Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 19:04

General

  • Target

    8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe

  • Size

    2.3MB

  • MD5

    5402a46941608bd1e81274bfda3d0a4e

  • SHA1

    481fa76b077c03a3cb6c7c9487f54cf2d7d27de4

  • SHA256

    8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2

  • SHA512

    5d5cf8fd3b6d151e287fa2205941b44e6a2abd0d1653f1a71e5c28f6173532471cba7e0bcba7b1d47152de602e59d7da02f8c2ed9cd311b5375fe45d60c69185

  • SSDEEP

    49152:88F4GBYEFMfVrt0HdZyZUKIKp9/bIA3e63wDknToN58zkfwHuVfcu5ZJFKsnfKUv:88F4GBY3dR0HHyZ9p9DIAvADkQ8gfwO7

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
  • 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\8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\8c513119e0fa9d2bb35d1cd6ca8760158c11a2a4f81d4920f2f9b2da68acf3b2.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:552
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2004
      • 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:1148

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\ctfmen.exe

          Filesize

          4KB

          MD5

          9ae67c00dfa914f300b15888575a3250

          SHA1

          1f38aaadb98b4debb7b0870760d1928d115c9072

          SHA256

          92d198c48f2aae6923ca94031ea9c8b81d3f75ca2867db471f9d7b1e8ea25006

          SHA512

          02892829a1e04bafbcfc3e5ca706d2d51049781ec5791a53bc2a3e7e2a0ca5365020558f86ddbe233a2e8e27e260ec249550d3f55af6bbe4150773b3220041b8

        • C:\Windows\SysWOW64\grcopy.dll

          Filesize

          2.3MB

          MD5

          84eb340aec021a91017aa8462ecec964

          SHA1

          e5ae1b9dac031d5a608328d257c58abb5a382293

          SHA256

          201d580e34154f38e645cae024e7266780b85f5a1ff03cbbdd3fabf950744522

          SHA512

          3278306e0e480dd9972e6a88d5523a21e90ddc4cf7815a5f0ac22aa2c3cb4ae8c89aee11e418c0ea5a960187e26acab29ce6243ec45b69a8ee0b061d16b931cb

        • C:\Windows\SysWOW64\satornas.dll

          Filesize

          183B

          MD5

          edbbb80ebc220b3832df1d5ac3852d77

          SHA1

          6e8966128bcd32cfaf7f0080fd9e28c06555f39d

          SHA256

          f1b1f3f289a2aac6260db6b2e2ff7f153f5b4948a321d7dfbed1a3ba1430b9f2

          SHA512

          2099ab1392d29dbf84847fef904a8d9f7285193134e1b988fb4e5fdf479fcc1d340aa74f68d1bd5de66841315a066e472980367ceddf178c551119938ad4502e

        • C:\Windows\SysWOW64\shervans.dll

          Filesize

          8KB

          MD5

          60fc4ae2fcd232dd0fa9b760d1c4c35c

          SHA1

          501ef531b5e134d8f0827dfb2fac13cc07d240ec

          SHA256

          cfb9d3bfaab3fbb626308a1806ab79e4a99be24c5db88e2bde9a95b724ccb06b

          SHA512

          f36de83367faec81a9e31946d709a19db7e28fa57448ee3d01afc448f8cbccdad012bc0611bc86a2339f661a68ff2aa1f8b367be92a507f228ccba8abac1d54f

        • memory/552-25-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/552-30-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/552-14-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/552-0-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/552-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/552-31-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/1148-44-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/1148-46-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-35-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/1148-40-0x0000000010000000-0x000000001000D000-memory.dmp

          Filesize

          52KB

        • memory/1148-64-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-42-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-45-0x000000007FA70000-0x000000007FE41000-memory.dmp

          Filesize

          3.8MB

        • memory/1148-62-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-43-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-33-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-48-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-50-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-52-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-54-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-56-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-58-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/1148-60-0x0000000000400000-0x0000000000DC2000-memory.dmp

          Filesize

          9.8MB

        • memory/2004-22-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2004-28-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB