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
    19-11-2024 20:54

General

  • Target

    ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe

  • Size

    710KB

  • MD5

    bbd3ac7052234a3011cea96446562280

  • SHA1

    5a6f138af8a6e4c6826710b45a36387b2dac1bde

  • SHA256

    ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2

  • SHA512

    6cee14888d28c47538ce78423c5d05b8ab37e6479ffa4e60c0d5bacf5befed5b2bb65c64af3cc3cfe01904ddcc84fdc50989f47ffef6dd231c0b2e0e15a1c5c6

  • SSDEEP

    12288:VmgqnIZuYfCYqFet4CovkM7Dq1nEKwBOaFUuT80iPUOtW:VWnIZuMCxezot7ehbbayn0iPtW

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 2 IoCs
  • Loads dropped DLL 4 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 3 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe
    "C:\Users\Admin\AppData\Local\Temp\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.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:2992
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\Temp\{83C4C544-7CB2-4BD0-A0B5-5A3D4F85D74F}\.cr\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe
        "C:\Windows\Temp\{83C4C544-7CB2-4BD0-A0B5-5A3D4F85D74F}\.cr\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe" -burn.filehandle.attached=288 -burn.filehandle.self=292
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2452

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:\Windows\Temp\{9F50F190-FF95-46C6-BF8E-5F38CCBAF853}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • \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\ed32964edee2d33fbbafc6ed19dd5648d5365d731c8e56a9a36059d87b6b72c2N.exe

    Filesize

    669KB

    MD5

    38b9328b53a786141dc7d54992aa03bc

    SHA1

    b3de0981128c8170b70e977a21c6c7e3e8437d8f

    SHA256

    32e2651799071c5e6c51bdaf0df7823526b25b2f34c01f9472bb159044d62c11

    SHA512

    b5ac7f0675feea295be0553520fd5341e5122ea1e33d2eaffa5d9f9170f5c97b30ea5db25774c00a69ecc48f018412bb1795e357aafc7565e242e5e4025527e2

  • \Windows\Temp\{9F50F190-FF95-46C6-BF8E-5F38CCBAF853}\.ba\wixstdba.dll

    Filesize

    215KB

    MD5

    f68f43f809840328f4e993a54b0d5e62

    SHA1

    01da48ce6c81df4835b4c2eca7e1d447be893d39

    SHA256

    e921f69b9fb4b5ad4691809d06896c5f1d655ab75e0ce94a372319c243c56d4e

    SHA512

    a7a799ecf1784fb5e8cd7191bf78b510ff5b07db07363388d7b32ed21f4fddc09e34d1160113395f728c0f4e57d13768a0350dbdb207d9224337d2153dc791e1

  • memory/2992-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2992-168-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB