Analysis

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

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 20:10

General

  • Target

    39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe

  • Size

    248KB

  • MD5

    1753e870c7555e5a183036511a9625ba

  • SHA1

    0f79bfbc5a06dda56bf5311e51e9b7f5e8b05793

  • SHA256

    39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126

  • SHA512

    7fb5731542d58d73eec81aa1719107bdb3bf96a0f36c023b65edcfa01ccb717e05b714ff5bea03fed54759010129a71d2e380fad716ce0ff360d2444a7e06103

  • SSDEEP

    6144:aDOxZXrSHXUTsqQ33gjWHGP9a5yaZDAUaPT2:lXa8sqUgjlNaZDFYT2

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 18 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe
    "C:\Users\Admin\AppData\Local\Temp\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.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:2024
    • C:\Users\Admin\AppData\Local\Temp\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe
      "C:\Users\Admin\AppData\Local\Temp\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2532
      • C:\Users\Admin\AppData\Local\Temp\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe
        "C:\Users\Admin\AppData\Local\Temp\39fea18ace0dd1bbb2c3be98d493cb9a55c43f9dd74ff0d34399a56a2f126126.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\horse several models glans .rar.exe

    Filesize

    592KB

    MD5

    9af1ad3c766240e23431618ba9fe8fc9

    SHA1

    3634f86893c67b43cec8ff15d078faa818f26364

    SHA256

    a9cf128b0504ef703af393cba2da9d8a3e969efdf98dfd8f650fa6f995b18d29

    SHA512

    349d9a5673f39d8f00b662e5ace610c3026010b3c4c180b27b191346453b660e1043f5a91248ca6f373b7d7cfa90a51b00510120d278aae02fa7e298a85ff3fd

  • C:\debug.txt

    Filesize

    183B

    MD5

    de501c17d1dec9cb05179b0dad85aa4d

    SHA1

    809de62699955c9b1b20670c48ffbd5c4000188b

    SHA256

    12ea4c177fa8e5f1ac3ac9d497949a47a43d0860c6af57085140b0e2b7ed63ba

    SHA512

    24d712ecaf66102d6e76ee54e901130b7838614b48dad88ec418ba8d0b6180c1b33589273220af5c951df2187554bca755a7d351688c329e48153842356382ea

  • memory/2024-127-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-85-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-110-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-107-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-139-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-88-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-89-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-92-0x0000000004870000-0x000000000488C000-memory.dmp

    Filesize

    112KB

  • memory/2024-113-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-136-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-142-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-133-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-94-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-116-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-119-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-124-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2024-130-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2404-87-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2532-61-0x00000000044A0000-0x00000000044BC000-memory.dmp

    Filesize

    112KB

  • memory/2532-16-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2532-86-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB