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Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 00:38

General

  • Target

    21ff8171a6e7cd1d0314b60bdda4577d.exe

  • Size

    2.9MB

  • MD5

    21ff8171a6e7cd1d0314b60bdda4577d

  • SHA1

    da72f0b20c5670e9c63c5d30db2b10c8f6f3b51d

  • SHA256

    0c0dea6dd0c7cbfdf19b3b238c74bc871cf56c7f171c7d85973500cb9ebe1e53

  • SHA512

    1885d428d250307045ca7e9cf03707315da10cef99620e29b5cc46b31c9e71d304d45b8ce7a535b6add3c5b7076a1b4cf93080ff510f579bf1eb199f5a36ea06

  • SSDEEP

    49152:9NbBriILheT4DcW9wpN74NH5HUyNRcUsCVOzetdZJ:dpw4Ibp4HBUCczzM3

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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21ff8171a6e7cd1d0314b60bdda4577d.exe
    "C:\Users\Admin\AppData\Local\Temp\21ff8171a6e7cd1d0314b60bdda4577d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Users\Admin\AppData\Local\Temp\21ff8171a6e7cd1d0314b60bdda4577d.exe
      C:\Users\Admin\AppData\Local\Temp\21ff8171a6e7cd1d0314b60bdda4577d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4300

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\21ff8171a6e7cd1d0314b60bdda4577d.exe

    Filesize

    92KB

    MD5

    4173687304c2213e4748bf9a0e9556ad

    SHA1

    5b769c8ed21f9e68b8b076d128c7e363df3e5b8f

    SHA256

    08d6ad3455dacc0ecb122044bdbc245c537542ad7c9f59fc39e0793ab4dd9567

    SHA512

    2fb1ebde833500d4b6ca788b8cd64bf265b53f446b7d5452d5c5ff49e5fe9a800eacdb1864d6be905b1e75166fa51cda57af38a7d66db71040977b4d487200b6

  • memory/3916-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/3916-2-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/3916-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

    Filesize

    1.2MB

  • memory/3916-12-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/4300-16-0x00000000018F0000-0x0000000001A23000-memory.dmp

    Filesize

    1.2MB

  • memory/4300-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/4300-14-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/4300-21-0x00000000055F0000-0x000000000581A000-memory.dmp

    Filesize

    2.2MB

  • memory/4300-20-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/4300-28-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB