Analysis

  • max time kernel
    73s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 20:04

General

  • Target

    4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.exe

  • Size

    2.8MB

  • MD5

    cde936578f97396803dcd7f6cd39f7c0

  • SHA1

    c9a33262e51676dde01aa89c3b4eba8287726ef4

  • SHA256

    4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274

  • SHA512

    0286cf13bb5306817b572707a5feaac84f2504b22b7eda0a8d2a153e3c092784fe05625995b5428898fecc515d6a62c965a83e9c3b293307e1ec692d70877d0c

  • SSDEEP

    49152:EjP1oGx8BdRt3H/Nm2EYwfgq9UWrV88J2Erosn7uaszeq6UHb6Xy//vbD:0kDwJPkyasn76QBCnn

Malware Config

Signatures

  • Detect Neshta payload 5 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\4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.exe
    "C:\Users\Admin\AppData\Local\Temp\4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.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:1740
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.exe"
      2⤵
      • Executes dropped EXE
      PID:1236

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\4c0840759ca99f46179ad19bcfbe187adfc6c7d46200b607d46832abb63e2274N.exe

    Filesize

    2.8MB

    MD5

    d398158f37e7fca7c304f4d3ca5a9462

    SHA1

    c23da0de4f504f3ff92697b9bbf3263f19ae2df9

    SHA256

    d9f8e106b15e196df08c81aa044d5d56e641061bbe35a9f944369ed8b2183131

    SHA512

    be958b2d3895946ed59c06bbe258e1e3442185481ea756959a1a26b2d9b65ed6b7a829f5835f51ea731a141083bdeb24942b487a158cdbbf6399f40131f92d55

  • memory/1740-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1740-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1740-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1740-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB