Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:14

General

  • Target

    94975fe621437bc551de379ca5db04f88554915fa00e95a8595116a5e91d35cd.exe

  • Size

    804KB

  • MD5

    4c69f8efcb6f5641aa8e3ea9f5adfcb8

  • SHA1

    794a0d95878a7c4f66ea4c11301ee9fa56605ec2

  • SHA256

    94975fe621437bc551de379ca5db04f88554915fa00e95a8595116a5e91d35cd

  • SHA512

    078dd4ca6fca6a06153498fea75622c10d4cf2d15cd6e073362284ba1c365de79fec268bcd5096a9fb8fe410ab9f3ac30d491bc6f95050d2aabb2b5ce3c379ff

  • SSDEEP

    6144:UtT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rcnKkL:Q6u7+487IFjvelQypyfy7cnKkL

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\94975fe621437bc551de379ca5db04f88554915fa00e95a8595116a5e91d35cd.exe
    "C:\Users\Admin\AppData\Local\Temp\94975fe621437bc551de379ca5db04f88554915fa00e95a8595116a5e91d35cd.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:2980
    • 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:2828
      • 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:2232
      • 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:1636
      • 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:476
      • 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:2844

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

    0d501504e497e53006b4a89fbfe7e3a5

    SHA1

    233ec17f588d606338a9c6cb841d5850c2edbfba

    SHA256

    1ecdc712068419fd5dd8afa42809c9d92d7000a3bd9dea2d120714ab75d4a24e

    SHA512

    7b5af16486063463c4173ff9cb648124be7645cb052726e305252a4cda4483a197bb713eff940ac930554d8acc7156a30706580b3c19beb8f62679a979071c71

  • C:\Users\Admin\AppData\Local\Temp\CabA795.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB52D.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

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

    Filesize

    810KB

    MD5

    c0bb9855a60feba5f470407c58873a6f

    SHA1

    874397486c42f5b65e31565f1b78e70c1fd796a7

    SHA256

    9ac9fd7187984b00379098cdb2a3524581809278cd8c5145d39f9e1509cb6dd3

    SHA512

    20a5b055853abef4f3b3934d77e453f7d37cebfe7fee7b1f2d912b8ede0ff4fc0e5c1ce24a7bbc8d2ac7f6715b3dbb963293a9da9b74f089be0314754188245a

  • memory/476-73-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/476-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-77-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-78-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/476-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2828-44-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-45-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-99-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-98-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-97-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-103-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-35-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-34-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2828-102-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2844-93-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2844-96-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2844-89-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2980-12-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-0-0x00000000745F1000-0x00000000745F2000-memory.dmp

    Filesize

    4KB

  • memory/2980-1-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-2-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-26-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-13-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-33-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2980-25-0x00000000745F0000-0x0000000074B9B000-memory.dmp

    Filesize

    5.7MB