Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 00:30

General

  • Target

    c6b616f1e523cf0164abfdf61bed202e1b063ac7114966adb4e3dc6ff31f3234.exe

  • Size

    2.0MB

  • MD5

    ffaa2795cdbb9b9a2fb8f64ae59ab785

  • SHA1

    5ed394f8cce0ef5a915756e2990c314bb5d9aa84

  • SHA256

    c6b616f1e523cf0164abfdf61bed202e1b063ac7114966adb4e3dc6ff31f3234

  • SHA512

    a3d34b0bf5e4ff6ac4ca7a048b2520abbe9263bb26baaacb3e812372d4a15e072ef0718598d5d2b68deee408ce6dffe42f2754db151516d4c8d98fe996fbe6d3

  • SSDEEP

    49152:o96NRteryADpCW2G7CqreesNLsaisNeX7hwgqXn8D4E0fhbLUOu:o4NRIpcGCq/sqaisG7Vr0fh8Ou

Malware Config

Signatures

  • Detect Neshta payload 16 IoCs
  • Neshta

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

  • Neshta family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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 behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6b616f1e523cf0164abfdf61bed202e1b063ac7114966adb4e3dc6ff31f3234.exe
    "C:\Users\Admin\AppData\Local\Temp\c6b616f1e523cf0164abfdf61bed202e1b063ac7114966adb4e3dc6ff31f3234.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Modifies system executable filetype association
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    90ab4786f389bb5c007e76fc78f8b6fe

    SHA1

    93bec2d4d150c10a82e5db18a9bd6a701588a0e9

    SHA256

    311fb94d95e721b115e4b27b8326331861bfcef274203c903385ad2811ac0f8c

    SHA512

    299d2fe78c8327c54777bb8d8ac580bf3d856e9aef447e261423d4ec87390f8fb030b7d1d33c2f25137279097e667611c181ed60f1a2fefd3591993bd9d63b2e

  • memory/3016-81-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-1-0x0000000077600000-0x0000000077602000-memory.dmp

    Filesize

    8KB

  • memory/3016-83-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-86-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-84-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-13-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/3016-14-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-79-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-80-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-0-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-4-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-3-0x0000000000401000-0x0000000000406000-memory.dmp

    Filesize

    20KB

  • memory/3016-12-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-85-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-87-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-82-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-88-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-90-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/3016-89-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-91-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/3016-94-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB