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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 6 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 8 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:2352
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2292
      • 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:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    e364cccdab4916321073bb8ab6ea886d

    SHA1

    27eadad6a269539ea4f5ac7d6478322f77205d5f

    SHA256

    c39c419599b52853bcdada036bd9505ba26eb96e33f7c742625626ce1e1e7d01

    SHA512

    004e6a83e3943319f4da5aa477992890081d593b2ecd39c0b8e311fe18eab96a7d7ca3dc55d7b764fd671eca155acc8629e87d6cc1a6a4925f783fe101a7261f

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    2.3MB

    MD5

    6f41010eede96b35ec0225611873b474

    SHA1

    a067c2ecfbdfa8479850368b5ed1f418c212599c

    SHA256

    9cebbb80e176603c756f3da91dfbfa1605b0f189780a887eacdb3465ef11890a

    SHA512

    3bd9b53ab26b873da99ee7a044ff231c3e5e4948d0c66702c954efdcad0e119de225cd710bfd730f6a9adaf692e8dc4161dfb2a34a6c933949d728ffe4828764

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    25ac6984db4801831e71faca2bc532ba

    SHA1

    b6a88de4d6d28b37168205f67c5e07cffa951d34

    SHA256

    b6250fe2d5b4acf3c36a0929206d8b2b3d6388547c2110d12dc9bd2c05de55ec

    SHA512

    bdce11aae7cb3e62aa4ac5a45516b87ee50b42efdeabb0e4349913d6f5fa40c22494f26f06c4396aebcf858d30bc839325014c36ddd1f5ecf3479e7604d9e60f

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    6561b03e4d338e02e461fc61433cfc58

    SHA1

    bd845fcd5a92c39363edc41028100cd6f5f3085b

    SHA256

    f0efeb50233559f6e2f275b9a9d25dcfc69215e5f59968edbee743e6d00644ba

    SHA512

    5cbb2387da0fba806e982e7a069037f1196c88bbcc4acc7b150fcdc4b276c776b2b645dae9a1694fc32d208bfd0ad1105ba5730d3b6c6e210015b4dea3de2975

  • memory/2292-34-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2352-13-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2352-28-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2352-29-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2352-26-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2352-20-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2352-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2352-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2352-37-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2456-44-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2456-54-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-36-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-46-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-49-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2456-47-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-48-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2456-50-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-52-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-38-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2456-56-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-58-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-60-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-62-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-64-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-66-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2456-68-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB