Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 03:43

General

  • Target

    garanti odeme200524.scr.exe

  • Size

    713KB

  • MD5

    a68f9e8fe3a6b2a073267af477c2bf31

  • SHA1

    96a682c454cfb32ae2928801e89e67b043e47a4e

  • SHA256

    4da3b16ba44f07d99f82116f4a316e47d83862e575a6e4185f504d52e69cc6f5

  • SHA512

    4e283db9f2f7f013b34e37755005f8eea84153d74b3eed513a07fd97ac3bf11c805d4c34ecd68320defe194fde3fb19bd2ff7759659d75dc703bfc51645a60eb

  • SSDEEP

    12288:dU9jA6JPQbRhkYvg86stzDpi4L3HIb66KWlyaiZAuW1md+:AbsPTL3HIb66rsUD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.avtorska.com.mk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    avtorska2014@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\garanti odeme200524.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\garanti odeme200524.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2600

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\CabCBF8.tmp

            Filesize

            68KB

            MD5

            29f65ba8e88c063813cc50a4ea544e93

            SHA1

            05a7040d5c127e68c25d81cc51271ffb8bef3568

            SHA256

            1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

            SHA512

            e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

          • C:\Users\Admin\AppData\Local\Temp\TarCC0B.tmp

            Filesize

            177KB

            MD5

            435a9ac180383f9fa094131b173a2f7b

            SHA1

            76944ea657a9db94f9a4bef38f88c46ed4166983

            SHA256

            67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

            SHA512

            1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

          • memory/2076-23-0x00000000748EE000-0x00000000748EF000-memory.dmp

            Filesize

            4KB

          • memory/2076-1-0x0000000000CB0000-0x0000000000D68000-memory.dmp

            Filesize

            736KB

          • memory/2076-2-0x0000000000560000-0x00000000005A4000-memory.dmp

            Filesize

            272KB

          • memory/2076-3-0x00000000748E0000-0x0000000074FCE000-memory.dmp

            Filesize

            6.9MB

          • memory/2076-4-0x0000000000810000-0x000000000082A000-memory.dmp

            Filesize

            104KB

          • memory/2076-5-0x0000000000680000-0x0000000000686000-memory.dmp

            Filesize

            24KB

          • memory/2076-30-0x00000000748E0000-0x0000000074FCE000-memory.dmp

            Filesize

            6.9MB

          • memory/2076-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

            Filesize

            4KB

          • memory/2076-24-0x00000000748E0000-0x0000000074FCE000-memory.dmp

            Filesize

            6.9MB

          • memory/2600-29-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2600-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2600-25-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2600-27-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/3028-7-0x0000000000090000-0x00000000000D4000-memory.dmp

            Filesize

            272KB

          • memory/3028-8-0x0000000000090000-0x00000000000D4000-memory.dmp

            Filesize

            272KB

          • memory/3028-12-0x0000000000090000-0x00000000000D4000-memory.dmp

            Filesize

            272KB

          • memory/3028-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/3028-10-0x0000000000090000-0x00000000000D4000-memory.dmp

            Filesize

            272KB