-memory.dmp

      Filesize

      64KB

    • memory/3572-25-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB