Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2025 08:22

General

  • Target

    7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe

  • Size

    407KB

  • MD5

    831673cb47dce4648dacd4a4e31b7fe0

  • SHA1

    e4d7c32f4ab0c4784fd18a28096ddea6ce00d1b4

  • SHA256

    7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873d

  • SHA512

    e68d272214fc2ceaf5895cf9e935008751e59bb19689dcee071d4dcea8467c5819c706db791dfb6854d09f4dbb5e41baceb73d551b21ffb9ff3b128b2642de9b

  • SSDEEP

    6144:k9wsgixWYchKF7BrEniWtzMbSXWiG8AN2FJIXjbAOyn3Bu1QawJ02ipM:XixWYc0F7BrEiQzMbe2wnRGQa+3GM

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\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe
    "C:\Users\Admin\AppData\Local\Temp\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.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:2440
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe"
      2⤵
      • Executes dropped EXE
      PID:2432

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\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe

    Filesize

    366KB

    MD5

    1049e9985fc6b674b9f4c0ed7c27c619

    SHA1

    4d89d317709e83dee78e04f20f2819a97ffc81b0

    SHA256

    b7ca367aa2e4b12edb6f557549eda36708810cc15d087ace9eb6de9c21e32c00

    SHA512

    e4779331bb2db014878c111f2f144808e71e6be6dc76764ea0aa39610fb4b796beaaac8e580942689f3ead856d6a1be995fdad928753087170be41901e69667a

  • memory/2440-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2440-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB