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Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2024, 04:36

General

  • Target

    8892bba0a849c3df57377fcfa4e2e896.exe

  • Size

    385KB

  • MD5

    8892bba0a849c3df57377fcfa4e2e896

  • SHA1

    a45c5b9a6854677d087dcb10dfb4832d240ffa48

  • SHA256

    3b105d70136969d53890084070c7b685e2d528b75a34911531d6be4e07e8204a

  • SHA512

    ba27a1c009c5a899b558f097c69a25b1cbaafde168b505ec44e73952efc8d3434c9bea0b4848cf12b6508e41037ac54b2c54cb861a8d547994b14785d9123563

  • SSDEEP

    6144:/lPO7D1zItbLN7KVYVdAwI1FmnPaRkuFD8GU6O9REUgiyS92h8BFTdV9gzguupju:/cQ9lzAduniRku18H6s99f9V9g1upjUB

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\8892bba0a849c3df57377fcfa4e2e896.exe
    "C:\Users\Admin\AppData\Local\Temp\8892bba0a849c3df57377fcfa4e2e896.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\8892bba0a849c3df57377fcfa4e2e896.exe
      C:\Users\Admin\AppData\Local\Temp\8892bba0a849c3df57377fcfa4e2e896.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2972

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\Tar1FD5.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\8892bba0a849c3df57377fcfa4e2e896.exe

    Filesize

    385KB

    MD5

    2183f9b72152ca6a249f64b6fafa28da

    SHA1

    36919200e2971559607d71a9a971aecd6905249f

    SHA256

    882ae625415ce6bc7c12549fd657f596f3c04bf9400f92ce6c570e2355ecef1e

    SHA512

    d361217e6e31c6f187d60e2fc88299595ffa4759be4f29dd921e2e1d5d779f970b0e7d80256a918ca396fc5cf59affadb5ef9c5a2da77efe4fe1e5a7f33f6868

  • memory/1760-1-0x0000000000360000-0x00000000003C6000-memory.dmp

    Filesize

    408KB

  • memory/1760-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1760-15-0x0000000002E10000-0x0000000002E76000-memory.dmp

    Filesize

    408KB

  • memory/1760-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1760-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2972-17-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2972-20-0x0000000001470000-0x00000000014D6000-memory.dmp

    Filesize

    408KB

  • memory/2972-29-0x0000000002D40000-0x0000000002D9F000-memory.dmp

    Filesize

    380KB

  • memory/2972-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2972-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2972-88-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2972-84-0x00000000095C0000-0x00000000095FC000-memory.dmp

    Filesize

    240KB