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Analysis

  • max time kernel
    105s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2024, 10:06

General

  • Target

    740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.exe

  • Size

    3.5MB

  • MD5

    0616fabc7441f4cce11052d4a9226410

  • SHA1

    510163210f99d0b34d0b2f868bbfa6e2dd524260

  • SHA256

    740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44

  • SHA512

    c161a9fcfe99953737304475afcfb7ee56e82cf75fd6a56f1fd24bef9d8f459eafbb43c6b29d51d4a74407a07814b2541a16d2ba551bd35ff91a2041f338b46e

  • SSDEEP

    98304:GBoLCBsyIEB0IJ9oViAsKaA0/skqXf0Fye8iOb8XN6:GCLuIEB0A9oV5PkSIyeZOw4

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 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.exe
    "C:\Users\Admin\AppData\Local\Temp\740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.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:2128
    • C:\Users\Admin\AppData\Local\Temp\3582-490\740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964

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\740b3da3912588d2debe4efc6cfb970abfdf4180ffb86f2b5fe90fefdad0da44N.exe

    Filesize

    3.4MB

    MD5

    66356dccaf307a75757b3d3e86ec5011

    SHA1

    b49399bbb0d0dbdad33d6aa944c0a9ada9955541

    SHA256

    3598f39c809c7fb3c3f301bb4c5764459eae483b5c3f96dd6cf3de0f0d476087

    SHA512

    c9a10cc8337917b9648d82ca6ad55df73b9a15c578b8b962becd3b3f49a6b296d871fcced143a1189ce875c794e4ec5fba512fd506aaf5cfb43952a5a3ced924

  • memory/1964-34-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/1964-21-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

    Filesize

    9.9MB

  • memory/1964-12-0x0000000000DD0000-0x000000000112A000-memory.dmp

    Filesize

    3.4MB

  • memory/1964-11-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

    Filesize

    4KB

  • memory/1964-35-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/1964-39-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

    Filesize

    9.9MB

  • memory/1964-89-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

    Filesize

    4KB

  • memory/1964-90-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

    Filesize

    9.9MB

  • memory/1964-91-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/1964-92-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/2128-93-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2128-95-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB