Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 11:16

General

  • Target

    fef03ef3e144c73fbdb047440797c9af1d608575ca07128affa3036dbf5237aa.exe

  • Size

    5.4MB

  • MD5

    e3a183bb8937dee0e7f88aa28b2c2a0b

  • SHA1

    05e3c30b0c686902ccaadf68fa05809057f6d651

  • SHA256

    fef03ef3e144c73fbdb047440797c9af1d608575ca07128affa3036dbf5237aa

  • SHA512

    f92d864a20b69efaa972c749bd537b858865c978d403a2b704066d9f61fd8e8ec2713dae2985d4d19c0b68d7efdae11d2d6a3846272063fcfbfe9fb1c893b838

  • SSDEEP

    98304:B8P+ore3hUyhZTHJ/wh+9scxSntxDbMAOhe1+zgxa3xWf+RLj:2Pk3hUyhlGznzglZgxcNB

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

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

  • Neshta family
  • Loads dropped DLL 1 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\fef03ef3e144c73fbdb047440797c9af1d608575ca07128affa3036dbf5237aa.exe
    "C:\Users\Admin\AppData\Local\Temp\fef03ef3e144c73fbdb047440797c9af1d608575ca07128affa3036dbf5237aa.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:1480

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

  • memory/1480-80-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1480-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB