Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 20:57

General

  • Target

    8d43d6e83e3e4e27709e9b298454d540N.exe

  • Size

    2.3MB

  • MD5

    8d43d6e83e3e4e27709e9b298454d540

  • SHA1

    8374062e516d45b49314c94295b6e68babf7204c

  • SHA256

    77d02f50be339f580420634f4ec6d2b21d0d55b9bee558a36a99680265b0418b

  • SHA512

    e7721d79c4c90c86346512ec1d69c8bcda2aa57594030d0fa9645a081d2ee95d8ed8b1c4455788f12796f864518140187f6113809c192b73f1a0f5ead64c7f8b

  • SSDEEP

    49152:Jjvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:JrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

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 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\8d43d6e83e3e4e27709e9b298454d540N.exe
    "C:\Users\Admin\AppData\Local\Temp\8d43d6e83e3e4e27709e9b298454d540N.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:2020
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3432
      • 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:5036
  • 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=4276,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
    1⤵
      PID:1444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\ctfmen.exe

      Filesize

      4KB

      MD5

      7962f18f86f25843aedb58a7f1f1a65d

      SHA1

      0248399b715f8989abcd6f67a496623e737b002c

      SHA256

      5283ff90816e56b5494bdb3b8811a50f2dffb9d072afbf6fc86b2f5dbffeda91

      SHA512

      26ccf15eb429368365073ea95b8b4e5b9144324eb1f5574bfaebfe40fb7bd1009ba1b1f610b0fb42c8eb28c24624f614206854400f13f98c9caa3ceee8c96d51

    • C:\Windows\SysWOW64\grcopy.dll

      Filesize

      2.3MB

      MD5

      6ea625f07c681950f1a0605af9a132ad

      SHA1

      f86f9be8b4fd44e8d6a8485ac4ccda1bb19bf4f8

      SHA256

      b4d493c7d1cd709860d460e70f6d32c3b466986367cc0de59ba4113b8ee7474f

      SHA512

      6cb5b7e5afdcf5022eab792315dd2a0fedeb3ea74b693972909070e87a47f245457a677d33cf03d753a2a6a80fb790b2d3ddfb2e0448e9f336db571651dadbdf

    • C:\Windows\SysWOW64\satornas.dll

      Filesize

      183B

      MD5

      0bebfc143c6529e94949f7476d0e9183

      SHA1

      a8ebd543c7d245fbbb34f199dce8c8066882b6df

      SHA256

      34ed791fa98c75dcdd36644c616e59970c9cc138309a5968a3fed2df2e82e5b9

      SHA512

      7362e3917e35295a5ab1178596ea5fac3a1bf47f232e3a1fd354c617d6648e33545cd6c141e65c7cc0178efdb1985781d8353754073b0da7fc7f38b70abcc179

    • C:\Windows\SysWOW64\shervans.dll

      Filesize

      8KB

      MD5

      da9fd10cf6e5baa730b65427784dc698

      SHA1

      6197d0f206522e8f2f9ff050f2a82ac432e5a0ae

      SHA256

      91384a44abca3e1330c7f32a1a4c802678bff00e336194040b0926b085211cd7

      SHA512

      c3bf77a7e18f635d1cdf641c496635b9ed45b030fc0be5bf9b5a163f6bb9a16c9ed6363ed7860d2609ee011f35f7e83e40e301eed9fc5a6ebd786b7334828146

    • memory/2020-24-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2020-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2020-14-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2020-27-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/2020-23-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/2020-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/3432-25-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5036-40-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-48-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-34-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/5036-31-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-43-0x000000007FA70000-0x000000007FE41000-memory.dmp

      Filesize

      3.8MB

    • memory/5036-41-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-42-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/5036-44-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-46-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-38-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/5036-50-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-52-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-54-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-56-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-58-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-60-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB

    • memory/5036-62-0x0000000000400000-0x0000000000DCE000-memory.dmp

      Filesize

      9.8MB