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Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 17:56

General

  • Target

    ff46ae99f33f6bc84371833c398002d0N.exe

  • Size

    96KB

  • MD5

    ff46ae99f33f6bc84371833c398002d0

  • SHA1

    fc23fb1f708871b953a3c63c5fd07cd5672d3196

  • SHA256

    3199f4fa1d4caba4ae9378eca496053379f588b4a3c2dd2309a299535a096a46

  • SHA512

    dc762d47b7378df72007353cc40bdad58cd7103a3d2255e9048490e4f01fad78842f093239aef4477b1d55f0d095788d5670b70b262e69e1e37408898a9a3baa

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJtVlK7OTwGP8li9qgzSJhZd:JxqjQ+P04wsmJCCVlKe/whH

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.

  • 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 2 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\ff46ae99f33f6bc84371833c398002d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ff46ae99f33f6bc84371833c398002d0N.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:588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ff46ae99f33f6bc84371833c398002d0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ff46ae99f33f6bc84371833c398002d0N.exe"
      2⤵
      • Executes dropped EXE
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\ff46ae99f33f6bc84371833c398002d0N.exe

    Filesize

    56KB

    MD5

    6aded2d4c34022a61b3235eae0d0d4ca

    SHA1

    d591b71ef61e529094ec4b545b50663e1368e42b

    SHA256

    dd885336dedb9d831c9dbd1b84db1f87fffe065b257cc443ca6c509d86a06623

    SHA512

    48a6a789b2755882a51f2f504e2b0eea6d929c4c7d4db88c415210c871ae266d24702e876b063c39f7e23b45ebfddd786dbd5e5ea9ff80b7d197cbc804d8e57d

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/588-15-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/588-14-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/588-89-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/588-90-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/588-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/588-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2520-16-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB