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Analysis

  • max time kernel
    144s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2023, 08:29

General

  • Target

    ce25d714f9abaa7b25a0ff9c98ffdca1ab932be952264b716f4b5887f438b578.exe

  • Size

    1.5MB

  • MD5

    54f1edc5d105cdd121d697fe2d866f16

  • SHA1

    11a489f32a13d87c039563e4640c958d35878478

  • SHA256

    ce25d714f9abaa7b25a0ff9c98ffdca1ab932be952264b716f4b5887f438b578

  • SHA512

    2fd785739281bfacba1e8575d8691a0ffcf1407c35c205d3bfa627bae8df7164baa53206d643c3ede706cbffb7afed3e001733e949fb1756b39109594db8b231

  • SSDEEP

    24576:WiIy60hvWIUiQjUo7zOh3Dgrf5Ji0uLFNgZCxgCqIwZr64RuVb83QCIi2SX/h8gm:mbzI3DgtJTuLrg2LSReLCI6jNA

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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce25d714f9abaa7b25a0ff9c98ffdca1ab932be952264b716f4b5887f438b578.exe
    "C:\Users\Admin\AppData\Local\Temp\ce25d714f9abaa7b25a0ff9c98ffdca1ab932be952264b716f4b5887f438b578.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\System32\control.exe" .\YRX44.w
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\YRX44.w
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3704
        • C:\Windows\system32\RunDll32.exe
          C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\YRX44.w
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1128
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\YRX44.w
            5⤵
            • Loads dropped DLL
            PID:1532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\YRX44.w

    Filesize

    1.1MB

    MD5

    5c4edc865e3c30aea8ea9211aa42b06c

    SHA1

    a5b68c06155a9bf901e7bc9ff46f76ad63dcfc53

    SHA256

    369c804a46a85483c7c61ea8c48a74d1a85230da23ba5b001b9886d46ec68cce

    SHA512

    e5e1d9476f6ac260a230f1c5be7539f094f37932d78d14a3d0745fd679e51b73d2e2b9fdc556fda989d765b1db629bbdb1ca155b6865fc5930d16503f259c2f2

  • C:\Users\Admin\AppData\Local\Temp\YRx44.w

    Filesize

    1.1MB

    MD5

    5c4edc865e3c30aea8ea9211aa42b06c

    SHA1

    a5b68c06155a9bf901e7bc9ff46f76ad63dcfc53

    SHA256

    369c804a46a85483c7c61ea8c48a74d1a85230da23ba5b001b9886d46ec68cce

    SHA512

    e5e1d9476f6ac260a230f1c5be7539f094f37932d78d14a3d0745fd679e51b73d2e2b9fdc556fda989d765b1db629bbdb1ca155b6865fc5930d16503f259c2f2

  • C:\Users\Admin\AppData\Local\Temp\YRx44.w

    Filesize

    1.1MB

    MD5

    5c4edc865e3c30aea8ea9211aa42b06c

    SHA1

    a5b68c06155a9bf901e7bc9ff46f76ad63dcfc53

    SHA256

    369c804a46a85483c7c61ea8c48a74d1a85230da23ba5b001b9886d46ec68cce

    SHA512

    e5e1d9476f6ac260a230f1c5be7539f094f37932d78d14a3d0745fd679e51b73d2e2b9fdc556fda989d765b1db629bbdb1ca155b6865fc5930d16503f259c2f2

  • C:\Users\Admin\AppData\Local\Temp\YRx44.w

    Filesize

    1.1MB

    MD5

    5c4edc865e3c30aea8ea9211aa42b06c

    SHA1

    a5b68c06155a9bf901e7bc9ff46f76ad63dcfc53

    SHA256

    369c804a46a85483c7c61ea8c48a74d1a85230da23ba5b001b9886d46ec68cce

    SHA512

    e5e1d9476f6ac260a230f1c5be7539f094f37932d78d14a3d0745fd679e51b73d2e2b9fdc556fda989d765b1db629bbdb1ca155b6865fc5930d16503f259c2f2

  • memory/1532-151-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/1532-149-0x0000000002590000-0x00000000026B0000-memory.dmp

    Filesize

    1.1MB

  • memory/1532-150-0x0000000002590000-0x00000000026B0000-memory.dmp

    Filesize

    1.1MB

  • memory/1532-155-0x00000000028D0000-0x00000000029B5000-memory.dmp

    Filesize

    916KB

  • memory/1532-156-0x0000000000C10000-0x0000000000CDE000-memory.dmp

    Filesize

    824KB

  • memory/1532-159-0x0000000000C10000-0x0000000000CDE000-memory.dmp

    Filesize

    824KB

  • memory/1532-160-0x0000000000C10000-0x0000000000CDE000-memory.dmp

    Filesize

    824KB

  • memory/3704-142-0x00000000031E0000-0x00000000032AE000-memory.dmp

    Filesize

    824KB

  • memory/3704-145-0x00000000031E0000-0x00000000032AE000-memory.dmp

    Filesize

    824KB

  • memory/3704-146-0x00000000031E0000-0x00000000032AE000-memory.dmp

    Filesize

    824KB

  • memory/3704-141-0x00000000030F0000-0x00000000031D5000-memory.dmp

    Filesize

    916KB

  • memory/3704-139-0x0000000002A70000-0x0000000002A76000-memory.dmp

    Filesize

    24KB

  • memory/3704-137-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB