Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 05:31

General

  • Target

    7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe

  • Size

    242KB

  • MD5

    a6a92609baaccdc4691e599503117900

  • SHA1

    97fc4460ee96f3c1d7bb9550e7379915b72b3a3f

  • SHA256

    7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9

  • SHA512

    93ce67d76047e97966837d4428670a349064d6bf933136817c954602d9db588d95203002199518a082cebb940e36328a4fbd53deb558fcb043aedca0c5f4100c

  • SSDEEP

    3072:sr85CKY33k4G7H+XtVXZMSmAxTeK1+31RP98NIMRUi/0OZZReUPFewA/Y:k9KY33k4Gjm+31Rqf0OpeUPkD/Y

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.

  • Neshta family
  • 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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe
    "C:\Users\Admin\AppData\Local\Temp\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.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:396
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe"
      2⤵
      • Executes dropped EXE
      PID:1544

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\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe

    Filesize

    201KB

    MD5

    6798873be94a91703aed6882f6df5413

    SHA1

    17ca09a67309517636563e2affad6334dd7af6bf

    SHA256

    6c4336b93a6f85f94dd1b547df9377a928c6aed6306ce11b541bbb1350763331

    SHA512

    8d61084710b78b74fcf2287cdf4f2fffdb9c8066c3b4dc4b1f47741d73a56548b7e02c4ba95ad3db3a33a38c04dc1bad34a0ddc32282ecaf3ac3865cf2278bce

  • memory/396-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/396-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/396-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB