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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 01:05

General

  • Target

    d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7.exe

  • Size

    749KB

  • MD5

    f9996e1326b6c7d98700e194e0129aa3

  • SHA1

    2854efb45ecf8cd2390c8caef1b9649faf34c4f2

  • SHA256

    d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7

  • SHA512

    89d7a306c805cdaaf85d92682b8e769bcaa0e588864cd0f356488cec82150c9f381774cc85f4d4fa7c26a6b6cb8acbd5cb535e486df424a54c40b2801209e211

  • SSDEEP

    6144:VWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1372z:Vz7IFjvelQypyfy7z6u7+4D372z

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\d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7.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:2604
    • 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:2872
      • 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:1736
      • 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:2432
      • 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:2012
      • 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:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c81b5a472d91362fb7f4bee9f024d62c

    SHA1

    2b325d86eac3bce659f83903e0e7157b6ce38558

    SHA256

    e9d5114c60f4a7d9d2b5e11675ff2b3d57ecbf9a7e79475f17da29a33bf11d72

    SHA512

    080d588b9846aa641a32f82b33071fb784a0ad1c7c6243254e163009a5ab113632ce0aee26d278b422039863bb9b429d6bc3eba152e7c15100fbcde109c4e2df

  • C:\Users\Admin\AppData\Local\Temp\CabCEC4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDC8B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    755KB

    MD5

    8920ba4f3bdb34e7d6eaa1fdaefee2ff

    SHA1

    43aa6211bd888acce38ea3ee9a1dffff9e18281f

    SHA256

    2e3d04bc9aeaa710ee8b5eb3c09e4c684c96674898a69a31f268e225f3ace346

    SHA512

    92f424a90f232e0ce2df3eca2085832111301af19469e6faeefcfde16d72c649eca2ae93c3a4d91e50ccde80efe7945f6751e1efdde2956ab16d69b19f1faaab

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

  • memory/2012-73-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-77-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2012-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2012-78-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2604-1-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-0-0x0000000074931000-0x0000000074932000-memory.dmp

    Filesize

    4KB

  • memory/2604-2-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-26-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-25-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-12-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-13-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-33-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-44-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-35-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-34-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-45-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-91-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-94-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-95-0x0000000074930000-0x0000000074EDB000-memory.dmp

    Filesize

    5.7MB