Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 10:23

General

  • Target

    9bca97c41e2e273887171372b762a1e0N.exe

  • Size

    199KB

  • MD5

    9bca97c41e2e273887171372b762a1e0

  • SHA1

    1c742f0e2fb8d729d3d7e80d6b9a21c1f61b8944

  • SHA256

    9817eaba67a45da3e5e87b38d5fc1f3c842bf6a0f90ddb9fce79fc77dd98c12a

  • SHA512

    ed26c1faae25d1b707177eb548b5b5e640d83f998fcb26cefe6cb583b4b18e0c32928218d380a9c646adf145e5a7938007550024e6ed7911211230649eb2ef13

  • SSDEEP

    6144:k9gF9UG8uTBmC7Igf3csFRR9egZIrRR9egZIr:BUG8uTQC7IgPFRR9VZIrRR9VZIr

Malware Config

Signatures

  • Detect Neshta payload 2 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bca97c41e2e273887171372b762a1e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9bca97c41e2e273887171372b762a1e0N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9bca97c41e2e273887171372b762a1e0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9bca97c41e2e273887171372b762a1e0N.exe"
      2⤵
      • Executes dropped EXE
      PID:1448

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

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9bca97c41e2e273887171372b762a1e0N.exe

    Filesize

    159KB

    MD5

    8c65508cc51677d81b87b11bfee60290

    SHA1

    8dce09f08e1c993ee484fc1f171958fc8220dfd3

    SHA256

    1ca7c1bec22e2eb6154ba01863a685bec98e3e272581d305bb29511471e84eae

    SHA512

    337dc96114d8ecb12ba5db96844b8202fb26f62531fcc614d025d606cf7ebe8b44ac59944080485e3b5c412838e0ffe6d0000a7e5e0bfa73df3be617e8fee6cf

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/1748-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB