Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 08:50

General

  • Target

    13bc3a2f91a7a84ec5f8f6379efa1d0f.exe

  • Size

    385KB

  • MD5

    13bc3a2f91a7a84ec5f8f6379efa1d0f

  • SHA1

    707565f57d38537e102c7634969bcd8efb8739c3

  • SHA256

    95980c3d93ad12f1af4edf90a9d95776dfd96dc68c22c0a076ccc5212c69c807

  • SHA512

    a6edd84711c9a603d20ce01ddab08b66d3e8386247bcc283b427f61c56fa743d084106236e58811997e35cd9f0bfb4b135f6b903367079e115e1eae7acf5bdc9

  • SSDEEP

    6144:5SKDy6nqnNZexD/o6NiL1Ldj1dsYZXlWdrlGBMXLOB:5SmWexjXNm/g7SiLOB

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\13bc3a2f91a7a84ec5f8f6379efa1d0f.exe
    "C:\Users\Admin\AppData\Local\Temp\13bc3a2f91a7a84ec5f8f6379efa1d0f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\AppData\Local\Temp\13bc3a2f91a7a84ec5f8f6379efa1d0f.exe
      C:\Users\Admin\AppData\Local\Temp\13bc3a2f91a7a84ec5f8f6379efa1d0f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabAB9D.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarAC0D.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\13bc3a2f91a7a84ec5f8f6379efa1d0f.exe

    Filesize

    385KB

    MD5

    e692477bb856f4ad3def11d94f759498

    SHA1

    ededc2d20b40ebb8cf6832d35fb46e8585b840b1

    SHA256

    3582e2820c4ba4a84332e3bad6e5751f40e30aaedc5ce779137c2f0916725d99

    SHA512

    676ba3e06adac1d8fdf6f6b7190f1e59f9e8aabe6c5963f6421fc7c0af8d670fc31801a20d237313a8fbba742275a72e1c195e5c1643d8b17e01b552b329e48e

  • memory/2496-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2496-3-0x0000000000330000-0x0000000000396000-memory.dmp

    Filesize

    408KB

  • memory/2496-14-0x0000000002DD0000-0x0000000002E36000-memory.dmp

    Filesize

    408KB

  • memory/2496-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2496-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2852-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2852-26-0x0000000002C70000-0x0000000002CCF000-memory.dmp

    Filesize

    380KB

  • memory/2852-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2852-17-0x0000000000220000-0x0000000000286000-memory.dmp

    Filesize

    408KB

  • memory/2852-77-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2852-83-0x0000000005340000-0x000000000537C000-memory.dmp

    Filesize

    240KB

  • memory/2852-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB