Analysis

  • max time kernel
    135s
  • max time network
    150s
  • 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 03:37

General

  • Target

    5c71071c66251a0ae6dad399be156b4c.exe

  • Size

    133KB

  • MD5

    5c71071c66251a0ae6dad399be156b4c

  • SHA1

    0d4f62ca2a668629fb32a7e2d27fb77114c3df75

  • SHA256

    ff6587f66af304146d4c22a42d09e823c08959f0b317f4134be08cf06a47570d

  • SHA512

    f6dcbcf54f45fa46587f99ea0ea88fb876e4972896def6ec85db8482e87878ef125daed9b027af836ec0fe9d1d5b72ae5ddd9eceb437e6c70e073570f01ddb7e

  • SSDEEP

    3072:b1dkcbcnkfTU+fYLgqc6Mmn1pPhPl+NAnDTY0yCGALP6kWjQ:bTkpnkfTdYKCLqAYzpjQ

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\5c71071c66251a0ae6dad399be156b4c.exe
    "C:\Users\Admin\AppData\Local\Temp\5c71071c66251a0ae6dad399be156b4c.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Users\Admin\AppData\Local\Temp\5c71071c66251a0ae6dad399be156b4c.exe
      C:\Users\Admin\AppData\Local\Temp\5c71071c66251a0ae6dad399be156b4c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5c71071c66251a0ae6dad399be156b4c.exe

    Filesize

    133KB

    MD5

    33cc620cc0708ee95f3fd3eb71fa958e

    SHA1

    660d9e90df4cf1f751bb52f660585c2a0212b6ed

    SHA256

    8fe3645a39c4588b08c73cb65d49c9b63fdf943ce485064b006eb81c613ea37a

    SHA512

    8fbd67fd36988c30c533a253455b934c60d099c59529f3d5dfa9fe51777be2828bddeabadbaf25076206a7d6f4963415f7e5393a928f7e8f61751f4c82a87f09

  • memory/860-21-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/860-19-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/860-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/880-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/880-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/880-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/880-1-0x0000000001490000-0x00000000014B1000-memory.dmp

    Filesize

    132KB