Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:25

General

  • Target

    61352802789defec49acc018b1d534a0f36ba97c4486876de06fb2d7ff352b33.exe

  • Size

    879KB

  • MD5

    dcb87d6a698acfaa3c8c63e0a7851c48

  • SHA1

    05f6d08e5550ba2d1481e940e38c7cf4703b3292

  • SHA256

    61352802789defec49acc018b1d534a0f36ba97c4486876de06fb2d7ff352b33

  • SHA512

    4f5408d7aeef783e8c3e1ab3f835f2d0c3eb3aa24e542cbb176ad04e24698cd17d1c078d6c564563a1f87aa323998ad7554e7c51576cddf51f9cf3b8a441b754

  • SSDEEP

    6144:1tT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rT7D:n6u7+487IFjvelQypyfy7T7D

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\61352802789defec49acc018b1d534a0f36ba97c4486876de06fb2d7ff352b33.exe
    "C:\Users\Admin\AppData\Local\Temp\61352802789defec49acc018b1d534a0f36ba97c4486876de06fb2d7ff352b33.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:1756
    • 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:2788
      • 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:2692
      • 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:2052
      • 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:2096
      • 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:2580

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

    17603cc46f6edb3a72bfbd61ce82c2eb

    SHA1

    a27decb1df15d9cbd9dd24aedebd5f2a49662ee7

    SHA256

    bf634f10e2a740a02aea233b672ed16e4c6cf715d2e893939e5415fa9b0c9a12

    SHA512

    e3b36b52c551b7fee4ebeaf790eee5494e393b1c64fa036e19eb68bb36cb42a933002957945d93c32eab48159b36269f35c8cb358cf273b7f3e36a69aa04d0eb

  • C:\Users\Admin\AppData\Local\Temp\Cab1803.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar25D9.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

    885KB

    MD5

    1f1face1557e894fa514aedf56d1e104

    SHA1

    41716058a9e434778b3748692e3d29ddf47788f6

    SHA256

    bc1ab179af6546e2952ad0343501bd14a2c086e191f1760a426763012047dcc5

    SHA512

    d96c006f50bef1e81f1f067cdffde6494ba9a20c87b7f64f092696729c468f2110dd2b59ffd36c1c2c9f37e70fd19eb27a369625a28cadf4e020203f2d3337fc

  • memory/1756-32-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-11-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

    Filesize

    4KB

  • memory/1756-25-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-8-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-13-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/1756-12-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-66-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-68-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-70-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-72-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-87-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-86-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2096-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-84-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2788-44-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-33-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-34-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-43-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-90-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-93-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-94-0x0000000074DD0000-0x000000007537B000-memory.dmp

    Filesize

    5.7MB