Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 20:05

General

  • Target

    1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.exe

  • Size

    1.6MB

  • MD5

    3a582c5f152b4d54ca8b8f18ce4e854a

  • SHA1

    64d2e1f724b8e6805a8280499b317c5836404f34

  • SHA256

    1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b

  • SHA512

    d081adf645f2b951d5ec9f147b1179ada6c64a6bd8efba916168349ef4770170ad3173f3263179ff14b652be5af2c8f6502d28a3212635119a983b7e24e4f0d9

  • SSDEEP

    24576:7RXsDJx4wUPFK5J8mcBYYtp07lNvAxh+BSS9V7g+5EXbX1aIDkI6v:qMwUPgTAYYb07lN4X+d1WbX1as4

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
  • Executes dropped EXE 1 IoCs
  • 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\1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.exe
    "C:\Users\Admin\AppData\Local\Temp\1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.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:2492
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.exe"
      2⤵
      • Executes dropped EXE
      PID:2824

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\1b7486abd49698ac808440590ecd91d64ed043274066808a7737d1c03e19b42b.exe

    Filesize

    1.6MB

    MD5

    2adf833973d35613636547ac6c29b885

    SHA1

    f24ece91e443eb6512814490a8e9477223745d9e

    SHA256

    17a5ac044db12b0f103fe698f57dddca9be33e2053faa9e6583fdb28825065ea

    SHA512

    dd8a671b7b004897369b67f8af87be17b4cfc56b4b7f781181aadf9045ae8ae2ae723bf0f0ac0f1835eed95644a92deda039799f2b8bfd74ff5cfcfae22996aa

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2492-81-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2492-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB