Analysis

  • max time kernel
    184s
  • max time network
    212s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 17:58

General

  • Target

    9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe

  • Size

    120KB

  • MD5

    601996aa7361b41a9200fbd12c614050

  • SHA1

    72f094b89fc78722f63d38512a838ce39b426816

  • SHA256

    9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0

  • SHA512

    90a4004e92b3c5b2d20ec92d151e2645a7add8f4662eddd6e3452713982bc59b1bf442ba56c9e13c5f5c6165155db5b097db346b3062fec16336a408886a12e4

  • SSDEEP

    1536:OxqjQ+P04wsmJCMdVurBkkEJGM0O7EFLPt8S7dSZDm0+ZCs0HkZGf6Ou36:fr85C9rBwJGdb5t8CkbJ

Malware Config

Signatures

  • Detect Neshta payload 2 IoCs
  • 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.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe
    "C:\Users\Admin\AppData\Local\Temp\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.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:3064
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      PID:2796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe

    Filesize

    80KB

    MD5

    92a1b1c178af342ad1e85cee782ed046

    SHA1

    84c6b14fb7f714d4ae96efec02838611b6ae6869

    SHA256

    1108a1e94983212c65220062fc47c93e1ddc2623009241f67f9e799e68e3ba56

    SHA512

    fb7df34b2fc88f89d9a2d990a2ec5328b0906a67108f44b2a27fc5158071c0856291aa04d2736cf120e354e99bd9b0b43444e2a13ed4e6a4e5e98c000be287f9

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9eb698d5f9cb696ed67d7925a70517d1847ae76eeb00551a4d6821a86a1f32d0.exe

    Filesize

    80KB

    MD5

    92a1b1c178af342ad1e85cee782ed046

    SHA1

    84c6b14fb7f714d4ae96efec02838611b6ae6869

    SHA256

    1108a1e94983212c65220062fc47c93e1ddc2623009241f67f9e799e68e3ba56

    SHA512

    fb7df34b2fc88f89d9a2d990a2ec5328b0906a67108f44b2a27fc5158071c0856291aa04d2736cf120e354e99bd9b0b43444e2a13ed4e6a4e5e98c000be287f9

  • memory/2796-133-0x0000000000000000-mapping.dmp

  • memory/3064-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3064-136-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB