Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 00:58

General

  • Target

    Euro 11,600..Bankasi.exe

  • Size

    446KB

  • MD5

    ad58a309226967471f0573a65e1c02f2

  • SHA1

    95e0e2e3e1a1415f631c7bc4a361731b1022e388

  • SHA256

    06face53825c51be55c3ad20e23c5d4c4f8714208c7edbc96ec3b3999665df46

  • SHA512

    1e62fd1c2a3000399d364ed8e959f84fbc12ee26d4f3bb227a6535bf95b83b9d4e42564f3f3f025ec085fcf8988aadae44db7c4cd5173f136c0e5625898fbb1a

  • SSDEEP

    6144:bC5Mh4dvj2CYhwPDNJvQFeuTEnlNdZPKg9odoin+f79s9ejSXEiXElkHanM53:Th4dvtlDNJvQ4uIbdQd7+KMmEiXtc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.guthrie.com.sg
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    gut.com.sg

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Euro 11,600..Bankasi.exe
    "C:\Users\Admin\AppData\Local\Temp\Euro 11,600..Bankasi.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\evirTHUKyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC71.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2564
    • C:\Users\Admin\AppData\Local\Temp\Euro 11,600..Bankasi.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Euro 11,600..Bankasi.exe.log

    Filesize

    496B

    MD5

    63f1e06722ac68818d178a5f31223361

    SHA1

    5277a57b1eefc420257956ace54a3792443be6ac

    SHA256

    30171a07044d823e8129df3a3ce52f22493b27fe15468593dd461f41d10fac63

    SHA512

    3ff602b636a0b537a872e141b1e5a31cfece8fba454c5279c68a90ab9940625b63768af4b9cd185da6b8505e457839b7432416d62c85d2136ddd14a27e3c6fc5

  • C:\Users\Admin\AppData\Local\Temp\tmpFC71.tmp

    Filesize

    1KB

    MD5

    01273d99e4f1d17f2debf248a76d33e2

    SHA1

    7d1373dd04afc934783f2302ac5d924d9544fdae

    SHA256

    d2b34ad0aeab10c4887bd94465a21dff9693c34d9703789fb3c9f4c70a7cd118

    SHA512

    0a8f651eb488a1da13ef7d8f58b8b8999e249bdcf12202e3d677411d0571e629626f110d5536b9a4df4e0f808d6089c51630b9543d6c9534242d448d68a73ff3

  • memory/3564-8-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3564-13-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3564-11-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3564-14-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3564-21-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3564-22-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-0-0x0000000074792000-0x0000000074793000-memory.dmp

    Filesize

    4KB

  • memory/4524-1-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-2-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-12-0x0000000074790000-0x0000000074D41000-memory.dmp

    Filesize

    5.7MB