Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 22:56

General

  • Target

    87e256490b5c081273aee90295a5f0b5.exe

  • Size

    771KB

  • MD5

    87e256490b5c081273aee90295a5f0b5

  • SHA1

    ffcf50007b05b5624310962dcdc4e66910404667

  • SHA256

    06249c165840c3213a9b2d6dc1b3ded742e1eea635dc25bba53e044faae9d152

  • SHA512

    a0ad075a21c822265807c53679bb57462c2a7102e6a35e071d59a885569610087e2630030ba4011747ca31cfcd344d2e0defca3f1dc4a906cf9982aef9cd7f4c

  • SSDEEP

    24576:BH9Chz/LcJ765/hTeSVb10hJaothZ2/T6FBBB:dA/LPeSZ/ofT

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87e256490b5c081273aee90295a5f0b5.exe
    "C:\Users\Admin\AppData\Local\Temp\87e256490b5c081273aee90295a5f0b5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\87e256490b5c081273aee90295a5f0b5.exe
      C:\Users\Admin\AppData\Local\Temp\87e256490b5c081273aee90295a5f0b5.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1950.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\87e256490b5c081273aee90295a5f0b5.exe

    Filesize

    771KB

    MD5

    1c560cca32d565c6e26de3942600fefd

    SHA1

    a0dfbc3f5d804b8e68fde8be32c72cd0c14852a9

    SHA256

    7cb8fa4f90fc4d6b8d4756e2a3746221cf69bb07d753f1dbd0dd2dde5cbff827

    SHA512

    0d6fd057790a6fb99d5d57921bc64e3d272cfd2de0d94213ce85fe59c63e123373fa95461781c1cf922cf5959276aa6d25ef6853cbcb5bf6685d88724b7f6798

  • memory/2548-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2548-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2548-4-0x0000000000350000-0x00000000003B6000-memory.dmp

    Filesize

    408KB

  • memory/2548-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3052-17-0x0000000000370000-0x00000000003D6000-memory.dmp

    Filesize

    408KB

  • memory/3052-15-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3052-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3052-25-0x0000000002C10000-0x0000000002C6F000-memory.dmp

    Filesize

    380KB

  • memory/3052-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3052-87-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3052-85-0x000000000ED80000-0x000000000EDBC000-memory.dmp

    Filesize

    240KB