Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 22:26

General

  • Target

    8e4dc9331958fe14d7cdc81df302b3c0N.exe

  • Size

    2.3MB

  • MD5

    8e4dc9331958fe14d7cdc81df302b3c0

  • SHA1

    168b6dcf39b9ffe04c67ad993577cdc83c5974b4

  • SHA256

    7e81025ca0acfaaa31d9f4bf49bab1dcfc67a767f80edb4dc83b995397def1d4

  • SHA512

    573adc4c9f800449dbb7b7ea4d2ec153388828232814482ef2ecd8664e82026128a81b1c45a49b5f5876b04cbced17e2d940c26dc61ecabc5a2c755d63a759bf

  • SSDEEP

    49152:d8F4GBYEFMfVrt0HdZyZUKIKp9/bIA3e63wDknToN58zkfwHuVfcu5ZJFKsnfKUn:d8F4GBY3dR0HHyZ9p9DIAvADkQ8gfwOj

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 13 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\8e4dc9331958fe14d7cdc81df302b3c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e4dc9331958fe14d7cdc81df302b3c0N.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:2216
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1160
      • 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:1808
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
    1⤵
      PID:3968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\ctfmen.exe

      Filesize

      4KB

      MD5

      ce9dde2c90b9042283841a8b168f7f64

      SHA1

      1080e7a1c43622f55d8bd282e5cf57fa5aa72a6c

      SHA256

      da812ee77577d0db098c9428ba81362d1769c64da57ceab272da843430e5b636

      SHA512

      3b9119f925012d25a0e55af3d55589d760b7d6a7bba53e612e6a75a1506f6915007a633f002cd34c5f1e8cf2316f2f9c06ebb9aaae1cae65573c488186f0d59a

    • C:\Windows\SysWOW64\grcopy.dll

      Filesize

      2.3MB

      MD5

      dd2758b6ebb45f236274ce9e937ba20e

      SHA1

      d413109f0a8daebce10b17ab8c74abf9120fead2

      SHA256

      49818b5c5de8fd42718d77a081e874aed6ada362c5217917c3fa1a2e56714513

      SHA512

      61fd92c6d15ccfa6742fc78ef606d7d30b0688a7a3c9a6882b7198d23e4a8434b047ab19f4a95f805be73179fdf283b06051d4625b8b86a56b37fcc131b4704c

    • C:\Windows\SysWOW64\satornas.dll

      Filesize

      183B

      MD5

      44c1aa3f6832c5c32199f00180f743df

      SHA1

      2f5531163d73c55c7708624c5cfe5ccebe372f18

      SHA256

      d63b419bed4b0be950cfd90aca91b54887d8b4c568514c57b629159fb774641d

      SHA512

      f82da2d0e1263ad50d99138cb73e7236b876c3f26ac72c35fb824bc46417b9b4d236556dae1285d5f5a0f972eabe88df70c4784be058d671b84cd245b7e3852c

    • C:\Windows\SysWOW64\shervans.dll

      Filesize

      8KB

      MD5

      d6a4eb6ae0c356fafb5e14994128ca3e

      SHA1

      6286c2d19aa1fe5e0880c6e16e4b5f5cd315a13f

      SHA256

      b683f177a3b9cc4ca68c11edebaf0f9a94622fa6886a7534d415880fc6ccdb79

      SHA512

      489794d34949068e9cfeac07727c15302052d3d587edd0a4b63581784b5c5f3fc00b805075327b0dccc2bebb35358c8a624d79e877846d9fbb9533e74a37a6e4

    • memory/1160-22-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/1160-28-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/1808-49-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-43-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/1808-63-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-61-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-59-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-32-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/1808-39-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/1808-57-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-41-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-44-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/1808-55-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-42-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-45-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-47-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-53-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/1808-51-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/2216-0-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/2216-24-0x0000000000400000-0x0000000000DC2000-memory.dmp

      Filesize

      9.8MB

    • memory/2216-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2216-29-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2216-25-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2216-14-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB