Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 05:41

General

  • Target

    202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe

  • Size

    918KB

  • MD5

    7500401571915dbba590ebf8c4f5cba0

  • SHA1

    88a67d4db4205fb5b63f796be56da4dd898160ed

  • SHA256

    202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677

  • SHA512

    f8d996850925fa5e5503c2faf736b60a4c42ed9a0346c84b6ccc4c00e76fbfc6bae4dbd2506dd41c59bcbca5b9367aa9a6b7e9874d9fb530abe4ba9b8a5f56e9

  • SSDEEP

    1536:i4OObhOhTPs3mK+rOMRsngTMj5qwYpslkOXoicUb:i4zbhWleMQyMtVSslZXoi9

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\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe
    "C:\Users\Admin\AppData\Local\Temp\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.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:1692
    • C:\Windows\SysWOW64\taskcompr.exe
      C:\Windows\SysWOW64\taskcompr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5012
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins4006.bat "C:\Users\Admin\AppData\Local\Temp\202bb667aec1a62b88b364dbad41c09d164e79b32a5f1823a633ced8bf9fd677.exe"
      2⤵
        PID:2948

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~unins4006.bat

      Filesize

      49B

      MD5

      9e0a2f5ab30517809b95a1ff1dd98c53

      SHA1

      5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

      SHA256

      97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

      SHA512

      e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

    • C:\Windows\SysWOW64\taskcompr.exe

      Filesize

      308KB

      MD5

      bf47171acc372d42c92cb5a2333b9ff0

      SHA1

      60586dc14c9ab969e96c7850efaac709852bcefa

      SHA256

      9e2716ab111fc7a675e15bf6e73e111b807468be55c4a54734068eb8022440a3

      SHA512

      1e58a28f599c4184c31571aa1d745704895f30d0c62e0ff81114f4c6a2351d5e8d3873d2ef77fa4a42915609a00463c384957e3b4dd420f9ae609432d968055c

    • C:\Windows\SysWOW64\taskcompr.exe

      Filesize

      308KB

      MD5

      bf47171acc372d42c92cb5a2333b9ff0

      SHA1

      60586dc14c9ab969e96c7850efaac709852bcefa

      SHA256

      9e2716ab111fc7a675e15bf6e73e111b807468be55c4a54734068eb8022440a3

      SHA512

      1e58a28f599c4184c31571aa1d745704895f30d0c62e0ff81114f4c6a2351d5e8d3873d2ef77fa4a42915609a00463c384957e3b4dd420f9ae609432d968055c

    • memory/1692-138-0x0000000000800000-0x00000000008D2000-memory.dmp

      Filesize

      840KB

    • memory/1692-147-0x0000000000868000-0x00000000008D1000-memory.dmp

      Filesize

      420KB

    • memory/1692-139-0x0000000000868000-0x00000000008D1000-memory.dmp

      Filesize

      420KB

    • memory/1692-140-0x0000000000801000-0x0000000000868000-memory.dmp

      Filesize

      412KB

    • memory/1692-150-0x0000000000868000-0x00000000008D1000-memory.dmp

      Filesize

      420KB

    • memory/1692-137-0x0000000000800000-0x00000000008D2000-memory.dmp

      Filesize

      840KB

    • memory/1692-136-0x0000000000710000-0x0000000000779000-memory.dmp

      Filesize

      420KB

    • memory/1692-132-0x00000000001C0000-0x00000000001D0000-memory.dmp

      Filesize

      64KB

    • memory/1692-133-0x0000000000800000-0x00000000008D2000-memory.dmp

      Filesize

      840KB

    • memory/1692-148-0x0000000000801000-0x0000000000868000-memory.dmp

      Filesize

      412KB

    • memory/5012-146-0x0000000074040000-0x00000000745F1000-memory.dmp

      Filesize

      5.7MB

    • memory/5012-149-0x0000000074040000-0x00000000745F1000-memory.dmp

      Filesize

      5.7MB