Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:42

General

  • Target

    998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe

  • Size

    87KB

  • MD5

    250890c01873b553db5f11771cc079a6

  • SHA1

    17d2c3e69a885f032cf618a109e763537e0361b9

  • SHA256

    998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4

  • SHA512

    370b9f524a1759ab50395306b47059726af0c709dbd3041a4fdb3305a9270a433d68e3bc259d5052f9bb726914965cee97335332d682618442e368e6258f6c9b

  • SSDEEP

    1536:YRVCaKgzbLc54hukfgvYnouy8rV1Ayj4m/QWR/RBMR:gjbLl/gvQoutp1Tj4mYWR/RY

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 18 IoCs
  • UPX dump on OEP (original entry point) 21 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 21 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\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe
    "C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.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:1628
    • C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe
      "C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe
        "C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4912
    • C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe
      "C:\Users\Admin\AppData\Local\Temp\998c67644f4a053595afc95d9b03fb4ac5c98267735fcd99e535e2f67cec61e4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\russian fetish fucking voyeur feet ash (Sylvia).mpeg.exe

    Filesize

    1.1MB

    MD5

    c3b65935f0fa24d4fa12590937d20040

    SHA1

    7e050eadd36fe0f9c5fc7671a4c8c7256474e768

    SHA256

    768197d831b671237d248860c184af856ed247d569d465eb7325dff99a8729d0

    SHA512

    6be8ebd8b0124b3fe4846079249e29d1f476d46cf6877f70946986d24fdbdaa1122c4455af7ec48cbc1431b8d4afe8ff5448dc033f1cd9e2a72d106f56fffd1e

  • memory/1628-201-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-218-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-191-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-238-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-180-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-230-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-205-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-242-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-234-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-185-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-210-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-214-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-226-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-222-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2176-162-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4132-87-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4132-181-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4912-183-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4912-163-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB