Analysis

  • max time kernel
    147s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 03:07

General

  • Target

    58b1b53e7d598c1cb545f7475b1c7b85.exe

  • Size

    266KB

  • MD5

    58b1b53e7d598c1cb545f7475b1c7b85

  • SHA1

    333a44eda1ce8c04587e83369237413aca16a734

  • SHA256

    4fc6ace4eb2b458c4ba1c25a451f18067b917fa8da34eea5ec37928a0a61204f

  • SHA512

    f9f6fdf0ebb8282d8e11e75018636077626441793213a6587f92beaf1392d5db5ad58e6d24e8f6e999e56a5a1dd1c4a56361385f5715b8391f8552304b91ba97

  • SSDEEP

    6144:KIO1rjt8/ZiJa5Gh9tXT8/YqxqONiaymZUAkjhbIvUfajfeP1zXBtEcz2Q:KIErj2/Zi2wTvoguih+3WP1DkcP

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58b1b53e7d598c1cb545f7475b1c7b85.exe
    "C:\Users\Admin\AppData\Local\Temp\58b1b53e7d598c1cb545f7475b1c7b85.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\58b1b53e7d598c1cb545f7475b1c7b85.exe
      C:\Users\Admin\AppData\Local\Temp\58b1b53e7d598c1cb545f7475b1c7b85.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\58b1b53e7d598c1cb545f7475b1c7b85.exe

    Filesize

    91KB

    MD5

    1c9dd2430f6081a53627039936c2e818

    SHA1

    ceec427445a922022a460c027277a046f76ca1b2

    SHA256

    2eeb11c230e1ebfc5319fa73b39c45a002ff9905c97f099bafc9937af915bb3d

    SHA512

    d682187e97ee05114cbb450b6712a56637493ca657cd148b93274522ff091fa36dc1a91fba952b9dc2a04593c7382105368d002c05e4a4b3ec7a391d85d9e3ec

  • memory/3428-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3428-15-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/3428-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4840-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4840-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4840-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4840-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB