Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 06:57

General

  • Target

    5ab796cda16d447fbeeade533221f3e502ac2d08231b629ef8417ae976867173.exe

  • Size

    5.4MB

  • MD5

    94abb80f5d12828a0fe90528d7220810

  • SHA1

    ef7399a8c5deab6856b18acbd79b86962f6cee1c

  • SHA256

    5ab796cda16d447fbeeade533221f3e502ac2d08231b629ef8417ae976867173

  • SHA512

    65bf66795c9b6444d778bf2bba260778a44fc1ecd84e3face70a45c3385673e8eea30ae8052dd44e46a97808f709e9aa7aed23e591f3abcc0fb0a50e8fb8aad9

  • SSDEEP

    49152:yZ9wwtKFaLUVATk4RcaTMZdwYJul2PHfuKrnNc6pMmbDpKN4ltBnQEnzbwjKZlwk:yowtroNYZ2kHtYN

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\5ab796cda16d447fbeeade533221f3e502ac2d08231b629ef8417ae976867173.exe
    "C:\Users\Admin\AppData\Local\Temp\5ab796cda16d447fbeeade533221f3e502ac2d08231b629ef8417ae976867173.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:1756

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\5ab796cda16d447fbeeade533221f3e502ac2d08231b629ef8417ae976867173.exe

    Filesize

    5.3MB

    MD5

    95e88ab9a164633464b289aed926ed08

    SHA1

    c5bf0c4af95ce1a42556dfbc76b8c4a2526a821b

    SHA256

    0ffe3ef7a94c8004c8a124f913d23da22c12849f49ce63cc61fd456f80a814fe

    SHA512

    6af83e2872fe08b68a5ab82e82dcc643b0368a481e4e39a7fd30a201339397805ec27067c3567dd6462b9b9dc836223e5a1690c02736b37324104d878a8c6f91

  • memory/1756-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1756-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1756-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB