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Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 10:53

General

  • Target

    a397b30b1023379e88a570dddc023ddd.exe

  • Size

    385KB

  • MD5

    a397b30b1023379e88a570dddc023ddd

  • SHA1

    548e456361fc1e37e6f86b298070cf575bbddb68

  • SHA256

    406c7211ff817191aeb3368c838fb4de7879f2b2aaf1df5af531ce86ef0f5cdd

  • SHA512

    025cd3e5f275434f5ca610ac231d8b52ab9cd1b0dfd8b2ff192cad326b7c52827b246f1b9f95f4dc22be12103c699abbdf889d173df4e1b0bde71f45d2a25c71

  • SSDEEP

    6144:qIwBb1SMIUpj4FK9jel5dFTlB0ATfZt8CK7oClsRyUxfsVmB:7g4MyFUCTd3B5837oCSysXB

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\a397b30b1023379e88a570dddc023ddd.exe
    "C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe
      C:\Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4DA5.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4E15.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\a397b30b1023379e88a570dddc023ddd.exe

    Filesize

    385KB

    MD5

    47c239afb8989009587df18858404387

    SHA1

    7c7299dfc0f0046867673fdac35ca6d483cc033c

    SHA256

    27cab7d779ab6e0376f6eb4ac30f228d445684086785eefb661883907cfc409b

    SHA512

    10ebf145f8bfede98710f63ba70b4a070c9e79c7069c83614d3eeefaea1436be8500d5ab8e8c01eaf0fab1b30f9d929e61fc1d33d90020b32dd2987fcc7145b2

  • memory/1640-12-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/1640-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1640-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1640-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1640-1-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/2028-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2028-18-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/2028-24-0x00000000002C0000-0x000000000031F000-memory.dmp

    Filesize

    380KB

  • memory/2028-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2028-77-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2028-82-0x000000000D6A0000-0x000000000D6DC000-memory.dmp

    Filesize

    240KB

  • memory/2028-83-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB