Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2024 13:50

General

  • Target

    4b9bcb26419254f35044cbea21618e0d.exe

  • Size

    771KB

  • MD5

    4b9bcb26419254f35044cbea21618e0d

  • SHA1

    16997d02ae9108d53285a4a259083a4be070f0b5

  • SHA256

    d74be9ce4413f926d71b202f523cc065403f7b579a3684edf058fdd6826861dd

  • SHA512

    24036d520adc9ed6a018e03636e60f531e5f1d09198d242260c0e3c71fcff0a6611aa545be661611f06330f25afd1302f0af8a86b219a6833376acb6cc82193a

  • SSDEEP

    12288:T0nJwvrGpXd2gaxFsaw5GdhjJ8BxW/F0FqV5MyueU6SQL/TgSE1+aUUs8Ghc4cV5:T0nJLBd2gmVdhj2BZpReUx81xcMWB

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
  • 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\4b9bcb26419254f35044cbea21618e0d.exe
    "C:\Users\Admin\AppData\Local\Temp\4b9bcb26419254f35044cbea21618e0d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\4b9bcb26419254f35044cbea21618e0d.exe
      C:\Users\Admin\AppData\Local\Temp\4b9bcb26419254f35044cbea21618e0d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6431.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar7390.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\4b9bcb26419254f35044cbea21618e0d.exe

    Filesize

    771KB

    MD5

    4edae1d48867d683bc99c2ca6f2e047c

    SHA1

    7664ca795fb83528a468bb87dc9a6ab21e571676

    SHA256

    a2a0ef20538fb42ac3547d1fd255b6593d57c61c30b6de88c154b8a796b00b33

    SHA512

    654986e438bbeecae6affdbb8057085b865bff0a355b13ba181bb9bf12d7c7d81179757769a883bf211d1d7fb9aa7d459dab65a8e801fe18ac101c94d0d56067

  • memory/2252-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2252-12-0x0000000002E50000-0x0000000002EB6000-memory.dmp

    Filesize

    408KB

  • memory/2252-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2252-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2252-1-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/2788-16-0x0000000000320000-0x0000000000386000-memory.dmp

    Filesize

    408KB

  • memory/2788-23-0x0000000002BD0000-0x0000000002C2F000-memory.dmp

    Filesize

    380KB

  • memory/2788-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2788-76-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2788-82-0x00000000095D0000-0x000000000960C000-memory.dmp

    Filesize

    240KB

  • memory/2788-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB