Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 19:27

General

  • Target

    e5ccebe5cd19b5fa723fa5cbff666b7663ab351f38661b10a60fba4d048e7a71N.exe

  • Size

    75KB

  • MD5

    ce4a9cd91a8a89a3261303216abb3040

  • SHA1

    49fa86116bae10d77a5cfe8d346c923e03f18a7f

  • SHA256

    e5ccebe5cd19b5fa723fa5cbff666b7663ab351f38661b10a60fba4d048e7a71

  • SHA512

    857ba765810678a4d436d69ac8d20b3a6844209e4fb56b47c68a5dba84cd7347ebd3a9a4be3117992bb3f1882ad2a1c3ec64bf39424cfebe8098015d0421e97b

  • SSDEEP

    1536:ex1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3E:eOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPM

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 3 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
  • 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5ccebe5cd19b5fa723fa5cbff666b7663ab351f38661b10a60fba4d048e7a71N.exe
    "C:\Users\Admin\AppData\Local\Temp\e5ccebe5cd19b5fa723fa5cbff666b7663ab351f38661b10a60fba4d048e7a71N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2328
    • 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:2668
      • 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
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\satornas.dll

          Filesize

          183B

          MD5

          831c9e7cf0b530b04dbfb39638ff6945

          SHA1

          6a14df65ebb1cb83bfcc6d296b5a8d185930270f

          SHA256

          00465c9d027b8450ef233af2c2a5b96cd3947fd97b9dc7a093cd9470098ed262

          SHA512

          b5c677505d30be4b3f30965c8adcb4bf81a2c35c21a2798b42ff75e5ebae0ba62ce89c3236f7dab48c505d9514b2ff6cb28b77bac2af904c661b0e2d8ebed1d9

        • C:\Windows\SysWOW64\smnss.exe

          Filesize

          75KB

          MD5

          af5dde27e428cef59667a7a34e5e5511

          SHA1

          3b3bb7171c151ded8fbdd76824830fa7c5c69f83

          SHA256

          e8e072458fd7b7217cf0f5e2d3ef960be7e6831230cf63c4b16127698729a21c

          SHA512

          5482969b623a7937119408e5daa95a4b77ab3fe6365acf357712880a4cb501631d03d44d351e8148b726762b82651bbd4e38877456fb67a2c3d503b6b7357a3a

        • \Windows\SysWOW64\ctfmen.exe

          Filesize

          4KB

          MD5

          341ef3569195260094df30bf81a77a0c

          SHA1

          4cb323a976d86750a466de27c40db9efd3b708ae

          SHA256

          1a0df3f881e815ba5e50b19db855e479a6fb0bc6858c5818d2bed5ddff9a26a7

          SHA512

          bfe027e5a263a7f8d38764270a2abe75c06bddfd2c8f030a345cfc62628a7a43b280deacec5f9a831c860bf3b93276987e8b46458aa5469523eea96c36e4d393

        • \Windows\SysWOW64\shervans.dll

          Filesize

          8KB

          MD5

          d0fa40769b5705629931cbbb0bcf3618

          SHA1

          20e191a2fb99f8b57cc665bdd640a5a738bb7482

          SHA256

          1e70748f8134d13e1a5ca914993e822f291892964cc505fb2bf4d6cea5fd40d0

          SHA512

          4f2b3c7e2d1a88ceb450c13261b78c8bc88ce4956c5e84c5751d3b739860fb7e8c8b41d4936a11e3043edefc4ca4cf8e99a68ca147887a23f26e0d935c385e0b

        • memory/2328-11-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/2328-25-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/2328-23-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2328-18-0x0000000000340000-0x0000000000349000-memory.dmp

          Filesize

          36KB

        • memory/2572-40-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-41-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/2572-42-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-44-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-46-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-48-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-50-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-54-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-56-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-58-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2572-60-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2668-33-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2668-27-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB