Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 20:08

General

  • Target

    2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe

  • Size

    3.0MB

  • MD5

    1deecc2f7732b31aa8971a8bed015f20

  • SHA1

    dd6bd45a434217f1cbcbda8cdea8cdfc66c841ce

  • SHA256

    2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804

  • SHA512

    dae380f0a563d67686b8cdb7863809f64dd0f69eaf364d786cccc702c73c0902ed425d27a5bddbaa99b7c4ecac618b45258bcd834b352b3b5c38452086d33d01

  • SSDEEP

    49152:ftLBcXqFpBR6SVb8kq4pgquLMMji4NYxtJpkxhGjIHTbd333p7Wd:ftLutqgwh4NYxtJpkxhGO3334

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.

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.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:1232
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2132

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\2ac6499d350ba13cfdb6f1e24be069e274b8cf063b7b5ffe6ed93ddd3820d804N.exe

    Filesize

    3.0MB

    MD5

    2a604671751dab404578b623d27de8ad

    SHA1

    7a1d2314bdbf4e5f779c71c79f005e66279a2be0

    SHA256

    f10e5f6463e960b66f7f70b32005fe95fca7133e3d5f44982d2003fac13a2a8f

    SHA512

    a09e1bd591af61537136b083a736be98746ddfe0534085e41bc469c53bee1e62839a07f0815b2730838f79d53ff6a35638be4827c81d6a4f49142c3643f91674

  • memory/1232-87-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2132-11-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2132-85-0x0000000000400000-0x000000000070B000-memory.dmp

    Filesize

    3.0MB