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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/10/2024, 21:08

General

  • Target

    3308c4ccc6d47897e9f8ac4b351aabec981af60571d6080a72c84609fcb436adN.exe

  • Size

    119KB

  • MD5

    8df3c43e9ae0714a620a4f22c8169810

  • SHA1

    47dcddf24b66f2299c846342d186bccf58d87b79

  • SHA256

    3308c4ccc6d47897e9f8ac4b351aabec981af60571d6080a72c84609fcb436ad

  • SHA512

    c840b325018eef8c32018d3121824db480b6bd8a601630b12697d1a891f041c95acbfc3f2fb2e82e4c0e3ecf098b9ee6fe192fe5c7b561d17ed32be45adff3f8

  • SSDEEP

    3072:zOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:zIs9OKofHfHTXQLzgvnzHPowYbvrjD/E

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 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3308c4ccc6d47897e9f8ac4b351aabec981af60571d6080a72c84609fcb436adN.exe
    "C:\Users\Admin\AppData\Local\Temp\3308c4ccc6d47897e9f8ac4b351aabec981af60571d6080a72c84609fcb436adN.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:4676
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4792
      • 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:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    4cab5c9e7837f7741bc67bfa774aa828

    SHA1

    d26510bd0e88d8f04b8f1c2940732738db60f11f

    SHA256

    a3071ae49cd31e5d7851e7687d6b2c3b525fa984feab71083a8a443c6a6a3f35

    SHA512

    65eaeb2772f1fd6f392db4363da8fd0faf6f6fb76ed46a03fcd34cafb4b6dab2f8066c43c4ab20bc85191d745823061f6bdc161f462d659f78468694a01842a8

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    119KB

    MD5

    0f2079b97cc7bed9a92064a6247c3ab8

    SHA1

    4c9a8f13266cef8f9446bc6acdf8ff67d3368f3a

    SHA256

    6de416af134d950801a82020e36482e0325840fd17c0e118bc471efb5842c5a3

    SHA512

    468bbbf241467f79654360823637b211c2129e08ca48b19165b0e715c7443f3c958fcd256434a4bba4a420bf11228a1f2a1cbc6085aa80ac7e70162e1914f190

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    a0af425eb4fbdbb8cbbb98a87704b01e

    SHA1

    450c82697c155987782590158f0c6d13ce160514

    SHA256

    efb22cdd9e73800b41874175f07773ec1db90880ae8dbd7a0391228f3913f7b5

    SHA512

    79e92d5b04b61b5f985ff22327f09bc325dc755c584cf7945b456e464e713ef272a574131ad06e8c7f2403f77cd343f3e43c259b29410971a86ab844434348c2

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    03f4766f6499af4e72936863bba3324c

    SHA1

    9ef1f4634ee0819906f87d3db9e1fc91ea686ad0

    SHA256

    28326f68696e4a4c42e38af460d9bd2cb6d176cd37160dbc3f910e0e7ccde524

    SHA512

    68c569b29d4d5950f9eb6bead34aea8abcf14dacb5958d40e64ed02821fd0ac16d0458e9788aa66f0bfbf134cea98b653536a215ebc04f634339d9f16f9bfef6

  • memory/2308-28-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2308-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2308-39-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2308-37-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4676-24-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4676-23-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4676-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4676-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4792-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4792-21-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB