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Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2023, 22:53

General

  • Target

    99b64fb5afa891594926f40154df1cf5.exe

  • Size

    2.3MB

  • MD5

    99b64fb5afa891594926f40154df1cf5

  • SHA1

    8f0361a9a69d166e36a58cfbc30ac237107b95a9

  • SHA256

    ecb9d6e6bd48f11c73f03c7fa605449eb2828dac1605069b1abc94f6e915dcde

  • SHA512

    d3057a4069a7c42968c995ddf17c95a7487aab6e73a380d96da637b33831f5083d359a76a6dfd9ed2f5ced29d02e4c6dc1c0e65ef84b679e70f1b9806c546437

  • SSDEEP

    49152:acbz6i3uwY1/PHXL0yx8TRv5c/Y8kHlsTg+Y7zKSLpCdLWL1:acbVuw0/ws89Rc/Y8oCg+OzNLpWLQ1

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99b64fb5afa891594926f40154df1cf5.exe
    "C:\Users\Admin\AppData\Local\Temp\99b64fb5afa891594926f40154df1cf5.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\IJdB.cpl",
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\IJdB.cpl",
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4948
        • C:\Windows\system32\RunDll32.exe
          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\IJdB.cpl",
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2228
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\IJdB.cpl",
            5⤵
            • Loads dropped DLL
            PID:3956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IJdB.cpl

    Filesize

    2.1MB

    MD5

    f79ad2db96c20db2a18eb4692c50c108

    SHA1

    c81b568e6950cc0d1da12ce07851dcb0aa09141b

    SHA256

    a2e701e95dfd27857534eb048911045055f950db3ca31760d146c8c7f08fc634

    SHA512

    e4b26d8dda8cfb668fbe5c9cd5025b21b5a816786f1fa999a917d14b1be4cc33c0fbb0ef4f931924c54bcb03cdc460264c30e44af5bcde65df89725adb2e8f40

  • C:\Users\Admin\AppData\Local\Temp\IJdB.cpl

    Filesize

    2.1MB

    MD5

    f79ad2db96c20db2a18eb4692c50c108

    SHA1

    c81b568e6950cc0d1da12ce07851dcb0aa09141b

    SHA256

    a2e701e95dfd27857534eb048911045055f950db3ca31760d146c8c7f08fc634

    SHA512

    e4b26d8dda8cfb668fbe5c9cd5025b21b5a816786f1fa999a917d14b1be4cc33c0fbb0ef4f931924c54bcb03cdc460264c30e44af5bcde65df89725adb2e8f40

  • C:\Users\Admin\AppData\Local\Temp\IJdB.cpl

    Filesize

    2.1MB

    MD5

    f79ad2db96c20db2a18eb4692c50c108

    SHA1

    c81b568e6950cc0d1da12ce07851dcb0aa09141b

    SHA256

    a2e701e95dfd27857534eb048911045055f950db3ca31760d146c8c7f08fc634

    SHA512

    e4b26d8dda8cfb668fbe5c9cd5025b21b5a816786f1fa999a917d14b1be4cc33c0fbb0ef4f931924c54bcb03cdc460264c30e44af5bcde65df89725adb2e8f40

  • C:\Users\Admin\AppData\Local\Temp\IJdB.cpl

    Filesize

    2.1MB

    MD5

    f79ad2db96c20db2a18eb4692c50c108

    SHA1

    c81b568e6950cc0d1da12ce07851dcb0aa09141b

    SHA256

    a2e701e95dfd27857534eb048911045055f950db3ca31760d146c8c7f08fc634

    SHA512

    e4b26d8dda8cfb668fbe5c9cd5025b21b5a816786f1fa999a917d14b1be4cc33c0fbb0ef4f931924c54bcb03cdc460264c30e44af5bcde65df89725adb2e8f40

  • memory/3956-31-0x0000000003570000-0x0000000003661000-memory.dmp

    Filesize

    964KB

  • memory/3956-30-0x0000000003570000-0x0000000003661000-memory.dmp

    Filesize

    964KB

  • memory/3956-27-0x0000000003570000-0x0000000003661000-memory.dmp

    Filesize

    964KB

  • memory/3956-26-0x0000000003460000-0x000000000356C000-memory.dmp

    Filesize

    1.0MB

  • memory/3956-22-0x0000000002D90000-0x0000000002D96000-memory.dmp

    Filesize

    24KB

  • memory/4948-11-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

    Filesize

    24KB

  • memory/4948-20-0x0000000002F20000-0x0000000003011000-memory.dmp

    Filesize

    964KB

  • memory/4948-19-0x0000000002F20000-0x0000000003011000-memory.dmp

    Filesize

    964KB

  • memory/4948-16-0x0000000002F20000-0x0000000003011000-memory.dmp

    Filesize

    964KB

  • memory/4948-15-0x0000000002E00000-0x0000000002F0C000-memory.dmp

    Filesize

    1.0MB

  • memory/4948-12-0x0000000000400000-0x0000000000620000-memory.dmp

    Filesize

    2.1MB