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Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 04:10

General

  • Target

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52.exe

  • Size

    228KB

  • MD5

    563e5001ae9d9ddae5e829cba5509630

  • SHA1

    4752c3c1616c1fb6999b5d29119f8a26b8db220a

  • SHA256

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52

  • SHA512

    4fe802c0a9618ea54daa7e93c13be85b7dbb2f0cb45347aa6bc2bad597a04058314b34cfbe5405b34eae840e346f345cdd8d925a681259166e79e52eeee417e8

  • SSDEEP

    3072:oItJVmBl7lZKXxdyMDb7eOTcRLLQ9rkJCXTC+KltZHP:dS9TKBAMypLYqP

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52.exe
    "C:\Users\Admin\AppData\Local\Temp\8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Users\Admin\kevox.exe
      "C:\Users\Admin\kevox.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\kevox.exe

    Filesize

    228KB

    MD5

    563e5001ae9d9ddae5e829cba5509630

    SHA1

    4752c3c1616c1fb6999b5d29119f8a26b8db220a

    SHA256

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52

    SHA512

    4fe802c0a9618ea54daa7e93c13be85b7dbb2f0cb45347aa6bc2bad597a04058314b34cfbe5405b34eae840e346f345cdd8d925a681259166e79e52eeee417e8

  • C:\Users\Admin\kevox.exe

    Filesize

    228KB

    MD5

    563e5001ae9d9ddae5e829cba5509630

    SHA1

    4752c3c1616c1fb6999b5d29119f8a26b8db220a

    SHA256

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52

    SHA512

    4fe802c0a9618ea54daa7e93c13be85b7dbb2f0cb45347aa6bc2bad597a04058314b34cfbe5405b34eae840e346f345cdd8d925a681259166e79e52eeee417e8

  • \Users\Admin\kevox.exe

    Filesize

    228KB

    MD5

    563e5001ae9d9ddae5e829cba5509630

    SHA1

    4752c3c1616c1fb6999b5d29119f8a26b8db220a

    SHA256

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52

    SHA512

    4fe802c0a9618ea54daa7e93c13be85b7dbb2f0cb45347aa6bc2bad597a04058314b34cfbe5405b34eae840e346f345cdd8d925a681259166e79e52eeee417e8

  • \Users\Admin\kevox.exe

    Filesize

    228KB

    MD5

    563e5001ae9d9ddae5e829cba5509630

    SHA1

    4752c3c1616c1fb6999b5d29119f8a26b8db220a

    SHA256

    8c1b4fc32e9961c801ec5fc82aca7d062b2558b1dcb95de6df449b47b5cd1a52

    SHA512

    4fe802c0a9618ea54daa7e93c13be85b7dbb2f0cb45347aa6bc2bad597a04058314b34cfbe5405b34eae840e346f345cdd8d925a681259166e79e52eeee417e8

  • memory/1140-56-0x0000000075F51000-0x0000000075F53000-memory.dmp

    Filesize

    8KB

  • memory/1140-64-0x0000000074111000-0x0000000074113000-memory.dmp

    Filesize

    8KB