Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 23:50

General

  • Target

    6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe

  • Size

    558KB

  • MD5

    9ede849b168687345cd23b7b94dc9722

  • SHA1

    ef0d94d63beae24b2971462e6047b964396e2055

  • SHA256

    6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3

  • SHA512

    f99554c416665db030c5e185740e74c5a7f9b349bcc7ebc34f22f14cac7aa13af2e59b9291a212d1fa14234f932187b8bf3b457c64177a8500c70f48c25a631c

  • SSDEEP

    12288:FCtQO4Nai3jk/POpKNpWCmA9rSiPjIfj43mAqkL:FIgNaPIKNpWLGxI02xkL

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\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
    "C:\Users\Admin\AppData\Local\Temp\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.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:3464
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe" -burn.unelevated BurnPipe.{99A5180F-CD49-427C-9EDB-D3B6AAFA56A0} {9FC939EB-AC08-4E64-8563-C5563C675C3A} 4288
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3100

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

    3dda239fe88ea5143e0956776c817287

    SHA1

    53e5d7e488b61cb2f7a914377dd23588c945b55d

    SHA256

    ca203fe27e1cc9479ba75ad539a04ac0fe6c0018829b8dbd8a6f208a99c7d9da

    SHA512

    de4701f3dab11eb77883ed4eecb4e7808c05a84175c8d560b69d73f0f131a1ae85132bea37bda70a51bc75a61ac22cbf1f078b30875b719be0ec8b760c3a8a96

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe

    Filesize

    517KB

    MD5

    02ce786c2214475af0af55857762d07e

    SHA1

    63ca60153ff1eb393f6c6ed5b43c91e516a00746

    SHA256

    29cf2f79b42d4c6743025f1532943d3e09c9cc84887ccf6daa7927d70cfe249c

    SHA512

    33bdb90401a2c86d5cf891e9de93e4f7b6e6121c27dc61a5a45b7ed36406b4211144785f2a66607d38a9774c425da6066b90bde0d451d0d2a626e79bc3acd44c

  • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\wixstdba.dll

    Filesize

    118KB

    MD5

    4d20a950a3571d11236482754b4a8e76

    SHA1

    e68bd784ac143e206d52ecaf54a7e3b8d4d75c9c

    SHA256

    a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b

    SHA512

    8b9243d1f9edbcbd6bdaf6874dc69c806bb29e909bd733781fde8ac80ca3fff574d786ca903871d1e856e73fd58403bebb58c9f23083ea7cd749ba3e890af3d2

  • memory/3464-139-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/3464-175-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/3464-176-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/3464-178-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB