Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 00:12

General

  • Target

    7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe

  • Size

    1.4MB

  • MD5

    e4dbcc32057b4364276880305d0f05a0

  • SHA1

    37535752fd81738acef8364f2488747ec9ad19fa

  • SHA256

    7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972

  • SHA512

    42d69b521dec8bb6ff768e9b281ca1b2e8b6d84d3fb19e2562934924b7223ea9abc612606f155c1e2846cd685d69a4f2fd18e9f8fb9f6042edc525cfa0234294

  • SSDEEP

    24576:w9do5DsVJSQykLZS5AfmYHif7qePXscEhqsUsMlc:+o5YVJSQVU5AfmYC7lscE0sUsM6

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 3 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe
    "C:\Users\Admin\AppData\Local\Temp\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.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:2096
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe"
      2⤵
      • Executes dropped EXE
      PID:2248

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\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe

    Filesize

    1.4MB

    MD5

    620df0876fb7be820ca65785e077043c

    SHA1

    2deadebbb604bcbee0a5c452fee512ed97b05f98

    SHA256

    6fc3d4ab38a56687c1c709b6fb2e2f2010b54c4a6d705abe632660b737a4180f

    SHA512

    a73b2b76ead71c525e1497e32566a8e557c8aa8767e42f908836ffa01cd63d860550caf2ee8e0d7246dbb563060fa4b2028b1ddbb2338aace06e47807921e5b5

  • memory/2096-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2096-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2248-85-0x000000013FD90000-0x000000013FF12000-memory.dmp

    Filesize

    1.5MB