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Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2024, 13:52

General

  • Target

    92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe

  • Size

    7.0MB

  • MD5

    b2e8626b9c464940c199f257d17913d0

  • SHA1

    e341775837951fbcaf4d1883b6bb069132414d3a

  • SHA256

    92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0

  • SHA512

    14e57d5c89f51aef8a20b8284ee81079eaa8d1c8278d3e96dcf49345d2abef2eb2ca870f63b11e45f41b34d124aa0a21d6070930afa5d29504e4cdbbf3288c35

  • SSDEEP

    98304:cA+2LWamCm7fXxMLEO1s4lJ1okbGCz2AEpmRQvFLXDlfseNHK:g6v1hG/AEpmavFLXesHK

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\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.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:2848
    • C:\Users\Admin\AppData\Local\Temp\3582-490\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe"
      2⤵
      • Executes dropped EXE
      PID:1808

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\92767504f2fe3c360416ce3b596ab14aef259fdb5fec03088e088b7c72f113b0N.exe

    Filesize

    7.0MB

    MD5

    55bdca35bcf6f38c475086e3b3540e8c

    SHA1

    84450bcbb564a2762ae43e83f6bb7b71e38593ba

    SHA256

    62c0fd4d1f7f53ea2e987949af7218e3acd0f492344fb4b22bccf25a734dd021

    SHA512

    8cf7110f3f9bf9c8cbc6089783cd1ad42a4144425defc8a31e818633cc28fc42590e2db81d67dbdd6cde27fd77e4dc4c8e5e4c0d1dd1a5acf79251d7f6f4ec88

  • memory/2848-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2848-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB