Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 00:28

General

  • Target

    22012025_0028_MT103-PAYMENT-SWIFT-COPY_pdf.js

  • Size

    1.6MB

  • MD5

    8b053a72ac93b4201503a64f0bcb8bb1

  • SHA1

    ecde85b491352ea7fc7560e0d485ffd057903579

  • SHA256

    47dc390233a824cf1d15df376a331d55ed9c156a721cc66d0d66f98f667aa04b

  • SHA512

    b533392682c57583edd3ace644ac3ca84f681e10bca169b2d112125f9ec67fce96701d71594a1c3e0df6fa03bbb115c1bce7654613f585c2e583796b9619c8a5

  • SSDEEP

    24576:aEqAFVKYzEynVgmr39ol/uTl+pJqhK0ULElYBZbOG/5v9CjVgwppf+2qQZAqXJBx:aEvBz1J+l/c+ahYLVBZbvSgAN/R/lP

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mucahitaytekin.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oseototo@1010@2

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 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 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\22012025_0028_MT103-PAYMENT-SWIFT-COPY_pdf.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\Joined.exe
      "C:\Users\Admin\AppData\Local\Temp\Joined.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Users\Admin\AppData\Local\Temp\poie.exe
        "C:\Users\Admin\AppData\Local\Temp\poie.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1152
      • C:\Users\Admin\AppData\Local\Temp\TEGBET.exe
        "C:\Users\Admin\AppData\Local\Temp\TEGBET.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2460
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c A.exe /stext A.txt
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2884
          • C:\Users\Admin\AppData\Local\Temp\A.exe
            A.exe /stext A.txt
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2852
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c B.exe /stext B.txt
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:868
          • C:\Users\Admin\AppData\Local\Temp\B.exe
            B.exe /stext B.txt
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    224KB

    MD5

    440028436e4eb1d94fc14b09f5d6224c

    SHA1

    eaee95e001b415026db7aeac9804fb03e65d8caa

    SHA256

    3570596c4b62fee8a80b4cab0ee2ff6c33342d2ceb1b3d9d7d06fa352655d027

    SHA512

    516e7be456337236d2f6b550a5ec8e41590e647a3cfd6894f7dcfe714dd601ba787f88cde55f3ca5fe70d20f3ff72f9b248a0404df582be60ac08701c42c5c8d

  • C:\Users\Admin\AppData\Local\Temp\A.txt

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

    Filesize

    202KB

    MD5

    a394c0ae6cf5530bb91b37b8bd09c468

    SHA1

    e006c548c39f36630833163fe524887780390dfd

    SHA256

    fd057d11727f14563a5533dd8453d6e3dcbf71862483a15bf8b769a73243a201

    SHA512

    17e9c6f6b3c2b6197216fd132ed54c1d2586c359c42e12915bc256472769f00a4f413f6ac83a784945b9e296d63b6b943f72876cf495569a65ff26c6189748a4

  • C:\Users\Admin\AppData\Local\Temp\CabE320.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    1.2MB

    MD5

    4292b2d31a7f8ac80d1807e85c599c5a

    SHA1

    107e5ba72413db93d8738d4885d928e0a187e87f

    SHA256

    fb4acea2a7132e101aaba2fdb735e7350f71c04a151a25dcd865ed493ce53bcd

    SHA512

    f7534c9f26abc5d6bac333ffb2a80c79cfe73ada35c676882189615ad30b76194867721be483ff7e9e46288067d854b8e0bd1490113f117edbef567338279a35

  • C:\Users\Admin\AppData\Local\Temp\TarE343.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\TEGBET.exe

    Filesize

    1.1MB

    MD5

    0d3c92669c698947bfe6802e3377d6b3

    SHA1

    dfa9cfe3ea2a12009cfbb4677c3ba2bda9fbe4c8

    SHA256

    983036999b2753ffdb0b94c015d75c8b28fac0aacdd70edb93b77f006de1daff

    SHA512

    84275ba50366fc30c1f8b099f583058c52075f62b4c2f5692054fce965609a9e363c6991cf196d17ea6a7ae2dbfa464912a4b82b07b39b86875ad0a6a7a3bd4e

  • \Users\Admin\AppData\Local\Temp\poie.exe

    Filesize

    168KB

    MD5

    3d4e1ba5dff5595ef8e0d54a27f14099

    SHA1

    9abecbe019c452afbe02bca27c013586746971df

    SHA256

    14b654ba9d68e4a0ad8293a359dc4c382899cebf246ae7e6504d21e54437c009

    SHA512

    1d4e7c97d7d5ad618dd9459d486eee2768edc426659b66d4ef63dd2e065637313fb55c0ed273df14e56ea8facff1462ab1649c0aeeac454f359ba70357df8026

  • memory/868-105-0x0000000000160000-0x00000000001C5000-memory.dmp

    Filesize

    404KB

  • memory/1152-50-0x0000000000F80000-0x0000000000FB0000-memory.dmp

    Filesize

    192KB

  • memory/2460-40-0x0000000000FD0000-0x000000000121C000-memory.dmp

    Filesize

    2.3MB

  • memory/2460-99-0x0000000000FD0000-0x000000000121C000-memory.dmp

    Filesize

    2.3MB

  • memory/2460-109-0x0000000000FD0000-0x000000000121C000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-64-0x0000000003010000-0x000000000325C000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-36-0x0000000003010000-0x000000000325C000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-37-0x0000000000400000-0x000000000053A18B-memory.dmp

    Filesize

    1.2MB

  • memory/2624-38-0x0000000003010000-0x000000000325C000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-8-0x0000000000400000-0x000000000053A18B-memory.dmp

    Filesize

    1.2MB

  • memory/2852-63-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2852-49-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/2884-47-0x0000000000220000-0x00000000002A3000-memory.dmp

    Filesize

    524KB

  • memory/2884-48-0x0000000000220000-0x00000000002A3000-memory.dmp

    Filesize

    524KB

  • memory/2908-108-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB