Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:23

General

  • Target

    c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe

  • Size

    216KB

  • MD5

    1a028b758efaea954d9931286deb40cb

  • SHA1

    c2d89c2ba2ca74a290d12844ee84af2f9f648c9e

  • SHA256

    c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02

  • SHA512

    8705aec123c716cfb5f95c91fc6a0d1f0dfdac1329cf3c106c83817a5c1b831dfb339e72efc55b240996ba441ffb92557b88d32894fa79edc9622ca23bf2b3f6

  • SSDEEP

    3072:t/jbLl/gvQoutA1Tj4mYWR/Re1l7twhZ9XrV+cRHlvfPnjLsLUXCMa+o0tDI:VjluQoSiIo5RenBgZVvfPjyUXu+dtDI

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 8 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe
    "C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe"
    1⤵
    • 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:1072
    • C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe
      "C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe
        "C:\Users\Admin\AppData\Local\Temp\c8b8245a3f8f833dedcff9c6d6d03c766da278b0755bc086ded5d1418c046b02.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\swedish cum trambling big titts .rar.exe

    Filesize

    1.7MB

    MD5

    31a42851c7fe9a70f65f848bc1bb18dc

    SHA1

    1916153dcdda5991c5347aca34302dfd1529a74e

    SHA256

    52f45779fa9e8829011e50d29cdc0ecb489fcc17dba8b569c43dd0f6837053a2

    SHA512

    b19c03e103cce4fe30d5f402c92e4e79e82b18ce3212bd68b58b47a5e579e7ad48e2d2d02489d4ba245fa100361434cbf36fec810e24a978a55733bac221e39e

  • memory/1072-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1072-105-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1072-107-0x0000000004E80000-0x0000000004E9F000-memory.dmp

    Filesize

    124KB

  • memory/2576-53-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2576-88-0x0000000001E90000-0x0000000001EAF000-memory.dmp

    Filesize

    124KB

  • memory/2576-108-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2576-110-0x0000000001E90000-0x0000000001EAF000-memory.dmp

    Filesize

    124KB

  • memory/2804-89-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2804-111-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB