Analysis

  • max time kernel
    96s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 02:30

General

  • Target

    b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe

  • Size

    1.9MB

  • MD5

    b0e4be525d97d39f0cb74035428696c0

  • SHA1

    5ad81ab9a2bd88a561905740fa4d8aef6d99fce2

  • SHA256

    b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6

  • SHA512

    7019f7a0746d7e717e9b9f36382b47998875b30a5f72673cb518f6c2ae104db0dcf5d94a97e0a1ad1585defe0aaa70df722a52dbd0ad83866808a8bf4e0713ab

  • SSDEEP

    24576:rmF/VtOQErDkyMx1znmF/ADMijR2hERJIVFGYmF/g:iF/VterDkhmF/AZRbPyFMF/g

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

  • 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe
    "C:\Users\Admin\AppData\Local\Temp\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.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:4128
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1996
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2992

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

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\b2a7e01c4bd57bdab49bd89c4938852bd481a468db3e324fa7397caddc2b66b6N.exe

    Filesize

    1.8MB

    MD5

    6f47747e573417f6c0e1c3e755e340ec

    SHA1

    81767a1efb713b742ce95631717a54e1f127c0fa

    SHA256

    fe754aca398ef41f19938802c3b7de776c988c6bd0e35615aefbdc5f7a1b54a2

    SHA512

    aaa311ec21ab244851cb175909b356ac1e98ff0453922ad738cc68dc68a8994135be02a24f5bda9bbb58ea3cfb6717b87e82b4f4ed46627db1338109969e2923

  • memory/2136-12-0x0000000073D12000-0x0000000073D13000-memory.dmp

    Filesize

    4KB

  • memory/2136-13-0x0000000073D10000-0x00000000742C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-14-0x0000000073D10000-0x00000000742C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-66-0x0000000073D10000-0x00000000742C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4128-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4128-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4128-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB