Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 22:55

General

  • Target

    5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.exe

  • Size

    296KB

  • MD5

    60b8b437e16408e6e16feafe37067abd

  • SHA1

    bc4d1a88b48a1b7485b27e6b85209b8f02743c5c

  • SHA256

    5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5

  • SHA512

    e0f3094b4e2e47a9738785e15c48a7d187b17030bc3c21a5a7bab28cadfb131495cfa38261a780047c92242ddcf27dac879335642cb0e83142496f8abfdb948e

  • SSDEEP

    6144:k9z/ZGzLI2hXWaBn4GgmRhXjxS6fgALAo4pg+dFzbOFImDJGdQsThHpPgH:lzE2lBFr5zm+kdQsFHpPg

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 5 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\5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.exe
    "C:\Users\Admin\AppData\Local\Temp\5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.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:2352
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1720

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\5d8929c6c1f627f4d8a0cb496d8ce7d0b19c2e509ff9accd88f160cef29d4df5.exe

    Filesize

    256KB

    MD5

    c8261f8542f9b1ad13379a46a5e999e7

    SHA1

    6ac83ecf891efe8e4111c216a8cbd31a82718bc0

    SHA256

    f031d0c6b1b87258910eba6b443d5f1f66bfbd9584b9a362b0b68789b9b86e83

    SHA512

    d926ad8e64055cafc451c8fb7aba0ef52caeb0c3db7b8ba697ecae91a1abcfbd93faca85a8e0dc73552d766ddef7e325626ddeb778d2713ced33574adaaf7b0b

  • C:\Users\Admin\AppData\Local\Temp\SetupLog(0002).txt

    Filesize

    949B

    MD5

    d3e6c73fda279e039e489cd9b467f3e1

    SHA1

    562c19243458d9dc0e48c02991c2bfca5ddf4c1e

    SHA256

    aac3e13d19230b7bc3be29c11d51a026673cdfa25b9988dc6541c5869cba5abb

    SHA512

    cac8982ebbc73e5c65a5069e7582fd5b696a8a83c6182a26ee18f67b388ced2142c3f05d04af63581dc021b5c9ad25f33108a1e0a2baab2c1bc27d06457bfe08

  • C:\Users\Admin\AppData\Local\Temp\SetupLog(0002).txt

    Filesize

    505B

    MD5

    150ead753c8d4e1dbfb617693872e110

    SHA1

    a7437d55ffdd8b16f1868ea6c0b9e1f1c278f4c4

    SHA256

    9701f1fb7503e0ce797a988daff127f0cdff2bf31319f18576ac0228b4bfd8de

    SHA512

    7b8dd244686c965954cec5137b220db1ca204525a2b0105cf1bffcee26bb775fd8968944c05068feab92fb62b55849758a309bccea94d57552db7903087c63fa

  • C:\Users\Admin\AppData\Local\Temp\SetupLog(0002).txt

    Filesize

    828B

    MD5

    389f7b275f7861c8601a1f78e1f41149

    SHA1

    07dd6a90f00bb2194d175642fb928e76bb9af8d0

    SHA256

    77c90cc37506a28417d3815afd71cb7ca3aada5fc57950591de688bda3772510

    SHA512

    4f5473ab9c94897af4170b892b542a7299b9474469fd526fe0386bbe3439e87c538c515b6074b5fc5a3ec68bd6ece8e7629636e2fff15d12e5efdd744f6a5b41

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2352-119-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2352-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB