Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

  • max time kernel
    119s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2023 06:32

General

  • Target

    20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe

  • Size

    872KB

  • MD5

    cb55913897674cdaf13edb11d97d2425

  • SHA1

    780496e20b9b74ac0e17caa982ec7a73410fe54e

  • SHA256

    20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d

  • SHA512

    aa230dc3134e5b7e7bd4b275cb6ad6f71ff3ab16161b8ddfcaa45c28e37914228580dd6dc30415801d18fd19f1e7a96b7f8723f0d216e352c1385537e3b26003

  • SSDEEP

    12288:cTWVcMpDPv1q9I6/kldSCGDyaod+ik4g8y3SoDSXL8d8TZnIZZpYb/WTzVP/ZlBJ:cIrbvOPW2rEloDe/IZie9nZl+

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.corroshield.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sulastri2011

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
    "C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\20d1c1183762918f8077963504cb6971ff65352a34197d534a4d40fe68e0c97d.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1552-70-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-72-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-64-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-65-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-76-0x0000000074830000-0x0000000074F1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1552-75-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/1552-60-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-74-0x0000000074830000-0x0000000074F1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1552-77-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/1552-68-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1552-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2012-54-0x0000000000C10000-0x0000000000CF0000-memory.dmp

    Filesize

    896KB

  • memory/2012-55-0x0000000074830000-0x0000000074F1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2012-56-0x0000000000220000-0x000000000022A000-memory.dmp

    Filesize

    40KB

  • memory/2012-73-0x0000000074830000-0x0000000074F1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2012-59-0x0000000000680000-0x00000000006D4000-memory.dmp

    Filesize

    336KB

  • memory/2012-58-0x0000000006EB0000-0x0000000006EF0000-memory.dmp

    Filesize

    256KB

  • memory/2012-57-0x0000000074830000-0x0000000074F1E000-memory.dmp

    Filesize

    6.9MB