Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 12:46

General

  • Target

    53e3fbb16fd2f27921f27bf66bfcec3211f15bf8a246c1c4fd0776c79faf9a1bN.exe

  • Size

    2.3MB

  • MD5

    4e41edbb07a20f4dd929c464c93a5400

  • SHA1

    6e2d9221b6b72e078f7db98f4f9f21cdca0780a5

  • SHA256

    53e3fbb16fd2f27921f27bf66bfcec3211f15bf8a246c1c4fd0776c79faf9a1b

  • SHA512

    fd0720799dac75f56416f152c75b95e1092ba16edf6f4b498e1e831cafef0da6c2b05c00164126cd4db221d876244cf3e36cd61818dad1183c48c53c558bb280

  • SSDEEP

    49152:Gjvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:GrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 12 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53e3fbb16fd2f27921f27bf66bfcec3211f15bf8a246c1c4fd0776c79faf9a1bN.exe
    "C:\Users\Admin\AppData\Local\Temp\53e3fbb16fd2f27921f27bf66bfcec3211f15bf8a246c1c4fd0776c79faf9a1bN.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:2884
    • 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:3040
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 904
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    b5855810ba47683da7bcae4bbc92ca82

    SHA1

    8d7c47d01d7a0206da9e9ac5fd4aa483bf184bdc

    SHA256

    7edb390ddbbc1b395a3e964aa98a3a64aa730dc6875215b1c32bc0e16922f841

    SHA512

    68c226d3a99ee840795f094d0b9894ea7485816fa1562a56214320eb48abf6e1745c39464492f2773ba7669a65fa1a1aa52c7ddcfa867e78081bc0d55ff58015

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    4753aa431681ce91bd937ea14b58aaef

    SHA1

    034736463145b78017bf5f77c047970131efe818

    SHA256

    3f1c1c30c8e9a12b52fc5160766ff89a6524a2e99d4409075895c2244e4e0e2c

    SHA512

    415ae3aac5ed60d995afd328fc3f09a31b36ef1c966a4ad6b5016094d3f8762646f8f7b76fcf74aeaeb25a264647e352e50ada741384552d92e6be8062f9c0e5

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    2903b773fdabccba1c0a8e4f3f524fa9

    SHA1

    80a1a7a746af591cd41a3f96055867c1908531b3

    SHA256

    d367ce61d6571f762db6699a8ed71cb1b8dd249230ea331b9b629342274a7533

    SHA512

    fb4b851d311c58229c6ebc39c8a75c5d8b73b6f2946d09b77ab08402ce869274df07b7f2d219e1fefab6d95f2ac1b1c41c9fa86af28cae0202324d8064cfa692

  • \Windows\SysWOW64\smnss.exe

    Filesize

    2.3MB

    MD5

    3c0dcbfbcc4bcab76a08f8d75fc45642

    SHA1

    670d085c97d7d5b2fad9f9caba3fdb6e93d4e59e

    SHA256

    a1b8abfa73d5d6ec0924e34da1d0c75bfc1735d1250747cc9398de2964a690b8

    SHA512

    5816fc35baa90202c2517d4e525f31a9a08af8dd135bd3a6e52e75bf67cb06d099d46aa39fcb10dfe079f1aa44d005b6af6e28d3d7ac9818dd92b97569a51dca

  • memory/2472-45-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2472-37-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2472-52-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2472-46-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2472-47-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2472-48-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2472-36-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2472-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2884-33-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2884-20-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2884-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2884-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2884-35-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2884-13-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2884-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3040-28-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB