Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 13:15

General

  • Target

    539e43dd97a3341d54595329e9fbfb21.exe

  • Size

    59KB

  • MD5

    539e43dd97a3341d54595329e9fbfb21

  • SHA1

    267b10b074decd98742c7e9446561ce4622c4b18

  • SHA256

    00a18aed439c65fec3ac0b8a7b3360cc64df7791b2cff3e68e4ba01f90ff4951

  • SHA512

    bd92d76d1135698fb07468287322c669686f121b0ec6605b027f1eef37d95aef3dda86aa2b985b55f42a7d5d106a2c713bda5660f3ecd3e8c29355489d73e2ab

  • SSDEEP

    1536:XP7zOtlwnQCS7snKCcb+qtqSCNSbW2h1JxvLJie:Xiwnh1nRcb+6HCopdvLJie

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\539e43dd97a3341d54595329e9fbfb21.exe
    "C:\Users\Admin\AppData\Local\Temp\539e43dd97a3341d54595329e9fbfb21.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Local\Temp\539e43dd97a3341d54595329e9fbfb21.exe
      C:\Users\Admin\AppData\Local\Temp\539e43dd97a3341d54595329e9fbfb21.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2400

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\539e43dd97a3341d54595329e9fbfb21.exe

          Filesize

          59KB

          MD5

          0b604510abaabc52cf24d74da72bcf8a

          SHA1

          8c41b2ef9222a0d9ea4d18decf3281a5befaab19

          SHA256

          cee6acb69a4288d4ab8292c5113231a9c5e1506a180abebd1e7847302db56e25

          SHA512

          67fa6fe4131d7e07537b9764add2ca04c745ff833e485a30bc76a72aa9dd1c8e3fb7c6ea271d35824e06e9a4f9f4924e9b5315efe3be6a5fe5c28d5b82b89cc4

        • memory/1868-0-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1868-1-0x0000000000030000-0x000000000003F000-memory.dmp

          Filesize

          60KB

        • memory/1868-2-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1868-15-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/1868-14-0x0000000000160000-0x000000000019D000-memory.dmp

          Filesize

          244KB

        • memory/2400-18-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

        • memory/2400-17-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/2400-19-0x0000000000030000-0x000000000003F000-memory.dmp

          Filesize

          60KB

        • memory/2400-24-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/2400-29-0x00000000002F0000-0x000000000030D000-memory.dmp

          Filesize

          116KB

        • memory/2400-30-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB