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Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 01:22

General

  • Target

    20232d1a5ff57d347290cf11543a4016.exe

  • Size

    318KB

  • MD5

    20232d1a5ff57d347290cf11543a4016

  • SHA1

    1de1f2e9076846eeb5b923fa71e27e751ca04803

  • SHA256

    41ddc3af15c9e64a595f7c12637a0fe8b5361f6b1c8fb9b7508a17aa84ab4087

  • SHA512

    469b9e1204b990bc0e12e9439e8ad19e831a49ae4b57308c9e8fd4d0ed3f4df8f2ee178864da8b99feccaa8d41bfc0bd41f0f1dc99f20753c47ad23e12ac3c7b

  • SSDEEP

    6144:YR2R8i4jwJq6W4Qmp6rD1rRBttWoPLFtYOqPB1aOcih76riAeYY:gG8jjwJqoQGe1nttdPLFYjlhAer

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20232d1a5ff57d347290cf11543a4016.exe
    "C:\Users\Admin\AppData\Local\Temp\20232d1a5ff57d347290cf11543a4016.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2960

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\Tar2A50.tmp

    Filesize

    41KB

    MD5

    a24e56d3c297040774c2107257e3c0e2

    SHA1

    0c115bb71abbf8e2e32ab49ffcd6ad839210a539

    SHA256

    7a50b8a7181a89e806199c8557a26641d69631e86bde39857fd99ed78c45ef48

    SHA512

    f2f087e978e4f39904f1afac3cf16cae9c53d8702eb69315f8071551ea63de67f3d73ef4112923f836fce1c2f600b224c76644fd8fd4e597b5fc59ce487d1e4e

  • memory/2960-0-0x0000000000C20000-0x0000000000CDB000-memory.dmp

    Filesize

    748KB

  • memory/2960-66-0x0000000000C20000-0x0000000000CDB000-memory.dmp

    Filesize

    748KB

  • memory/2960-72-0x0000000000C20000-0x0000000000CDB000-memory.dmp

    Filesize

    748KB