Analysis

  • max time kernel
    94s
  • 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
    23-11-2024 13:29

General

  • Target

    562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.exe

  • Size

    605KB

  • MD5

    9fff7f8a4111c86f0c82df1c79fe5fa0

  • SHA1

    29db1c7f77242da9738f218763a216b1505c2c7f

  • SHA256

    562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0c

  • SHA512

    29d0527b599d532d63a768efb7007b5666c3a51d12b177872856ab5db03b74cabf846f1de576958d549145924b94f8bc09932d11a57912bf82960dbc7902c0cd

  • SSDEEP

    6144:k94jBoxq+i93njWjK9AerZhLCbawUBiiRZoAu+5cKjJkohRMYdik9QaYG4y:JjBoxq+Ej32iLC9AzEAuRgJko4AV4y

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\562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.exe
    "C:\Users\Admin\AppData\Local\Temp\562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.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:1144
    • C:\Users\Admin\AppData\Local\Temp\3582-490\562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.exe"
      2⤵
      • Executes dropped EXE
      PID:3800

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\562ba6aa02e08bc79144062b7945a6d24c64804be3bafc03a98f9409f5843a0cN.exe

    Filesize

    564KB

    MD5

    418353fb66b2e8f96083351701825219

    SHA1

    20004ff06608148bbb5a3505b952059c1518a223

    SHA256

    14b73c95bc40b2cfca54bc31a521372583eacf58a08b747eb869573a4e41fb70

    SHA512

    7e15a96ad842a76c0eb533f9234cc31d204b1fdad3748833fddfb339b97a1893c430ebaa9e9108f00d1d5882abfeb8e795f5337c77f7dd19f49438e8b1c7253b

  • memory/1144-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1144-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1144-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB