Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 01:58

General

  • Target

    507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d.exe

  • Size

    156KB

  • MD5

    30f01cdc26e2db203ea0cae70b9a7570

  • SHA1

    7a4eeee7b88357972064bbaad7cb13b7e231e275

  • SHA256

    507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d

  • SHA512

    f310624bc5200d0373953d59f154384dceca428dc5b521acd6ce7cc73b21741d686ba6c5148de1b2f5a3de81b606de577ee07538e91967ccc00466304bf6ce78

  • SSDEEP

    3072:djm/AL50h01WMh9uethAWKemJfA9v97s8hTFzYj/7:JuI5/sa9FmWwB+ThYr7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    KSN9T9fAXAWh

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d.exe
    "C:\Users\Admin\AppData\Local\Temp\507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Users\Admin\AppData\Local\Temp\winor.exe
      "C:\Users\Admin\AppData\Local\Temp\winor.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:5024
    • C:\Users\Admin\AppData\Local\Temp\507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d.exe
      "C:\Users\Admin\AppData\Local\Temp\507be8a82c6541179b48e932b1da3f2558a48ccf98c3dcb2b38594b29398784d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\winor.exe

    Filesize

    181KB

    MD5

    78681a26cc50aee0bad5df3be683925a

    SHA1

    ff30ae2ed7db52457b855d1c4efadccc955c210d

    SHA256

    c91b10e193d1e052db75f1b020f968ef72b85fe38ce5350ac9ebe05bc1bff65a

    SHA512

    78e20721078a786ecff1f98c7677df2e94268f10941252944a78c9d964200d2ab80190fcb32482cb3408fc23cfe2f2a72e79a7925e8d9cb7897809c7aed8959e

  • memory/112-31-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-17-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-3-0x0000000006540000-0x0000000006776000-memory.dmp

    Filesize

    2.2MB

  • memory/112-4-0x0000000006D20000-0x00000000072C4000-memory.dmp

    Filesize

    5.6MB

  • memory/112-5-0x0000000006870000-0x0000000006902000-memory.dmp

    Filesize

    584KB

  • memory/112-9-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-27-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-21-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-29-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-53-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-55-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-67-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-65-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-63-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-61-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-59-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-57-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-69-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-49-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-25-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-45-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-51-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-43-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-39-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-37-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-35-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-33-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/112-41-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-2-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/112-47-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-23-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-19-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-15-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-13-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-11-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-7-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-6-0x0000000006540000-0x000000000676F000-memory.dmp

    Filesize

    2.2MB

  • memory/112-4886-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/112-4887-0x0000000005CF0000-0x0000000005D60000-memory.dmp

    Filesize

    448KB

  • memory/112-4888-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

    Filesize

    304KB

  • memory/112-1-0x0000000000A70000-0x0000000000A9A000-memory.dmp

    Filesize

    168KB

  • memory/112-4907-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/112-4900-0x0000000006AB0000-0x0000000006B04000-memory.dmp

    Filesize

    336KB

  • memory/2800-4911-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-4906-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2800-4909-0x00000000059C0000-0x0000000005A26000-memory.dmp

    Filesize

    408KB

  • memory/2800-4910-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-4914-0x0000000007080000-0x000000000708A000-memory.dmp

    Filesize

    40KB

  • memory/2800-4913-0x0000000006FD0000-0x000000000706C000-memory.dmp

    Filesize

    624KB

  • memory/2800-4912-0x0000000006EE0000-0x0000000006F30000-memory.dmp

    Filesize

    320KB

  • memory/2800-4917-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-4908-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-4901-0x0000000000620000-0x0000000000650000-memory.dmp

    Filesize

    192KB

  • memory/5024-4905-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-4915-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-4916-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB