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Analysis

  • max time kernel
    151s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 13:46

General

  • Target

    830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe

  • Size

    140KB

  • MD5

    d82b63eca5411a30ace8c9b7628b574b

  • SHA1

    4cbc082e29d0176e4c9d2efd8d7f28c72e1ab304

  • SHA256

    830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a

  • SHA512

    dae64d878a667063eb139f94006486e27873e34ef90bbc708ea97cb1cf8892c1a183cdba6eaa60d9af0f9fdf74c245938d31a906192dfa47604d8399434df06a

  • SSDEEP

    1536:JxqjQ+P04wsmJCGWS5ieWP+xdQ8PoUgiPGnKKKB9XWwzj3a0CQjh5tn+PDqaqaCA:sr85CGn58r8PoUXBzjKY8qaCMT

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe
    "C:\Users\Admin\AppData\Local\Temp\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\3582-490\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe"
      2⤵
      • Executes dropped EXE
      PID:3124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe

    Filesize

    99KB

    MD5

    eb392f1d54b567a77cafd318eefddb6f

    SHA1

    2c9c53a482caaa3b07dd021490229987804a3420

    SHA256

    1391b95309bdf782db6e36ab05e1a15a970d705af3971021649de93ed63ad5d5

    SHA512

    2221d78332dff9d77e9157ab1c0ef92d92ff737c905af61cb5cbe8d81243feabf57fb136c19e0a6658e2fbeaa2b9804fef56618b47785ace3590fb2afb30f7f6

  • C:\Users\Admin\AppData\Local\Temp\3582-490\830480c5b4a7a2b89160a87fa822c34cbbc1d63bba8d51c8882d12d1c800930a.exe

    Filesize

    99KB

    MD5

    eb392f1d54b567a77cafd318eefddb6f

    SHA1

    2c9c53a482caaa3b07dd021490229987804a3420

    SHA256

    1391b95309bdf782db6e36ab05e1a15a970d705af3971021649de93ed63ad5d5

    SHA512

    2221d78332dff9d77e9157ab1c0ef92d92ff737c905af61cb5cbe8d81243feabf57fb136c19e0a6658e2fbeaa2b9804fef56618b47785ace3590fb2afb30f7f6