Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
    "C:\Users\Admin\AppData\Local\Temp\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.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:2512
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe" -burn.unelevated BurnPipe.{70FF27CA-71D5-454B-92AA-CF91CD22075E} {12CBE795-2AB5-4954-A9CC-F439DF5BCC55} 2300
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    87e339709ee53b308254d26db21e5e6e

    SHA1

    fa6ea8b0e65bb4ddc06486abe5a2a5bf722d3fb7

    SHA256

    522bc5b21a3d0358fa478ee9f1f10799d704eefa1d80b166e10c7eb9af260437

    SHA512

    bdeed8aa02678c5ab821bc16cc95d029ebfbdc3a63db90ca253f99eaade015d6b42fc27d5223decf353766649b88024a76fb1fd076768a30cd7f267732b52f83

  • C:\Users\Admin\AppData\Local\Temp\{74d0e5db-b326-4dae-a6b2-445b9de1836e}\.ba1\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\6482e440904549758cb4584a8a1b276af2d6055f4de2247eb9d069010013d1c3.exe

    Filesize

    517KB

    MD5

    02ce786c2214475af0af55857762d07e

    SHA1

    63ca60153ff1eb393f6c6ed5b43c91e516a00746

    SHA256

    29cf2f79b42d4c6743025f1532943d3e09c9cc84887ccf6daa7927d70cfe249c

    SHA512

    33bdb90401a2c86d5cf891e9de93e4f7b6e6121c27dc61a5a45b7ed36406b4211144785f2a66607d38a9774c425da6066b90bde0d451d0d2a626e79bc3acd44c

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

    Filesize

    118KB

    MD5

    4d20a950a3571d11236482754b4a8e76

    SHA1

    e68bd784ac143e206d52ecaf54a7e3b8d4d75c9c

    SHA256

    a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b

    SHA512

    8b9243d1f9edbcbd6bdaf6874dc69c806bb29e909bd733781fde8ac80ca3fff574d786ca903871d1e856e73fd58403bebb58c9f23083ea7cd749ba3e890af3d2

  • memory/2512-129-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2512-131-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB