Analysis

  • max time kernel
    95s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 10:50

General

  • Target

    202409071570e083f752001536b68694ef464704bkransomware.exe

  • Size

    1.4MB

  • MD5

    1570e083f752001536b68694ef464704

  • SHA1

    ff45e1727d3146f61c8cd437fee9d9ccc3c5d057

  • SHA256

    b6123559a74d83caabc9c15508c32afe5e202800ab8056896fd9cd2a9bf03fb1

  • SHA512

    18a0e118b015c8d908180e65816318918de96a22cce17194976ade6e9b23dfaca318214a7dd7cb47ede0f76d80695553dad51e144b7c59b0b2b399a1b8033646

  • SSDEEP

    24576:E30XJ529+RipvL1SXk1QE1RGOTnIEQc4au9NgxnHNnkv+IFT5:EEW9+ApwXk1QE1RzsEQPaxHN8n

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
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202409071570e083f752001536b68694ef464704bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\202409071570e083f752001536b68694ef464704bkransomware.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 732
        3⤵
        • Program crash
        PID:1708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 5092
    1⤵
      PID:2004

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Documents and Settings\tazebama.dl_

            Filesize

            151KB

            MD5

            330bf7399c385ca93a53f90e1ea5e2c7

            SHA1

            9fa1fb65691848277297f91c930bf1032961111d

            SHA256

            253d47febe50818b80646d16bd64e99db90e411dce0c677b5c5687e188c278c8

            SHA512

            6023ff5680fb59284fed819fac0cb43aa065957336f0c47eab8b6ad81968e8a0a21b4cfb9384678138c2f1927c7cdb937902388ccd720ee264def94bbabc813a

          • C:\Users\tazebama.dll

            Filesize

            32KB

            MD5

            b6a03576e595afacb37ada2f1d5a0529

            SHA1

            d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

            SHA256

            1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

            SHA512

            181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

          • C:\autorun.inf

            Filesize

            126B

            MD5

            163e20cbccefcdd42f46e43a94173c46

            SHA1

            4c7b5048e8608e2a75799e00ecf1bbb4773279ae

            SHA256

            7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e

            SHA512

            e5ac0ff6b087857799ab70f68067c9dc73eeb93ccfcad87047052380b95ade3e6eb2a7d01a0f850d548a39f4b1ebb60e299d603dbe25c31b9a3585b34a0c65a8

          • C:\zPharaoh.exe

            Filesize

            151KB

            MD5

            53757af79767485192c870cdfa010e67

            SHA1

            19f76f27275ec8fbf50ece9102b234568af2c82d

            SHA256

            85d989be784be06f93e5a8da6168685e73b950d9f9b71b767fe514623125b5b5

            SHA512

            0b55caee2e81d68e00e8c4037e113e44ce0e1f0b56e83c20c3ea9c28e2607c03ee73b250a43029f0132a394a482309c4fd5821e1e9e09632b56f3e545e228a83

          • F:\zPharaoh.exe

            Filesize

            151KB

            MD5

            e682921741fb2ae67f44c0de2b99d070

            SHA1

            d0b5bf7fab5a4ef3988a588eb624841abc2cc6b3

            SHA256

            8af3e60c413ac10023dbb54884c2bc694bf5e160e83ae6cb94f233be8f22b8a5

            SHA512

            0e320596fa67f96c0590f3f04c02aa796e6c5ad12449d887d60d94f907418117c0bdb96432bb2cadbb28a0c9402aef09b675cc08c189a1aa5dc1306d640984f3

          • memory/4016-0-0x0000000000400000-0x000000000054B000-memory.dmp

            Filesize

            1.3MB

          • memory/4016-8-0x0000000000416000-0x0000000000422000-memory.dmp

            Filesize

            48KB

          • memory/4016-10-0x0000000000400000-0x000000000054B000-memory.dmp

            Filesize

            1.3MB

          • memory/4016-40-0x0000000000400000-0x000000000054B000-memory.dmp

            Filesize

            1.3MB

          • memory/5092-11-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/5092-39-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB