Analysis

  • max time kernel
    155s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 13:19

General

  • Target

    66bc4b0b11087a5dd161e963855a33732995a813cb6f0f378c0d11243fea4e88.exe

  • Size

    937KB

  • MD5

    7134a1722cbd998c909dff2845bfb870

  • SHA1

    0dc66b95dab209cb8b0e356cb6331500d0cd33b0

  • SHA256

    66bc4b0b11087a5dd161e963855a33732995a813cb6f0f378c0d11243fea4e88

  • SHA512

    dd491f949cc650f4e8e36c05861fd24d7e5edb06d9c780096a51ad7ae8d33d87822bcc6747d831073d29141db45c2cd94e7e08890b2c50b97873f5258aad4e7a

  • SSDEEP

    3072:v+ntgmYoFdQMQ4WCMKF9Z0Z253tRjF7yj:64oFdQMtcKvZ0ZgtNs

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66bc4b0b11087a5dd161e963855a33732995a813cb6f0f378c0d11243fea4e88.exe
    "C:\Users\Admin\AppData\Local\Temp\66bc4b0b11087a5dd161e963855a33732995a813cb6f0f378c0d11243fea4e88.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Windows\SysWOW64\setupclnm.exe
      C:\Windows\SysWOW64\setupclnm.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4884
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins7559.bat "C:\Users\Admin\AppData\Local\Temp\66bc4b0b11087a5dd161e963855a33732995a813cb6f0f378c0d11243fea4e88.exe"
      2⤵
        PID:2116

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~unins7559.bat

      Filesize

      49B

      MD5

      9e0a2f5ab30517809b95a1ff1dd98c53

      SHA1

      5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

      SHA256

      97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

      SHA512

      e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

    • C:\Windows\SysWOW64\setupclnm.exe

      Filesize

      289KB

      MD5

      2704381e7feb477149116c88e157554c

      SHA1

      9b9b7a0450bb26d9f73db15df06ab988860ffe5e

      SHA256

      4ae45d4cc1d8f43021b344ced2e6c673bdebc711413d07afc3512e08cccaef6d

      SHA512

      0118e8f04a09008d01124312a55df277812237e8357021260a417a765bfc77a5fbb63b3ababf6594e363f366bf339e1d0db2e8bfdf244f142f744ad642fd632e

    • C:\Windows\SysWOW64\setupclnm.exe

      Filesize

      289KB

      MD5

      2704381e7feb477149116c88e157554c

      SHA1

      9b9b7a0450bb26d9f73db15df06ab988860ffe5e

      SHA256

      4ae45d4cc1d8f43021b344ced2e6c673bdebc711413d07afc3512e08cccaef6d

      SHA512

      0118e8f04a09008d01124312a55df277812237e8357021260a417a765bfc77a5fbb63b3ababf6594e363f366bf339e1d0db2e8bfdf244f142f744ad642fd632e

    • memory/1328-138-0x0000000002180000-0x00000000021E4000-memory.dmp

      Filesize

      400KB

    • memory/1328-148-0x0000000002253000-0x00000000022B7000-memory.dmp

      Filesize

      400KB

    • memory/1328-139-0x0000000002253000-0x00000000022B7000-memory.dmp

      Filesize

      400KB

    • memory/1328-140-0x00000000021F1000-0x0000000002253000-memory.dmp

      Filesize

      392KB

    • memory/1328-151-0x0000000002253000-0x00000000022B7000-memory.dmp

      Filesize

      400KB

    • memory/1328-137-0x00000000021F0000-0x00000000022B8000-memory.dmp

      Filesize

      800KB

    • memory/1328-136-0x00000000021F0000-0x00000000022B8000-memory.dmp

      Filesize

      800KB

    • memory/1328-132-0x0000000000640000-0x0000000000650000-memory.dmp

      Filesize

      64KB

    • memory/1328-133-0x00000000021F0000-0x00000000022B8000-memory.dmp

      Filesize

      800KB

    • memory/1328-147-0x0000000002180000-0x00000000021E4000-memory.dmp

      Filesize

      400KB

    • memory/1328-149-0x00000000021F1000-0x0000000002253000-memory.dmp

      Filesize

      392KB

    • memory/4884-146-0x0000000073970000-0x0000000073F21000-memory.dmp

      Filesize

      5.7MB

    • memory/4884-150-0x0000000073970000-0x0000000073F21000-memory.dmp

      Filesize

      5.7MB