Analysis

  • max time kernel
    121s
  • 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 16:38

General

  • Target

    87600ce72025f32a28698c68dbc95d5c.exe

  • Size

    385KB

  • MD5

    87600ce72025f32a28698c68dbc95d5c

  • SHA1

    5b4d5c2fe36701c72d484950209bd35bc3a93a23

  • SHA256

    400989f5afef8fb2ca3d70cb0580b5d150e3e89622763ce457fd6c46b084d603

  • SHA512

    5bcbb30382a4bd7eb86df7586647811cb420a786139737cbc93cc80203f4e2ecae0d2dd24670de632a67649a308a4834473aae800571260accdc8073f1d745e7

  • SSDEEP

    12288:an3fspWek6JGcnyM52atUQpZ/EztVhsP1B:YaV4cnTxtTyz+dB

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\87600ce72025f32a28698c68dbc95d5c.exe
    "C:\Users\Admin\AppData\Local\Temp\87600ce72025f32a28698c68dbc95d5c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\87600ce72025f32a28698c68dbc95d5c.exe
      C:\Users\Admin\AppData\Local\Temp\87600ce72025f32a28698c68dbc95d5c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3040

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\Tar199E.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\87600ce72025f32a28698c68dbc95d5c.exe

    Filesize

    385KB

    MD5

    2d9d8dd1c0b009e3977580dd40a2f2fb

    SHA1

    adc47d4429bcb76550f4b1757ebc34fc025fbc92

    SHA256

    cc42b5eea21a80c92740b180a4f8518f4063109192a96cf755b4fe253026b7bd

    SHA512

    69a00bbcd9a2286d1ba9a7255e756d68f2c167c0c3aa1dbbee390d0e879c62ca7d06e204bc19791a383a42c485e5aa1e126c698e022341b0331ed18b95d7ec5c

  • memory/2380-1-0x0000000000380000-0x00000000003E6000-memory.dmp

    Filesize

    408KB

  • memory/2380-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2380-12-0x0000000002E90000-0x0000000002EF6000-memory.dmp

    Filesize

    408KB

  • memory/2380-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2380-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3040-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3040-29-0x0000000002CF0000-0x0000000002D4F000-memory.dmp

    Filesize

    380KB

  • memory/3040-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3040-20-0x0000000000330000-0x0000000000396000-memory.dmp

    Filesize

    408KB

  • memory/3040-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3040-84-0x00000000095F0000-0x000000000962C000-memory.dmp

    Filesize

    240KB

  • memory/3040-88-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB