Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 15:33

General

  • Target

    07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe

  • Size

    1.0MB

  • MD5

    f2bf7c14d662b8276fea6ffa17461610

  • SHA1

    d7a5a584d11fb59eb3a7e402aeb9b676410e7b68

  • SHA256

    07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3

  • SHA512

    fe218a26462636f9d35b49bf7bb1cba80bb3eb2bd1488ef98c5a5bc4564f1e370e6069cb2b58d0a319f461de84ea5580842d7c069e6c4c3f99f76ae2f83add7d

  • SSDEEP

    24576:DzXlKZSxpJUlwtC/jCQ6tGh91Ds9H2LUVMhmP3oRaEZ/XAs1:DzXlnAlwtCbM891YVH6/XT

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\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe
    "C:\Users\Admin\AppData\Local\Temp\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.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:2316
    • C:\Users\Admin\AppData\Local\Temp\3582-490\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe"
      2⤵
      • Executes dropped EXE
      PID:1772

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

  • \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\07af1dfe176e125feec5aedcbd13053c4c5c4dfd72cf1b25cf45ea39993aa5d3N.exe

    Filesize

    1014KB

    MD5

    5e807b5dad1b6c81982037c714dc9aef

    SHA1

    2b818f50c0ce821cd0278c714e57cb591b89b715

    SHA256

    ac94fbb73ebd0ce13aea7c1afcba0df9a646cbe5795e804fa0c0ac4eba259e16

    SHA512

    665ea8069e8d75089ef9292dd6f07e19fa7f7fa1294d44f45d017bced0d16c8281260bca4ac7896acbb0dffb483bfb13ba4298d767a4bb1a91d9fa437d6becfe

  • memory/2316-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2316-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB