Analysis

  • max time kernel
    165s
  • max time network
    219s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 20:40

General

  • Target

    5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe

  • Size

    530KB

  • MD5

    177b3d7d64ac023bde01a509e01dff08

  • SHA1

    36047dec729256edb148d290675921ab0b8c52a2

  • SHA256

    5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6

  • SHA512

    27c65ec3cf2acc7b486162bdc1720a02c1035e59f724a2adb434c008ebf1da06875703fd06a756667f8d4dade9de6acbe2ba424cd371ca9c0d8a8e012863cecf

  • SSDEEP

    12288:QQdl/7YkrWBfWhvRhQU3145vnvAr0NTT/6Xf6:QQv/7DSBfWh3145PI0lT/6S

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe
    "C:\Users\Admin\AppData\Local\Temp\5ab797e4e4dd304a083f2c3c1ac127b3b4cd262b2f11e8189678dbb82a52a6f6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 732
        3⤵
        • Program crash
        PID:3828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 4920
    1⤵
      PID:4884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Documents and Settings\tazebama.dl_

      Filesize

      149KB

      MD5

      62581b8a5ab32b97a19e8335936a6413

      SHA1

      6be9d576bd257c6d7af66913a245e6bfc187fc95

      SHA256

      edb0dfe7a60fe4497e95163ccd5797dbefb73814cddd9026ece71086af976298

      SHA512

      89af009b6ed04407c65fd00bef95679ced140141486fa6b4cb5323d0b58945c123755fd139ba9280382f5f29bef6126b5e47c740d399fdcef7b707d0fa7e2510

    • C:\Users\tazebama.dl_

      Filesize

      149KB

      MD5

      62581b8a5ab32b97a19e8335936a6413

      SHA1

      6be9d576bd257c6d7af66913a245e6bfc187fc95

      SHA256

      edb0dfe7a60fe4497e95163ccd5797dbefb73814cddd9026ece71086af976298

      SHA512

      89af009b6ed04407c65fd00bef95679ced140141486fa6b4cb5323d0b58945c123755fd139ba9280382f5f29bef6126b5e47c740d399fdcef7b707d0fa7e2510

    • C:\Users\tazebama.dll

      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • memory/2236-132-0x000000004AD00000-0x000000004AD61000-memory.dmp

      Filesize

      388KB

    • memory/2236-137-0x000000004AD00000-0x000000004AD61000-memory.dmp

      Filesize

      388KB

    • memory/4920-138-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/4920-139-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB