Analysis

  • max time kernel
    55s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2022 08:45

General

  • Target

    a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe

  • Size

    1.2MB

  • MD5

    4f1404f0cd64737fc1585cba8dababf2

  • SHA1

    b340afc67cf286b03772f9b181856fb26dfe6d75

  • SHA256

    a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77

  • SHA512

    60859eb5a45b469a35e897a8bf45abd482ad1f70ae1dd59f49ff31b5214c2bd673b13343e0b36dfb14b5995bb22480040a116ed359e0d32cbbd74f6020785263

  • SSDEEP

    24576:dB05WtKffA1F4Bv0h01xxPTa7Wk8bxVhwtDNagZYalPxe3jtD/VdM5:dB05rY+v0hwTa6k8KdAgZK3j5/Vc

Score
8/10
upx

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe
    "C:\Users\Admin\AppData\Local\Temp\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe
      "C:\Users\Admin\AppData\Local\Temp\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe" --crash-reporter-parent-id=1460
      2⤵
      • Loads dropped DLL
      PID:1948
    • C:\Users\Admin\AppData\Local\Temp\Opera Installer\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe
      "C:\Users\Admin\AppData\Local\Temp\Opera Installer\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Opera Installer\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe

    Filesize

    1.2MB

    MD5

    4f1404f0cd64737fc1585cba8dababf2

    SHA1

    b340afc67cf286b03772f9b181856fb26dfe6d75

    SHA256

    a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77

    SHA512

    60859eb5a45b469a35e897a8bf45abd482ad1f70ae1dd59f49ff31b5214c2bd673b13343e0b36dfb14b5995bb22480040a116ed359e0d32cbbd74f6020785263

  • \Users\Admin\AppData\Local\Temp\Opera Installer\a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77.exe

    Filesize

    1.2MB

    MD5

    4f1404f0cd64737fc1585cba8dababf2

    SHA1

    b340afc67cf286b03772f9b181856fb26dfe6d75

    SHA256

    a14e8053aa833fb02bac649f61003b96fe2133c1b00d344ae5ed15933bd71a77

    SHA512

    60859eb5a45b469a35e897a8bf45abd482ad1f70ae1dd59f49ff31b5214c2bd673b13343e0b36dfb14b5995bb22480040a116ed359e0d32cbbd74f6020785263

  • \Users\Admin\AppData\Local\Temp\Opera_installer_202212224540627.dll

    Filesize

    1.6MB

    MD5

    1323f211a6d8901c0f62c2bcd95068a1

    SHA1

    837c9d21dac46046547cc9fd0e0a5a379e337264

    SHA256

    e3e0a271f75b70ae6460024d0f613f9975e40c987eb16dc1b744058b97131029

    SHA512

    37d933304aacb7c0d0b4430f6595324b4bca388e65487dca1f722e6f539034b072a4c2f3825f5db9df8077c30fcfe79364af37184b81bbde288ea422dc509d3d

  • \Users\Admin\AppData\Local\Temp\Opera_installer_202212224541270.dll

    Filesize

    1.6MB

    MD5

    1323f211a6d8901c0f62c2bcd95068a1

    SHA1

    837c9d21dac46046547cc9fd0e0a5a379e337264

    SHA256

    e3e0a271f75b70ae6460024d0f613f9975e40c987eb16dc1b744058b97131029

    SHA512

    37d933304aacb7c0d0b4430f6595324b4bca388e65487dca1f722e6f539034b072a4c2f3825f5db9df8077c30fcfe79364af37184b81bbde288ea422dc509d3d

  • \Users\Admin\AppData\Local\Temp\Opera_installer_20221222454171.dll

    Filesize

    1.6MB

    MD5

    1323f211a6d8901c0f62c2bcd95068a1

    SHA1

    837c9d21dac46046547cc9fd0e0a5a379e337264

    SHA256

    e3e0a271f75b70ae6460024d0f613f9975e40c987eb16dc1b744058b97131029

    SHA512

    37d933304aacb7c0d0b4430f6595324b4bca388e65487dca1f722e6f539034b072a4c2f3825f5db9df8077c30fcfe79364af37184b81bbde288ea422dc509d3d

  • memory/1460-55-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

    Filesize

    8KB

  • memory/1460-65-0x0000000000E60000-0x0000000001097000-memory.dmp

    Filesize

    2.2MB

  • memory/1460-66-0x00000000024A0000-0x00000000026D7000-memory.dmp

    Filesize

    2.2MB

  • memory/1460-68-0x0000000002BD0000-0x0000000002E07000-memory.dmp

    Filesize

    2.2MB

  • memory/1948-56-0x0000000000000000-mapping.dmp

  • memory/1948-67-0x0000000000E60000-0x0000000001097000-memory.dmp

    Filesize

    2.2MB

  • memory/2036-60-0x0000000000000000-mapping.dmp

  • memory/2036-64-0x0000000000330000-0x0000000000567000-memory.dmp

    Filesize

    2.2MB