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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 11:24

General

  • Target

    622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe

  • Size

    881KB

  • MD5

    3b7a29fcd554ddc72806f39ddd00a690

  • SHA1

    0c176fd878ea301ca25dcde80bf22d0f3b1c0844

  • SHA256

    622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c

  • SHA512

    656457e083e1c40ae3bf78379a64d70e6066a37c358572729fa197b7001d959bf35b41c459c67506388da58b3a7fffb8af26674b308faf2cea4ff21c98a01a19

  • SSDEEP

    24576:S8uOifB5jY+ucT7nHPePa0PrC8JzGhVXn7:vuhvhTbvAaWCbXn7

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.

  • Reads user/profile data of web browsers 2 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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe
    "C:\Users\Admin\AppData\Local\Temp\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.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:2148
    • C:\Users\Admin\AppData\Local\Temp\3582-490\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe"
      2⤵
      • Executes dropped EXE
      PID:3868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe

    Filesize

    841KB

    MD5

    c9fb228dc7571a5a60e478a4cf88c2d9

    SHA1

    200ff8b3b62b35e75bd9ab22c7bbd9e8cfd6d077

    SHA256

    b252cc645400ceb9322cfeedca8fd655d38ed48b07d2d1dfc7c883168cb3b9ed

    SHA512

    773452e90656557eb2655ab43f6840c9d88feac983a414b40fe36007979459b317ad4fbaaeb6d2e9de25d45d0742ba147883e42ad11f28b869d3379f08f78d1a

  • C:\Users\Admin\AppData\Local\Temp\3582-490\622295d6561a1e13f7ddb40ec2e8db8e1f6ea25a9df42def48a0bb942c75be8c.exe

    Filesize

    841KB

    MD5

    c9fb228dc7571a5a60e478a4cf88c2d9

    SHA1

    200ff8b3b62b35e75bd9ab22c7bbd9e8cfd6d077

    SHA256

    b252cc645400ceb9322cfeedca8fd655d38ed48b07d2d1dfc7c883168cb3b9ed

    SHA512

    773452e90656557eb2655ab43f6840c9d88feac983a414b40fe36007979459b317ad4fbaaeb6d2e9de25d45d0742ba147883e42ad11f28b869d3379f08f78d1a