Analysis

  • max time kernel
    26s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 05:41

General

  • Target

    d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe

  • Size

    675KB

  • MD5

    bf3db4b22919264d2f4112f6ced57510

  • SHA1

    9455d56444caf8f63f5471c99fe0ae40dcf58b51

  • SHA256

    d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3b

  • SHA512

    6907b56394075e889531e664d9bd8f196f2511612d1735a3c244a12c93fde028887488ca470b8b72f31b08bd5d0ed939e737354b49e86f2e796a8366403925a6

  • SSDEEP

    12288:0skY7gjcjhVIEhqgM7bWvcsi6aV/LIysU40vy3W/ceKSHMsiFyY6XNnnMwJ:0sZgjS1hqgSC/izDfHjymk4HM5yJnMK

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 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\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.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:2884
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Windows\Temp\{92DA020E-64E2-48F2-8301-4FCF9A5053F8}\.cr\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
        "C:\Windows\Temp\{92DA020E-64E2-48F2-8301-4FCF9A5053F8}\.cr\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2236

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

  • C:\Windows\Temp\{3083AF40-D329-4F0E-8DD0-6C212FB5AC9B}\.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\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe

    Filesize

    635KB

    MD5

    ae0540106cfd901b091d3d241e5cb4b0

    SHA1

    97f93b6e00a5069155a52aa5551e381b6b4221eb

    SHA256

    8cd998a0318f07a27f78b75edb19479f44273590e300629eff237d47643c496c

    SHA512

    29bb486bfdd541ba6aed7a2543ff0eb66865af737a8fb79484fb77cb412c3b357c71c16addf232c759d3c20c5e18128df43c68d1cba23f1c363fd9e0b7188177

  • \Windows\Temp\{3083AF40-D329-4F0E-8DD0-6C212FB5AC9B}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

  • memory/2884-133-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2884-168-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB