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Analysis

  • max time kernel
    305s
  • max time network
    374s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 02:11

General

  • Target

    07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41.exe

  • Size

    70KB

  • MD5

    36d73da13eb30fc54dc50027d144fd4c

  • SHA1

    af46acd68b79d33b2c3da9a69dc293ba81e3a626

  • SHA256

    07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41

  • SHA512

    e350ce95e6a0195467c1ab0839ef2903477b7707316efc4f227946d0d0e04e9375fc73a5bf50a1c453847cf7895fd964c75a050f941e02b060a0399793d13a91

  • SSDEEP

    1536:7NDZWlNkY/NAfAb42L1d9GJWaFSrUjicgivS3FQjg:7N1WlVCRK9GckSrZPVt

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • UPX packed file 7 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 44 IoCs

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

  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41.exe
    "C:\Users\Admin\AppData\Local\Temp\07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe
      "C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe"
      2⤵
      • Modifies system executable filetype association
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Sets file execution options in registry
      • Drops startup file
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe

    Filesize

    70KB

    MD5

    36d73da13eb30fc54dc50027d144fd4c

    SHA1

    af46acd68b79d33b2c3da9a69dc293ba81e3a626

    SHA256

    07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41

    SHA512

    e350ce95e6a0195467c1ab0839ef2903477b7707316efc4f227946d0d0e04e9375fc73a5bf50a1c453847cf7895fd964c75a050f941e02b060a0399793d13a91

  • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe

    Filesize

    70KB

    MD5

    36d73da13eb30fc54dc50027d144fd4c

    SHA1

    af46acd68b79d33b2c3da9a69dc293ba81e3a626

    SHA256

    07e75cf1ee366094e96d403f6bc02caf9937e36e77eb9a0d0051f31cf5bbdd41

    SHA512

    e350ce95e6a0195467c1ab0839ef2903477b7707316efc4f227946d0d0e04e9375fc73a5bf50a1c453847cf7895fd964c75a050f941e02b060a0399793d13a91

  • C:\Program Files (x86)\Common Files\uiui8.dll

    Filesize

    17KB

    MD5

    bd5a19c3d0ad757b37dcaedce6869d1a

    SHA1

    1d0ac02fab810a042d68e515774d2f420af7c037

    SHA256

    936118b10ccc2682c4382ee5273a61570767a64a8d31dc080528a7efb76872b4

    SHA512

    9ff9d65f5935445f62fc8616fed791233b66dc07ccd52c3e7978895169fb828058bbc88a1d022ebfc27906b92b6a1973e9f19c35494ec6fcdef101c1f7a6cea6

  • C:\Program Files (x86)\Common Files\uiui8.dll

    Filesize

    17KB

    MD5

    bd5a19c3d0ad757b37dcaedce6869d1a

    SHA1

    1d0ac02fab810a042d68e515774d2f420af7c037

    SHA256

    936118b10ccc2682c4382ee5273a61570767a64a8d31dc080528a7efb76872b4

    SHA512

    9ff9d65f5935445f62fc8616fed791233b66dc07ccd52c3e7978895169fb828058bbc88a1d022ebfc27906b92b6a1973e9f19c35494ec6fcdef101c1f7a6cea6

  • memory/2680-136-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2680-138-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2680-141-0x0000000002701000-0x0000000002705000-memory.dmp

    Filesize

    16KB

  • memory/4504-132-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4504-137-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4504-142-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB