Analysis

  • max time kernel
    119s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 01:13 UTC

General

  • Target

    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe

  • Size

    1007KB

  • MD5

    3fdac5be870ce5d0c30c06854203624a

  • SHA1

    616317b2de7a62935c0630439b4bd884e8c79f3e

  • SHA256

    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7

  • SHA512

    686fb0dcd723a1fe005b8d4f0e1d014caf1a9b7eebceffd75b48949f7fce3a32457d215fbbe0d65ef69c98a52b0190cc8feaf90b363cae7ee311344aba7342a9

  • SSDEEP

    12288:UJ4NBFTi6/LSqFb4R7u59FSIogAHpXBoftbQleal:a4NH/LScb4Vu5aIogIpXe6lea

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.almaks.rs
  • Port:
    587
  • Username:
    almaks@almaks.rs
  • Password:
    102Alma03-3
  • Email To:
    chibuike57@proton.me

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 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 3 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).

  • Creates scheduled task(s) 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    "C:\Users\Admin\AppData\Local\Temp\66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XJRRUUSuj.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XJRRUUSuj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CAF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
      "C:\Users\Admin\AppData\Local\Temp\66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688

Network

  • flag-us
    DNS
    api.ipify.org
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    Remote address:
    8.8.8.8:53
    Request
    api.ipify.org
    IN A
    Response
    api.ipify.org
    IN A
    172.67.74.152
    api.ipify.org
    IN A
    104.26.13.205
    api.ipify.org
    IN A
    104.26.12.205
  • flag-us
    GET
    https://api.ipify.org/
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    Remote address:
    172.67.74.152:443
    Request
    GET / HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
    Host: api.ipify.org
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Tue, 16 Apr 2024 01:13:34 GMT
    Content-Type: text/plain
    Content-Length: 14
    Connection: keep-alive
    Vary: Origin
    CF-Cache-Status: DYNAMIC
    Server: cloudflare
    CF-RAY: 87505047286e94f0-LHR
  • flag-us
    DNS
    ip-api.com
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    Remote address:
    8.8.8.8:53
    Request
    ip-api.com
    IN A
    Response
    ip-api.com
    IN A
    208.95.112.1
  • flag-us
    GET
    http://ip-api.com/line/?fields=hosting
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    Remote address:
    208.95.112.1:80
    Request
    GET /line/?fields=hosting HTTP/1.1
    Host: ip-api.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Tue, 16 Apr 2024 01:13:33 GMT
    Content-Type: text/plain; charset=utf-8
    Content-Length: 6
    Access-Control-Allow-Origin: *
    X-Ttl: 47
    X-Rl: 43
  • 172.67.74.152:443
    https://api.ipify.org/
    tls, http
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    1.0kB
    5.4kB
    11
    10

    HTTP Request

    GET https://api.ipify.org/

    HTTP Response

    200
  • 208.95.112.1:80
    http://ip-api.com/line/?fields=hosting
    http
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    264 B
    307 B
    4
    3

    HTTP Request

    GET http://ip-api.com/line/?fields=hosting

    HTTP Response

    200
  • 8.8.8.8:53
    api.ipify.org
    dns
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    59 B
    107 B
    1
    1

    DNS Request

    api.ipify.org

    DNS Response

    172.67.74.152
    104.26.13.205
    104.26.12.205

  • 8.8.8.8:53
    ip-api.com
    dns
    66e4e0b05fbe673afbd9f23ada369eaab823c2ce0285b5004068d6b03e3449e7.exe
    56 B
    72 B
    1
    1

    DNS Request

    ip-api.com

    DNS Response

    208.95.112.1

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7CAF.tmp

    Filesize

    1KB

    MD5

    4d2f18e1f8f234be4d40b22bd8da7f02

    SHA1

    e23d13d94be73e4c1cb95815610d6f8a62e045b4

    SHA256

    9f72de5518282d8e6f7c58346cd76410d331d8b53fcb35bbfb013198d8554c26

    SHA512

    2a48aae986619a196f174b6810a9390aae94727404ce1d9d7be9150751355d454a93d2c10daaab6763378f9e3c276233d172275a9f58e9ecda33b0c94d7a1d9f

  • memory/2112-6-0x0000000004F70000-0x0000000004FF4000-memory.dmp

    Filesize

    528KB

  • memory/2112-2-0x00000000006E0000-0x0000000000720000-memory.dmp

    Filesize

    256KB

  • memory/2112-3-0x00000000002A0000-0x00000000002B2000-memory.dmp

    Filesize

    72KB

  • memory/2112-4-0x0000000000470000-0x0000000000478000-memory.dmp

    Filesize

    32KB

  • memory/2112-5-0x0000000000580000-0x000000000058C000-memory.dmp

    Filesize

    48KB

  • memory/2112-26-0x0000000073E10000-0x00000000744FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-1-0x0000000073E10000-0x00000000744FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-0-0x00000000013B0000-0x00000000014B2000-memory.dmp

    Filesize

    1.0MB

  • memory/2664-33-0x000000006E410000-0x000000006E9BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-32-0x00000000023D0000-0x0000000002410000-memory.dmp

    Filesize

    256KB

  • memory/2664-31-0x00000000023D0000-0x0000000002410000-memory.dmp

    Filesize

    256KB

  • memory/2664-30-0x000000006E410000-0x000000006E9BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-29-0x000000006E410000-0x000000006E9BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-27-0x0000000073E10000-0x00000000744FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-28-0x0000000001290000-0x00000000012D0000-memory.dmp

    Filesize

    256KB

  • memory/2688-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-35-0x0000000073E10000-0x00000000744FE000-memory.dmp

    Filesize

    6.9MB

We care about your privacy.

This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.