Analysis

  • max time kernel
    153s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 21:53

General

  • Target

    c1b20f299f9c9f878697e9866dbc7382.exe

  • Size

    133KB

  • MD5

    c1b20f299f9c9f878697e9866dbc7382

  • SHA1

    db7b50a3f48ce4fbd11af6a804f0f7bd93bb400b

  • SHA256

    441db718587ef10b2fa6fd47fa3bcf0057d71ffed2374ef34b7ca2bfb3f0d84e

  • SHA512

    9812c256849c526b6039aedff042e715ebb30008e42140fbdbc3fb98a9079834423fd4bd8e053bb9a2dba7e1dbd563e5358f6ca498525a58e233401894fa8e00

  • SSDEEP

    3072:xyUfvJLaSGhk/xDkLWbyEfB4xhSWPVBVt6eEEuAwn+B4+uW4CSYWQ:x6tk/xD4WbpfGSCBVt6V3n+B4+mC3WQ

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\c1b20f299f9c9f878697e9866dbc7382.exe
    "C:\Users\Admin\AppData\Local\Temp\c1b20f299f9c9f878697e9866dbc7382.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Users\Admin\AppData\Local\Temp\c1b20f299f9c9f878697e9866dbc7382.exe
      C:\Users\Admin\AppData\Local\Temp\c1b20f299f9c9f878697e9866dbc7382.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\c1b20f299f9c9f878697e9866dbc7382.exe

    Filesize

    133KB

    MD5

    3944b87742b9bfbb39cb6a709826e275

    SHA1

    6d570d9bf2ac53526e3d5323dad94dd4c55a639f

    SHA256

    45d0a515de9f0138eb2c10de96d12d4eddc9ce03b7e8316171bb066bae83ec6f

    SHA512

    b5551af92c2480c91f1ccd9a2cbd51ac81c216c0608ccda9fd29f0205f631bb51d3be075c4529137a1c22cee2b860730eef64fa4e352aca78cf42999726fb2dd

  • memory/3300-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3300-15-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/3300-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3300-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4288-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4288-1-0x00000000000F0000-0x0000000000111000-memory.dmp

    Filesize

    132KB

  • memory/4288-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4288-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB