Analysis

  • max time kernel
    152s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 03:18

General

  • Target

    7bf6adbb8b951fd2137938ceb752d14be2b6d3db57abb390be7e730dd642c4a6.exe

  • Size

    124KB

  • MD5

    62d6773471c9b09045042b22d38da2f0

  • SHA1

    71e39af932f6f6f14be2c14254e0cff24351cba4

  • SHA256

    7bf6adbb8b951fd2137938ceb752d14be2b6d3db57abb390be7e730dd642c4a6

  • SHA512

    e9a2d89ca86d31cd0be6fa4fa810c3ab952640328cea3bee083ce6632b3a30f8c197f01053b872cc2bffcfc337f41a7f791f9474ea509b6b08b4ba9e6cd0e049

  • SSDEEP

    1536:hAsz/5YlDUhRO/N69BH3OoGa+FLHjKKvRgrkOSodPNeG0h/y:KGBYehkFoN3Oo1+FvkScIq

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 51 IoCs
  • 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\7bf6adbb8b951fd2137938ceb752d14be2b6d3db57abb390be7e730dd642c4a6.exe
    "C:\Users\Admin\AppData\Local\Temp\7bf6adbb8b951fd2137938ceb752d14be2b6d3db57abb390be7e730dd642c4a6.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\khnah.exe
      "C:\Users\Admin\khnah.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\khnah.exe

    Filesize

    124KB

    MD5

    b435b73788acf902bb0b95ba76b7a616

    SHA1

    908e32d38e2c03c46ad3c6a54f53966ae7f7408f

    SHA256

    eed8d49863b01b2c0f95d89781875af50c79863fb5c1a972116fc2bc37ba65fb

    SHA512

    9c8896a1ecea36a3a6053e690f6ed5bde5485bde1f8c34b8038ad4bf9add9b877910acc4903166995604b918bf26e7115cacb82299f14cca1738d8e445b9e3a9

  • C:\Users\Admin\khnah.exe

    Filesize

    124KB

    MD5

    b435b73788acf902bb0b95ba76b7a616

    SHA1

    908e32d38e2c03c46ad3c6a54f53966ae7f7408f

    SHA256

    eed8d49863b01b2c0f95d89781875af50c79863fb5c1a972116fc2bc37ba65fb

    SHA512

    9c8896a1ecea36a3a6053e690f6ed5bde5485bde1f8c34b8038ad4bf9add9b877910acc4903166995604b918bf26e7115cacb82299f14cca1738d8e445b9e3a9

  • \Users\Admin\khnah.exe

    Filesize

    124KB

    MD5

    b435b73788acf902bb0b95ba76b7a616

    SHA1

    908e32d38e2c03c46ad3c6a54f53966ae7f7408f

    SHA256

    eed8d49863b01b2c0f95d89781875af50c79863fb5c1a972116fc2bc37ba65fb

    SHA512

    9c8896a1ecea36a3a6053e690f6ed5bde5485bde1f8c34b8038ad4bf9add9b877910acc4903166995604b918bf26e7115cacb82299f14cca1738d8e445b9e3a9

  • \Users\Admin\khnah.exe

    Filesize

    124KB

    MD5

    b435b73788acf902bb0b95ba76b7a616

    SHA1

    908e32d38e2c03c46ad3c6a54f53966ae7f7408f

    SHA256

    eed8d49863b01b2c0f95d89781875af50c79863fb5c1a972116fc2bc37ba65fb

    SHA512

    9c8896a1ecea36a3a6053e690f6ed5bde5485bde1f8c34b8038ad4bf9add9b877910acc4903166995604b918bf26e7115cacb82299f14cca1738d8e445b9e3a9

  • memory/1352-59-0x0000000000000000-mapping.dmp

  • memory/1504-56-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB