Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 15:46

General

  • Target

    f19b98b30792269cfe70749d356f8194b3e05b021927308ce0c5fab093b90acf.exe

  • Size

    153KB

  • MD5

    18d944c1a77b28241767a9d1fadca39e

  • SHA1

    2662f1bfb31080f9f6f77cd4db900afc8e8bc633

  • SHA256

    f19b98b30792269cfe70749d356f8194b3e05b021927308ce0c5fab093b90acf

  • SHA512

    cf8ecf1fd68e0e1bf94dcc6148a1978ebd570f129bdcddc12dc5479a41177e3e630e6486bfe4542e7db189393099e1bfcf1e2339d25d33c63d2ddca59fbcaa8d

  • SSDEEP

    3072:sr85Ck7BTuo4C6iRcP/OfpMpE3CJdooX+Hdk1xT1z34n8z:k9k7ZubH/szI1XKdkJz32k

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f19b98b30792269cfe70749d356f8194b3e05b021927308ce0c5fab093b90acf.exe
    "C:\Users\Admin\AppData\Local\Temp\f19b98b30792269cfe70749d356f8194b3e05b021927308ce0c5fab093b90acf.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
    PID:1100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\f19b98b30792269cfe70749d356f8194b3e05b021927308ce0c5fab093b90acf.exe

    Filesize

    112KB

    MD5

    711a0b5c8ae0d754aeda920e05b050bf

    SHA1

    bd163d0271947f94c836635596e85482e01c27fa

    SHA256

    9fa97fd64d60f38c3184ff9248236e88dce16b7ad44b01198439214ac44531a0

    SHA512

    cea5b06d1c4c9a73c06d941bcb6252294f278d6f5f8e207afaf656f3c025d908a8866866099dffff746cd00bfe64aed638faadcebb100a50433892f1d93aeab0

  • memory/1100-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB