Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07-03-2024 14:06

General

  • Target

    b8e931966f4c54053afd8f4a47fda392.exe

  • Size

    2.6MB

  • MD5

    b8e931966f4c54053afd8f4a47fda392

  • SHA1

    31655dbc7c4615c6af2882667adcf4ed2ab4ca0e

  • SHA256

    95fc85126ade8fe2d734f0d5fdce50089216ce69430f3168ffa6f178c369d061

  • SHA512

    517b65075c1250cde65e20e92e29434bbc7a26372c4d2f76bec20aa8a48b848e395957e1d28eec942c701f7cb75663c459d1e79fad1c8dad3bff9ba71e3786eb

  • SSDEEP

    49152:oWPhcHEGM/CYraz1JvcYCO0a9jZhXcOFsO8pqgmay3:o4WtjLsu3

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8e931966f4c54053afd8f4a47fda392.exe
    "C:\Users\Admin\AppData\Local\Temp\b8e931966f4c54053afd8f4a47fda392.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\b8e931966f4c54053afd8f4a47fda392.exe
      C:\Users\Admin\AppData\Local\Temp\b8e931966f4c54053afd8f4a47fda392.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\b8e931966f4c54053afd8f4a47fda392.exe

    Filesize

    2.6MB

    MD5

    1df43400b5d751243e3cbd101a72dc0e

    SHA1

    1f388977de07c0df44f131fb2dd3594defcb68b5

    SHA256

    2f42b45813cc584eba36a88f3c08774a539de0145486e6726e26248297d2c1ea

    SHA512

    e0b9996e59aed6aa0428a5bb76e24a9a8872a9d083996e0d1e0aff7b6172390aea16373de42fd5bcac5a2434b3525d7d2211aeaf2ca53252bb392c9b622e3104

  • memory/1384-18-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1384-21-0x00000000021A0000-0x00000000023FA000-memory.dmp

    Filesize

    2.4MB

  • memory/1384-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2824-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2824-1-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2824-2-0x0000000002280000-0x00000000024DA000-memory.dmp

    Filesize

    2.4MB

  • memory/2824-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2824-16-0x0000000003B80000-0x000000000451E000-memory.dmp

    Filesize

    9.6MB

  • memory/2824-42-0x0000000003B80000-0x000000000451E000-memory.dmp

    Filesize

    9.6MB