Analysis

  • max time kernel
    140s
  • max time network
    203s
  • 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, 13:08

General

  • Target

    99515086d94f3ba01b7bf6099776a77a.exe

  • Size

    302KB

  • MD5

    99515086d94f3ba01b7bf6099776a77a

  • SHA1

    2f276d0f84ea0848485e4e301eead9b9a6b62468

  • SHA256

    c97fd8b695efd7f27b1916633f41711843b7d224807f4794dc37a6a0424b2d71

  • SHA512

    4fcd887ff59d63603eea0cb7b9e92a700c9a7ee24b066f2549bbe34c1485e054e278826f24af0dd69aa65187505f3d447bf9c3217d2ef7edd8cb7980a8a9db55

  • SSDEEP

    3072:iIxHCaINt2tpewm29tKLbEh4YSztM4Ku/X0FznC3Ea/SqLknsX8jShPEvGlN+rQ8:i4Et2zTjKPgOX3MFTC1yAEvKmQ

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\99515086d94f3ba01b7bf6099776a77a.exe
    "C:\Users\Admin\AppData\Local\Temp\99515086d94f3ba01b7bf6099776a77a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\99515086d94f3ba01b7bf6099776a77a.exe
      C:\Users\Admin\AppData\Local\Temp\99515086d94f3ba01b7bf6099776a77a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\99515086d94f3ba01b7bf6099776a77a.exe

    Filesize

    302KB

    MD5

    c60dfb5d2508b6abfd0c231965b2ab8e

    SHA1

    1c40913bca78ce2ea8e683eac08df296c4ef6623

    SHA256

    113b788471ef71141411e835e21540ca9c7136aaecd89c94a30b805bb17ed28c

    SHA512

    ef959c347851fc5f2fa5019176ea62c8429b570a7a3858d59cc86df1b576b1b65bb78991c01da3187cdb9c2690cd55f04e2ca0adc2efda7e2fe85c0352562690

  • memory/1832-14-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/1832-17-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/1832-22-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/3588-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/3588-1-0x0000000000100000-0x0000000000131000-memory.dmp

    Filesize

    196KB

  • memory/3588-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3588-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB