Analysis

  • max time kernel
    93s
  • 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
    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 14 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 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
    • Checks computer location settings
    • 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:1412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    468b1af869cfcf42975c0ffacb91b550

    SHA1

    9908a27271ebf9a4a278bf12cb72d1d8cf5e6d75

    SHA256

    d0abaa6204734bf39e7db0ab36dfb60a53d949e2637558e09df68fbb63b9db91

    SHA512

    da6a0f79be4ba38b7fdb06f33428ba2d6f5a59648f58b175e96abb49b8a7d1bf0857de50f49689adc27566293d9ec2b43cc094a60dd85eda5ef5c6c4ee898619

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c6b616f1e523cf0164abfdf61bed202e1b063ac7114966adb4e3dc6ff31f3234.exe

    Filesize

    2.0MB

    MD5

    008fafa51f1335786971cedc364e490f

    SHA1

    e538b370738df1b92a88d844d96ebb920434cb01

    SHA256

    d2eb3b22027600eebe88de9e8965ef498403caf5a99254bd59af24b6bf64af2c

    SHA512

    e82ce304ad41ca228ac4193e6e4ee653a0db3e70b16ea6ce3024ddeb6b2f5389adb6340898b96a748c03df3b84337ff9a7241c5ca917bda47f7be686a346c9d1

  • memory/1412-26-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-102-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-5-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-2-0x0000000000401000-0x0000000000406000-memory.dmp

    Filesize

    20KB

  • memory/1412-15-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-1-0x0000000077294000-0x0000000077296000-memory.dmp

    Filesize

    8KB

  • memory/1412-0-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-100-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-101-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-4-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-103-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-104-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-105-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-106-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-107-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-108-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB

  • memory/1412-110-0x0000000000400000-0x000000000090A000-memory.dmp

    Filesize

    5.0MB