Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/04/2024, 21:04

General

  • Target

    3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe

  • Size

    736KB

  • MD5

    3746359ce57f69457411e59757baf4fd

  • SHA1

    4fd2b30e3e9cc3015a2c08b5f294873acb04dc88

  • SHA256

    3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d

  • SHA512

    94b6b6960c0b57157dc26eb6b74662d9bcea126778a2c3f9a7655448a6cb379d20a467df555f7a3a203397d6f6260bf0f0ab714aee924903a4fc32bf05ecba3a

  • SSDEEP

    12288:gEQoSpXQJCfW5qk/j+1mU5oVhWd8pUgyy+fKA74fyBCEwgoQqEyrYxQjeTf:gwCq9i1R5WEKGaAibgnhycxQCz

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 16 IoCs
  • UPX dump on OEP (original entry point) 20 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 20 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\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe
    "C:\Users\Admin\AppData\Local\Temp\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.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:2756
    • C:\Users\Admin\AppData\Local\Temp\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe
      "C:\Users\Admin\AppData\Local\Temp\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe
        "C:\Users\Admin\AppData\Local\Temp\3e91995f7ccfc67aceabacf02fa6a60b28fc8b800d3593c37f516c2bd609a24d.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\horse masturbation .rar.exe

    Filesize

    944KB

    MD5

    2046f43d1d7b8aa182f4589366915f67

    SHA1

    4979dd723c9ea05fbdee59cf1b7adc26e9632869

    SHA256

    83b2d942f5642db183b87e60f7093753775ab64eae1817e5bf37dbbcb6cfff38

    SHA512

    b27d6d565377d37dfdaa22e61fd3a3d6d24aa047fcc9d9fb914bcb53dcb313526cb781f75ae338bde9684b25f9c7d0f95ebb5b3af419a4bd82c82746e2a66e28

  • C:\debug.txt

    Filesize

    183B

    MD5

    ad79853274d2237f6a9c08928ea8f541

    SHA1

    3b57bdd1fdfb9d7f55a2617120679423c17c6420

    SHA256

    d7ff344b129d3c910ddfaeda1c7e08d60eafbad3c6b90e838694fecbfc7880be

    SHA512

    a1b583088eee5af7787cfba3ddd80b6067a1eaceb56174956ea9edaf92f9b1bc9af7e0ef5d8cf90dbd36f689e3c55853cbe0188a79b03021906c65369856c825

  • memory/1628-96-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1628-90-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2348-65-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2348-108-0x0000000004AA0000-0x0000000004AC0000-memory.dmp

    Filesize

    128KB

  • memory/2348-89-0x0000000004AA0000-0x0000000004AC0000-memory.dmp

    Filesize

    128KB

  • memory/2348-93-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-109-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-120-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-105-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-64-0x0000000004780000-0x00000000047A0000-memory.dmp

    Filesize

    128KB

  • memory/2756-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-112-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-115-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-92-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-123-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-126-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-129-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-135-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-138-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-141-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2756-144-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB