Analysis

  • max time kernel
    181s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 11:22

General

  • Target

    79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe

  • Size

    262KB

  • MD5

    4554656c7ce6c0df0cd78af2d47a1607

  • SHA1

    c308ce5493eb8a23920c644fd082ed883e5eaaa9

  • SHA256

    79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7

  • SHA512

    57da177fda080834d0a3adace28d247443906f86083ba7a9c2d89f991d6c61889f652ea4eee98e34af605fd81af0479848bf14a7acb51b81dacf080f77cd7b6c

  • SSDEEP

    6144:k9/nKzTYO8xJbsMLf7ZVVRrBMvp2G3vpdeKNI:GnKzTY/6MLzZVDBMvp2G/p/NI

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\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe
    "C:\Users\Admin\AppData\Local\Temp\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.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:1620
    • C:\Users\Admin\AppData\Local\Temp\3582-490\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe"
      2⤵
      • Executes dropped EXE
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe

    Filesize

    222KB

    MD5

    f912b591ed4d66859db96b29749469ed

    SHA1

    761d007f2b8c3dd6de7f1156b152e6eeeb6e733d

    SHA256

    a9612e970c0b6b70e200939388a473d1766a76006602032574c02fde620e90ef

    SHA512

    6d71256dfa403df29e487c6ef9a097c3581e1170cfca48b16ee95e0fee9f731e1b97189f75eac21117b568008e4113a4834248c3a0c2855b3aad170952c32b77

  • C:\Users\Admin\AppData\Local\Temp\3582-490\79da392453c7a6784610d7523e19ec16fcb462b3ae2d13808afcf392db6c5ab7.exe

    Filesize

    222KB

    MD5

    f912b591ed4d66859db96b29749469ed

    SHA1

    761d007f2b8c3dd6de7f1156b152e6eeeb6e733d

    SHA256

    a9612e970c0b6b70e200939388a473d1766a76006602032574c02fde620e90ef

    SHA512

    6d71256dfa403df29e487c6ef9a097c3581e1170cfca48b16ee95e0fee9f731e1b97189f75eac21117b568008e4113a4834248c3a0c2855b3aad170952c32b77

  • memory/1112-132-0x0000000000000000-mapping.dmp