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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2024, 01:30

General

  • Target

    9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe

  • Size

    105KB

  • MD5

    c95cef37bae66b87541a77f2d58ed3a9

  • SHA1

    e4f911df804bae79f2141e23362a7746ed831590

  • SHA256

    9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998

  • SHA512

    42b1383e59e30c3bf699b52991b53d0f38104049e08eb260d4fa26dbb92e5b4c4eefb366c2f823d20598ff69ed3215c6d38ec13d0de1a92bed4201ad2d7edbe4

  • SSDEEP

    3072:zr8WDrCrvquQjZmrem/HPOWVXl3J9OzNF:PurvOSem/vrV13J9U

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe"
      2⤵
      • Executes dropped EXE
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

    Filesize

    859KB

    MD5

    754309b7b83050a50768236ee966224f

    SHA1

    10ed7efc2e594417ddeb00a42deb8fd9f804ed53

    SHA256

    acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

    SHA512

    e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\9b3add7228a55468d1468539957fcc7c0b16820aafc36124b68e45e0441b8998.exe

    Filesize

    65KB

    MD5

    4f93177181c76bb5f534e4fa89fbd08a

    SHA1

    a51622ccc8a61596ed96a3e12dbbcb6589d1bd9d

    SHA256

    1a87ab84c11297973b31e845e97e78d33bebb516ba08ba517bc7a6ed8011fa39

    SHA512

    ec2b7e69495ff054a97d49a876b9d67d1b733d240353e665b1c8e11bca55783d4d3b693cf97de5844fe6dfebb39e20d1e81c3cdb51f3e4ca48691bef6235957b

  • memory/3068-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3068-89-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB