Analysis

  • max time kernel
    17s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 07:22

General

  • Target

    29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.exe

  • Size

    144KB

  • MD5

    d209c3e37b3a775eb8169605acb86940

  • SHA1

    fe9d9d27bfa2631edc4bc9e0d2ef2cf5bf61428a

  • SHA256

    29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4

  • SHA512

    f63a46d9ac7c5d2e397e592e34ab3aaf529dde52248d5a6acc37eab755aefba993b04c6706085e9697700aa1ac57ccd33f055a335b1fcf48d4f328d983719d95

  • SSDEEP

    3072:sr85CquaJG4vlP6k4qmKjfHYTonqSJ9sfQvTg:k9RaJFvlP1jgT4J4QvTg

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 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.exe
    "C:\Users\Admin\AppData\Local\Temp\29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.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:2556
    • C:\Users\Admin\AppData\Local\Temp\3582-490\29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.exe"
      2⤵
      • Executes dropped EXE
      PID:2084

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\29e86031f9f267436bdef71f24aa4eeabe0661419abd04cc6d690fa75ac18bf4N.exe

    Filesize

    103KB

    MD5

    5bafc0c3f56b2bea7145b11da515249c

    SHA1

    9087952333f60128627e6b906fc8596fa61cb2ab

    SHA256

    80aee50cfba9b11cf74a412b9f6148da4fb325d2296d52af44a530ea7e3ea16f

    SHA512

    e9575108999bf91c421715df43a04d215be29016cf6589daff087fdaba1b5b5ee084f30dc72a6e1911a5ef5f052d822190d01cfe714f66673c4eb811c7055d92

  • memory/2556-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2556-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB