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Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 01:27

General

  • Target

    298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf.exe

  • Size

    743KB

  • MD5

    a85eaf7608028104f08c0f8ec6d8b7bd

  • SHA1

    0e97331d7995df24cd66791042ade4f95bf5736b

  • SHA256

    298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf

  • SHA512

    861770828ac3e07ec7e6e0faf43b196c7f2eeebee055194e96fb293c7b829001263c577a6408d5e87720b027d643946cf1fee718c0b82ff4fb3ba2c30c0a0753

  • SSDEEP

    6144:bWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9Dk:bz7IFjvelQypyfy7z6u7+4Dv9Dk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf.exe
    "C:\Users\Admin\AppData\Local\Temp\298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Roaming\app.exe
      "C:\Users\Admin\AppData\Roaming\app.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Users\Admin\AppData\Roaming\app.exe
        "C:\Users\Admin\AppData\Roaming\app.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2836
      • C:\Users\Admin\AppData\Roaming\My.RawFile.exe
        "C:\Users\Admin\AppData\Roaming\My.RawFile.exe"
        3⤵
        • Executes dropped EXE
        • 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:2468
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1740
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabBF2.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1E89.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\My.RawFile.exe

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

  • \Users\Admin\AppData\Roaming\app.exe

    Filesize

    749KB

    MD5

    02da5569b1f00e57357be8a7827b34c0

    SHA1

    e70d4289ec405caa49a7ccc00c9877cb9f3fb86b

    SHA256

    ffdc8fedc31490b25acd8c223247d42c1414bddc9faa7934ab48c57e6e22b614

    SHA512

    6c61983da1ff5358ce8d922db11020cb6790ca077bcfda807d19c2ca5c960a2f814029973535a33ff167b169fb7f53e05cc5616a6c5cd810c8d6ff9e3ceb175e

  • memory/1740-74-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1740-64-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-66-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-73-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-68-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-70-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1740-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2104-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-10-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-9-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-23-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-22-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-28-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

    Filesize

    4KB

  • memory/2944-41-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-39-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-31-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-40-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-42-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-90-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-91-0x00000000744E0000-0x0000000074A8B000-memory.dmp

    Filesize

    5.7MB