Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 01:20

General

  • Target

    9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a.exe

  • Size

    653KB

  • MD5

    bc9751076c08106ee90ad2ac3f18d30b

  • SHA1

    1f6152fcb18c60cdbbe0548410d626e474e66499

  • SHA256

    9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a

  • SHA512

    261ef472dccef19d749d38bc65b2eaa1b7d9fa8ca64bf9edcbb488d62b3bd4d5e141177fdc2245cbabd5658da02f6d7c3241b51c5d6b5641cf6e5128f40b6d6d

  • SSDEEP

    12288:TV066Ibw8eGnH6rVUO2rzAQnvRTQF15Me0nXiTGYzhqJFTPXdAAb:TXdbw8eGna5UlzM1GpnXiyQhqpAc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.electronmash.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Zanzibar2018

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a.exe
    "C:\Users\Admin\AppData\Local\Temp\9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GtFqyleloVs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1008
    • C:\Users\Admin\AppData\Local\Temp\9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\9b644b568046aea0d3dfad4cd2897f4c42e44176e1f7d1972920203a7135ef4a.exe.log

    Filesize

    774B

    MD5

    049b2c7e274ebb68f3ada1961c982a22

    SHA1

    796b9f03c8cd94617ea26aaf861af9fb2a5731db

    SHA256

    5c69c41dceda1bb32d4054d6b483bb3e3af84c8cf0a6191c79068168a1d506b3

    SHA512

    fb2ee642e1401772d514e86b0b8dd117659335066242e85c158b40e8912572f2bd7b9a0f63f9b9f4d7a2e051579345215f6b1f147881f3d1e78f335c45d78ebf

  • C:\Users\Admin\AppData\Local\Temp\tmp6A2.tmp

    Filesize

    1KB

    MD5

    0f0126d096d30a7d5fb14c975de2b345

    SHA1

    3d096d7ecb9f3c948a6b830950543232066ca259

    SHA256

    233ada289a69faba97bf111a8030d3dca9ef1bdd8e9d29420340079aca852e71

    SHA512

    f6aff4c5dd072b41411993d974c8f9709d12cbfc01b5341281331336769f518b33fbee604738c99a73ca9fa2d3611f23cccee4585c62f142c86296d2a35e0032

  • memory/1624-15-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-13-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-19-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-18-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-17-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1624-16-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/1624-14-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/4380-12-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/4380-3-0x0000000074A62000-0x0000000074A63000-memory.dmp

    Filesize

    4KB

  • memory/4380-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

    Filesize

    4KB

  • memory/4380-1-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/4380-2-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/4380-5-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB

  • memory/4380-4-0x0000000074A60000-0x0000000075011000-memory.dmp

    Filesize

    5.7MB