Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 08:53

General

  • Target

    9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe

  • Size

    133KB

  • MD5

    9b3f3e2dac4e8b1903d0d4c9af71b3fd

  • SHA1

    46408e26dc423f8e9ffbab77ebe050bddf4c9840

  • SHA256

    4a30e795ac1fb3a0985927463c72b4ea59f954d080aad1574692f71e811169b7

  • SHA512

    490e23c441e3d58b7885e1df5058c3ad9c62fb2563b805e3f54152bf4bbf51a0563e863dcb33fa2fc0e6ff1d523e38a3c52d8ef126d4215c6adc62ad3df2f2c0

  • SSDEEP

    3072:iKq3YKaLjYK78w3xsm3gTxpMvFTbZJt1ZQ:hmYKsGxQgTxp8TbLZQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
      C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe

    Filesize

    133KB

    MD5

    bba5b2001be89921f8c1c91f902afe4d

    SHA1

    df696dc6308c3999e529504da73f260ca1389e3a

    SHA256

    1594ad4fd004761d114add0fca065f14dd83d5b735e299af36b586e26e77133e

    SHA512

    ce5cb31d8e280be83ff91b0694267e7ac1a783a5706934e858e7b794db4c37728ad2a949a26612c54800c32cb00e07dc7bc3c9a7fa542842f73dba7bd44eb3e7

  • memory/4652-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4652-1-0x00000000000F0000-0x0000000000111000-memory.dmp

    Filesize

    132KB

  • memory/4652-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4652-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4848-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4848-16-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4848-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB