Analysis

  • max time kernel
    103s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 00:35

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 2 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 1 IoCs

    Password recovery tool for various web browsers

  • A potential corporate email address has been identified in the URL: [email protected]
  • A potential corporate email address has been identified in the URL: [email protected]
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 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 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 3 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 11 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\Joined.exe
      "C:\Users\Admin\AppData\Local\Temp\Joined.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3924
      • 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:5068
      • 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:740
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c A.exe /stext A.txt
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1612
          • 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:3316
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c B.exe /stext B.txt
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2104
          • 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:4048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\db[2].htm

    Filesize

    130B

    MD5

    5c7bdb6d1feae88c0723af3a6059c1df

    SHA1

    7567c5f0eb078fd62d1c31503f3371beb6d4fb2e

    SHA256

    e506a1525cdb992490aaea897b3c7888b487bf76a268462decb93a6bff0bfde8

    SHA512

    815b7b53669132b5cb628c47f2fc7001d31041792e21fb70262dcfed6dee6c72f0817637a96972d4e332bc39170faf3adc193b25ef1f7d0955ea1d2d0137de4b

  • 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

    4KB

    MD5

    60a0bdc1cf495566ff810105d728af4a

    SHA1

    243403c535f37a1f3d5f307fc3fb8bdd5cbcf6e6

    SHA256

    fd12da9f9b031f9fa742fa73bbb2c9265f84f49069b7c503e512427b93bce6d2

    SHA512

    4445f214dbf5a01d703f22a848b56866f3f37b399de503f99d40448dc86459bf49d1fa487231f23c080a559017d72bcd9f6c13562e1f0bd53c1c9a89e73306a5

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

    Filesize

    202KB

    MD5

    a394c0ae6cf5530bb91b37b8bd09c468

    SHA1

    e006c548c39f36630833163fe524887780390dfd

    SHA256

    fd057d11727f14563a5533dd8453d6e3dcbf71862483a15bf8b769a73243a201

    SHA512

    17e9c6f6b3c2b6197216fd132ed54c1d2586c359c42e12915bc256472769f00a4f413f6ac83a784945b9e296d63b6b943f72876cf495569a65ff26c6189748a4

  • 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\TEGBET.exe

    Filesize

    1.1MB

    MD5

    0d3c92669c698947bfe6802e3377d6b3

    SHA1

    dfa9cfe3ea2a12009cfbb4677c3ba2bda9fbe4c8

    SHA256

    983036999b2753ffdb0b94c015d75c8b28fac0aacdd70edb93b77f006de1daff

    SHA512

    84275ba50366fc30c1f8b099f583058c52075f62b4c2f5692054fce965609a9e363c6991cf196d17ea6a7ae2dbfa464912a4b82b07b39b86875ad0a6a7a3bd4e

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

    Filesize

    168KB

    MD5

    3d4e1ba5dff5595ef8e0d54a27f14099

    SHA1

    9abecbe019c452afbe02bca27c013586746971df

    SHA256

    14b654ba9d68e4a0ad8293a359dc4c382899cebf246ae7e6504d21e54437c009

    SHA512

    1d4e7c97d7d5ad618dd9459d486eee2768edc426659b66d4ef63dd2e065637313fb55c0ed273df14e56ea8facff1462ab1649c0aeeac454f359ba70357df8026

  • memory/740-32-0x00000000009D0000-0x0000000000C1C000-memory.dmp

    Filesize

    2.3MB

  • memory/740-147-0x00000000009D0000-0x0000000000C1C000-memory.dmp

    Filesize

    2.3MB

  • memory/740-93-0x00000000009D0000-0x0000000000C1C000-memory.dmp

    Filesize

    2.3MB

  • memory/740-108-0x00000000009D0000-0x0000000000C1C000-memory.dmp

    Filesize

    2.3MB

  • memory/3316-38-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/3316-46-0x0000000000400000-0x0000000000483000-memory.dmp

    Filesize

    524KB

  • memory/3924-31-0x0000000000400000-0x000000000053A18B-memory.dmp

    Filesize

    1.2MB

  • memory/3924-7-0x0000000000400000-0x000000000053A18B-memory.dmp

    Filesize

    1.2MB

  • memory/4048-143-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/4048-146-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/5068-34-0x0000000000160000-0x0000000000190000-memory.dmp

    Filesize

    192KB

  • memory/5068-61-0x0000000006840000-0x00000000068DC000-memory.dmp

    Filesize

    624KB

  • memory/5068-51-0x0000000006970000-0x0000000006B32000-memory.dmp

    Filesize

    1.8MB

  • memory/5068-50-0x0000000006750000-0x00000000067A0000-memory.dmp

    Filesize

    320KB

  • memory/5068-49-0x00000000066A0000-0x00000000066AA000-memory.dmp

    Filesize

    40KB

  • memory/5068-48-0x0000000006490000-0x0000000006522000-memory.dmp

    Filesize

    584KB

  • memory/5068-43-0x0000000004C30000-0x0000000004C96000-memory.dmp

    Filesize

    408KB

  • memory/5068-35-0x00000000051E0000-0x0000000005784000-memory.dmp

    Filesize

    5.6MB