Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 00:55

General

  • Target

    fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.exe

  • Size

    118KB

  • MD5

    a8d799a7a5c111a02af6ddd0e2f762c0

  • SHA1

    86b8b0ec2c78da40813f6243386fd89a7fa91a79

  • SHA256

    fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41

  • SHA512

    bb451c6009eda042bd2349cc51e9945b90c0851887e6100b96f18351038d20cb63b9af2b6cc22ab9b24119846ad4f57f3276e18b9216f35adef9eb7e220627e1

  • SSDEEP

    1536:JxqjQ+P04wsmJCw6lmGnFZgOhS3mIwiD2SGVoli3xJTjpKxn5SkxX:sr85CBVF2OhS3nwDpD37Kzd

Malware Config

Signatures

  • Detect Neshta payload 2 IoCs
  • 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 2 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.exe
    "C:\Users\Admin\AppData\Local\Temp\fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.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
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.exe"
      2⤵
      • Executes dropped EXE
      PID:320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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\fe911c30a35f796f08b590a6bdfa909afd9973ada00a52808eb618b0d461af41N.exe

    Filesize

    77KB

    MD5

    9500e438cc390e4eb7a743ea5f34f805

    SHA1

    0aa868f03bdae0fae381fe334f216aec61138f89

    SHA256

    7673ab1bcc52766963c39b4001e7f77103b38c24b8e4995483491c989d29a9bb

    SHA512

    74746bbd2f476aca673b158cb1e9b7352dd2333016f02aca36566f2f779f662fa8da9ebdb313b26fdab1c5e559ef604791bc3f3cdb99b8edec5123869cd8e509

  • memory/1924-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB