Analysis

  • max time kernel
    101s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 13:20

General

  • Target

    e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe

  • Size

    4.0MB

  • MD5

    7d2b8d6f85c00168562f5eb9ded39500

  • SHA1

    198801ce21ba4243cf58c9dbefc319580ea3b81c

  • SHA256

    e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998

  • SHA512

    93a226904bbac1954c90c94e9624c7bc0214bc9f76de23ee8fad76c258b69de76c2f11623c335e2db8f43cf73ae34c9957af52d90fb9edb25d8d4f3dd7b51bcd

  • SSDEEP

    98304:7KCGgRNiPGkpfymQiRRwrGi0Csn6lNGBLSpng8NJAtmlwc8:OCgtcYwo6lULSpng8f8

Malware Config

Signatures

  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 33 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe
    "C:\Users\Admin\AppData\Local\Temp\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.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:1924
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    d30b36247185a670852f45098eb9a8e6

    SHA1

    f37447d3b870174444e0834bd13629fc9804e6f2

    SHA256

    e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

    SHA512

    d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

  • \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\e16b967d465e20a0f39149273b0e350e092695784bebcc1ee2d4377ced91a998N.exe

    Filesize

    4.0MB

    MD5

    5936b36e45fe2bd89bfbdffa1071cebf

    SHA1

    3f59a8f53bf5c001667192db3cb6bcdb56696f34

    SHA256

    0ea4c224bb9f058761993db64fe486b362e2ff49924839771ae03b92b66b9c10

    SHA512

    2995033c6e09e6ad52941d87451b1547ff492506f448f958146e3e1cca76f02b6ec49b3fb6a01c7a1f09d01d69ce378492ecfcf227463b0c39b5d62dcb50d80e

  • memory/1924-87-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1924-90-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2732-11-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/2732-88-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB