Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 16:50

General

  • Target

    b7e57253a662796360fff0da4e61187c.exe

  • Size

    2.5MB

  • MD5

    b7e57253a662796360fff0da4e61187c

  • SHA1

    5a101f5b3c537b02a1364f108f7ed6d141975e54

  • SHA256

    08df1af6080ff8e8575853f25e1ed36fc776ffaeaf838d3af26289bd98f48da2

  • SHA512

    6bd9a263b8755c54247dd5e1503a7e4b1aa08936224f611e66added879a9e7efd0c0ada1426b86a912e7d64fce2afebf2578f421036e74a737761a54bfbeeb00

  • SSDEEP

    24576:qg4mQOZ0Hy+FQozZz2EmawWK41vk7HdlX+lujaDn4XddNQOEG0DP1BekC9sRo8p1:L+RRzxJiXtODKb2hp/T5GdLGDrd

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.

  • 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\b7e57253a662796360fff0da4e61187c.exe
    "C:\Users\Admin\AppData\Local\Temp\b7e57253a662796360fff0da4e61187c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Users\Admin\AppData\Local\Temp\b7e57253a662796360fff0da4e61187c.exe
      C:\Users\Admin\AppData\Local\Temp\b7e57253a662796360fff0da4e61187c.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\b7e57253a662796360fff0da4e61187c.exe

    Filesize

    2.5MB

    MD5

    08437b0d657833649d6f8c5aa928cd95

    SHA1

    47a0efd74c1fdbc4290018370e0b2bc00dd418ab

    SHA256

    389fb974ac5ab83c0f5b3e6ceec71c817bb65bfccf8881dc17b6d070c4be2900

    SHA512

    aab55ba9439f403bc65a79cac6fca83eff2807a3df2c0bc05050359f352d92e581e6230b8041d28a7f0483cee00086b8b7e8372db84f2aeeab3f36ad87013b36

  • memory/1140-0-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB

  • memory/1140-2-0x0000000001EE0000-0x000000000210E000-memory.dmp

    Filesize

    2.2MB

  • memory/1140-1-0x0000000000400000-0x00000000005EF000-memory.dmp

    Filesize

    1.9MB

  • memory/1140-16-0x0000000000400000-0x00000000005EF000-memory.dmp

    Filesize

    1.9MB

  • memory/1140-17-0x0000000003A30000-0x0000000004311000-memory.dmp

    Filesize

    8.9MB

  • memory/3008-18-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB

  • memory/3008-21-0x0000000002190000-0x00000000023BE000-memory.dmp

    Filesize

    2.2MB

  • memory/3008-43-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB