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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 01:31

General

  • Target

    25ef9e300c603ac38401bcdc9154024474318a0a97201d618badc995ddeef5df.exe

  • Size

    637KB

  • MD5

    0c5c673b94290adf7458e1e690d01cc9

  • SHA1

    2f5df3a33e2c7f304e01d1d8bad98e8b86aa7f16

  • SHA256

    25ef9e300c603ac38401bcdc9154024474318a0a97201d618badc995ddeef5df

  • SHA512

    2a75442c0f32b8249c0a5fcaa326be8fa077c2e958c163a295d9f6e84a944d7489c05750417fd80df67a13833f60830cd016fe7ab47840e05b8137d5d936ef96

  • SSDEEP

    6144:KWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Am/v1:Kz7IFjvelQypyfy7z6u7+4D37Am/v1

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\25ef9e300c603ac38401bcdc9154024474318a0a97201d618badc995ddeef5df.exe
    "C:\Users\Admin\AppData\Local\Temp\25ef9e300c603ac38401bcdc9154024474318a0a97201d618badc995ddeef5df.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:2572
    • 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:2144
      • 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:1680
      • 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:1656
      • 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:1552
      • 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:1804

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

    5d7409686dbbe179d23600353560fc8c

    SHA1

    1747dcea17abdb0bdee26f8ad2307081b67dfe72

    SHA256

    cd54b32c9fe18673676c07e7ecc7433660c4449259f507f5f92e69cca2c8bcf3

    SHA512

    2d82497e760663485f59d924b53b6d12da6e2838f09de60783bc6ca4302c936253fbbd2da3570936665b436f0218e9bea1ae9ec5dbf0feae9760da2bd65cdc6b

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

    Filesize

    342B

    MD5

    8e80a102292a467980eb6fc5b406fe34

    SHA1

    39277fe4c07faa515c67b56e7ad9f9c8521fc9d9

    SHA256

    ef758447f5acd38bb19edb3123f86e56e11268ae64de2d44ef4c8e067d1c1a51

    SHA512

    1c0ab1357cdf53abc919031f552e25a12ac095a7621dfadeda55ca8a4e47c85b7341326afc9f20f05697b7dbbd8bad9ca76a5cfeb79b9ddc844c08784b87831c

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

    Filesize

    342B

    MD5

    9aa3a87fef971c4ebbc995ead6a89234

    SHA1

    88eee0f562704fb276cf12e1762e7cbf3a5c5fc1

    SHA256

    b43971b81716f41781f83de94c9677314e30f81056a7349794de5116aadf4bff

    SHA512

    b7e42a9d8530c2616efa547132217e37a1b698067a3775dbccd2ccf47df27477a42a1413e7ac8b3aaefc129e4483dd15569da370f4989bbb843058a4a5651baf

  • C:\Users\Admin\AppData\Local\Temp\CabE3EB.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE3FE.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

    642KB

    MD5

    c63ea659be50e3ca78b02a5f78b6d274

    SHA1

    e9b397cfc1b5193bd80e34ee42c8c0f094356e48

    SHA256

    913139b212c0d2af2f64993980138b9b5aa10acaad383c8c10143c8fb1cc3713

    SHA512

    053de39241ac9811957dff0823b8021ebac1b4d6f71ef4eb33857204f1fcccb1549ddf6665678ead0d635df554fab81b64548d08be60f6e717e817735433cf88

  • memory/1804-227-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-223-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-233-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-229-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-231-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1804-225-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-232-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1804-234-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2144-190-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-249-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-167-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-188-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-182-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-181-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-169-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-168-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

    Filesize

    4KB

  • memory/2572-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB