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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 22:13

General

  • Target

    37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe

  • Size

    1.4MB

  • MD5

    f86dfe49246ec4c255dcae40f178de17

  • SHA1

    284dd1cc6f87daff074da00095c3a6e740cdef6c

  • SHA256

    37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5

  • SHA512

    54e86adf177e9c8da0181f80b4592d3ea1261cff3e2b4df7b410c8263439f42126195650f789e67f109c990ca946ff9a9d2e5b449c5b45d81801810a1f35da69

  • SSDEEP

    24576:ZC8BQ4IIXhUEsDUc6tUxkZMleYVP1QtkjPLLYNUDJ0BrQ3RTBIFnc882p7eb+ntM:QF4/Xhn1m8YVP7DLYNUl0C3viJtp7U+K

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 20 IoCs
  • UPX dump on OEP (original entry point) 23 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 23 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 19 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\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe
    "C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.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:2932
    • C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe
      "C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe
        "C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1172
    • C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe
      "C:\Users\Admin\AppData\Local\Temp\37c88808b60e908b789196d243a1f9b96472e1ebc915cb2753ad767b1be191a5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\black kicking lesbian [milf] hole shower (Sarah).rar.exe

    Filesize

    277KB

    MD5

    27edf74842d5584f6c35c2601ebd68d0

    SHA1

    d56534094bb3bfa23ad6eb4ac870010c1beb5a65

    SHA256

    301d01fca7eeda492cb6437a8ad014da9f0214d032e8240b9aea10ba57e5ed6f

    SHA512

    858302d349c4a4953f6cdd8a0dfbe84a02d6fb862b66ff51f0bb8d8f6039b0b07c61887c00547e54a830b20de27818071d78cf47345ccca7c17614bbc541f2b3

  • memory/1172-152-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1172-181-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-184-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-217-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-178-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-241-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-237-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-233-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-183-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-190-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-200-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-204-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-209-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-213-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-229-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-221-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2932-225-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/3308-26-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/3308-179-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/3712-151-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/3712-180-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB