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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 21:46

General

  • Target

    56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe

  • Size

    1.4MB

  • MD5

    a25866283db6311bf1ca62bc2c104010

  • SHA1

    3ae2f477f007d5caf0c63d2801e66d73af9a8f9d

  • SHA256

    56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3

  • SHA512

    f02edccc3e15cbde06f5263cc271788a6e4b817e538a09320c4aac08b5f22d7953d0abc169928e780e2db940f0bd227ed84bd634761ff3443ef4562a37739943

  • SSDEEP

    24576:Yiqtn333hbWJTz/chumixHq9J1W0C8/atbVRkhrGZ75KelIxfVlDinaGrEWiLwJT:x6n33xc/cn0Kj1WXHRYrGZFKjbAaGcLA

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 9 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe
    "C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe
      "C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe
        "C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:976
    • C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe
      "C:\Users\Admin\AppData\Local\Temp\56c6cd18e30f501337a993bc99e2ecb478b07d7f0bf81da6a34d8a10c684c3a3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\lesbian sleeping .zip.exe

    Filesize

    518KB

    MD5

    d7158f53b782d5ff9a68b0a0b19929fa

    SHA1

    be46d55b3db17318ee4c28c295f7fc74f33fd119

    SHA256

    44324dae3c4388efaa1779273cd51e890ef8f4c85a87bc69464a1e99876ca386

    SHA512

    98c24c4b6253d7a0f9da6b73136adf0aa14d46ebd39c7f9a5cd34536ebf377d05ea9d2350fc0aaf1e084cbf5aeefcc0706cdac4e9809de418612ae2033b19387

  • memory/976-165-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/976-198-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2148-164-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2148-197-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2924-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2924-193-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/5068-46-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/5068-196-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB