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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 00:15

General

  • Target

    d519c673c7184bffd7da4894e22dcbf0N.exe

  • Size

    2.3MB

  • MD5

    d519c673c7184bffd7da4894e22dcbf0

  • SHA1

    33deeb33ca02dcfc27744f1d8b499f27dafeddf2

  • SHA256

    993b1fc5f84fc67d40034fd11ced6b991641026ab05339c119312eaa04ab72c9

  • SHA512

    b9cf99386e74ab9659cbfb0324449f92e42c945bee4bc5d4e068b956b0dd00fb28d8f788b72c444857cb3ed15bba7ee77e46d976d31b097477df686aaadb545d

  • SSDEEP

    49152:Djvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:DrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d519c673c7184bffd7da4894e22dcbf0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d519c673c7184bffd7da4894e22dcbf0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    fc784a3b895d1cbf6d634b58948f9353

    SHA1

    c8f3619313be0e726e795ab7c031281ff71e7992

    SHA256

    cb04e9aa56128686375891f12077c87c0b7f025f2194339851960465a04fa5f4

    SHA512

    4a35a2f761f0791c176b401246349d3ccae87ff69c412bf2ed650ae20914f41427dcf68740ee939a68d8c133f17b02ce09b6bd99fcf32faf353a008d02662c93

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.3MB

    MD5

    b127c12b4bb99165aa2d1814cd45445a

    SHA1

    d0f3eada6e6bea3b8f90840527ae0e42e7cb4135

    SHA256

    2e669e68818b97d9db3708c61043a3fc783c295a3e5e70f37bffd366cb89ed31

    SHA512

    102591b5df0e4dbb1eec50f9a6f23700010c500bd03b403d0b73cd005da97cc050c4172f9c5422d9b44e1af8ab82da477d69acf499ab0f227a0343d9b2e40d16

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    821dea2b906f6f069a5a6ae4872fb228

    SHA1

    588445c7d07160bc9a24d8bf842f3d84ef1b734a

    SHA256

    f3d37242e30e5847e970a0303bb813324eeee52b4b5d5642633ee423b62a97e3

    SHA512

    4cf5a7f2289b8ee2e7c5b71b10b9d737cac452fae6aeaebc80b4c89d1703018fa5ec7244f5f264c45690fb0a052c57a67404a2e1c2b82ac3d568e996897f47c0

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    125a4b95188366151aa0212751733a7d

    SHA1

    6653bae554840552b9d5224d5fb04086cf79680c

    SHA256

    dfeaa9c4e0ebac6ba0557944feb7079e6ceb246a44484d8ad3b397275525ef97

    SHA512

    562da426ecb4b2c9f4b75c1fed84c502c22f165c959c16eeb05b02d8d621078badef52513c5dac820d691582467b19358364b1e8a2754e898bca7983bf8cb566

  • memory/864-51-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-49-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-63-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-61-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-59-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-31-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-57-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/864-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/864-55-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-41-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-44-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/864-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/864-42-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-45-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-47-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/864-53-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4108-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4108-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4108-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4108-23-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4108-28-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4108-27-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4256-24-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB