Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe"
    1⤵
    • Checks computer location settings
    • 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:1156
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\Temp\{B2A29D4E-93D6-42BF-81BB-77A306FF7CA4}\.cr\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe
        "C:\Windows\Temp\{B2A29D4E-93D6-42BF-81BB-77A306FF7CA4}\.cr\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe" -burn.filehandle.attached=544 -burn.filehandle.self=548
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    c324431305861add7ddf9186a9221bd9

    SHA1

    61855e1f81606f3cb336f842a1cdd697c7a40912

    SHA256

    f331213f5bcfed2a6dba0dc0c97b5b309c00b013dc47bdb4726d51cf2c274570

    SHA512

    4b532b2bf6eaf3f618bb08b0a6f7af88ce23d76df146b2d007d5a8224ea0463525a86aacc996468cd3a513404aa66cbc516ed27aa9bd142e46492b160d411dc8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d44add7df039ad0f481a9abbe59ee75d9c8652c763642ae98192e80185a0bf3bN.exe

    Filesize

    635KB

    MD5

    ae0540106cfd901b091d3d241e5cb4b0

    SHA1

    97f93b6e00a5069155a52aa5551e381b6b4221eb

    SHA256

    8cd998a0318f07a27f78b75edb19479f44273590e300629eff237d47643c496c

    SHA512

    29bb486bfdd541ba6aed7a2543ff0eb66865af737a8fb79484fb77cb412c3b357c71c16addf232c759d3c20c5e18128df43c68d1cba23f1c363fd9e0b7188177

  • C:\Windows\Temp\{CA211FD7-9542-42E8-8B77-C94E3C1AD624}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Windows\Temp\{CA211FD7-9542-42E8-8B77-C94E3C1AD624}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

  • memory/1156-142-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1156-176-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1156-178-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB