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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 01:22

General

  • Target

    c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3.exe

  • Size

    758KB

  • MD5

    c0badb30377bb7b29f79c59c73b663d6

  • SHA1

    ec45f650580b5904eb02163948a5372c96fe5dc7

  • SHA256

    c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3

  • SHA512

    eed04791a3a726d617bfdfbfa7c67a44cb268258b4810c93d3c5b8497db56efe6ee56cb6db0a1e465f975e235463d078aea905e9ae0cd7877b0fde72e05e464e

  • SSDEEP

    6144:ZWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9D21:Zz7IFjvelQypyfy7z6u7+4Dv9D21

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\c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3.exe
    "C:\Users\Admin\AppData\Local\Temp\c27037d26569c3f6f8e9ef13a0a5c1dea881768744739c8f1b4c8c10fb2f30a3.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:2316
    • 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:2680
      • 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:1528
      • 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:2488
      • 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:2648
      • 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:1208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    5893db7579d6d2decaa2f52973128a9d

    SHA1

    92c36fa1c7d166e301273a8934756d0668a5d47b

    SHA256

    1752fde25023040d3e6db03d357acfa25b7cd08c0b8ac72959b3e0a7c593ba34

    SHA512

    2729479bb7a1d27905d9c63eb3b05841775b92e345652bb0670c5030b2535b4b419056333fc74e333a111064e7c1e330adb999aff89948e2d873c3b9a1bb0838

  • C:\Users\Admin\AppData\Local\Temp\Cab9CBC.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarAC28.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    764KB

    MD5

    234555c4013b16e6fea29cf7a897cb6d

    SHA1

    6a6329b2a2cf904510826cdb0899dd82d9ef9572

    SHA256

    34c04d3dd31caa77fdcca1f54bd825cb0eed390776484670d354bf8b02be5647

    SHA512

    9d4fd6f0e6315e3fa35db5880b54505ac5814f6a3562cb0f5eb1e9a39f565231c7525317106c8a1e4a5343c556134d64a86f498108efec78caf60c7fb041e435

  • memory/1208-86-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1208-88-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1208-90-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1208-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1208-98-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1208-101-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1208-94-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2316-30-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-1-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-11-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-12-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-24-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2316-0-0x00000000749D1000-0x00000000749D2000-memory.dmp

    Filesize

    4KB

  • memory/2648-66-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2680-32-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-33-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-43-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-55-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-42-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-102-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-105-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-106-0x00000000749D0000-0x0000000074F7B000-memory.dmp

    Filesize

    5.7MB