Overview

overview

10

Static

static

3

e4b62be55e...6N.exe

windows7-x64

10

e4b62be55e...6N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 02:11

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe

  • Size

    1.2MB

  • MD5

    edfb87bff398aa8d94dc1b927ae2e150

  • SHA1

    5ef94f8e617937cdc38e946dd8c0bc8ac7941cf8

  • SHA256

    e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466

  • SHA512

    7044ba8bb296d053adf5c4719bde7d25eda361cde07e7efd5a0e4aa8947aac04c3c5d4dabbd2f7933cddb4f0c2a708b33fac974b922f7d60f87fe09f3bc4389e

  • SSDEEP

    24576:8v6fpAkuHzpns+ybBobfDPPB2tKxgXhAB8ynlaSy:MvzHzpns+ybB0PB2tXhAB8ylw

Score
10/10
neshtabootkitdiscoveryevasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Neshta

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

    persistencespywareneshta
  • Neshta family
    neshta
  • Checks BIOS information in registry 2 TTPs 3 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.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Maps connected drives based on registry 3 TTPs 3 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe
    "C:\Users\Admin\AppData\Local\Temp\e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Maps connected drives based on registry
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:412
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x49c 0x300
    1⤵
      PID:408

    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

      c324431305861add7ddf9186a9221bd9

      SHA1

      61855e1f81606f3cb336f842a1cdd697c7a40912

      SHA256

      f331213f5bcfed2a6dba0dc0c97b5b309c00b013dc47bdb4726d51cf2c274570

      SHA512

      4b532b2bf6eaf3f618bb08b0a6f7af88ce23d76df146b2d007d5a8224ea0463525a86aacc996468cd3a513404aa66cbc516ed27aa9bd142e46492b160d411dc8

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\3582-490\e4b62be55e0d3fa8f4a32e1af77ab303b2fd052e0c4eaf0a7feafd24489ca466N.exe
      Filesize

      1.2MB

      MD5

      8cf6b4471ecedd214e999a54fc2e1827

      SHA1

      7ff1c710b6dc0973c55eae6a779b75ef8c9e64f6

      SHA256

      1ad85d9ad53ac373fc84ad28e5b2d2c58d859ccb0cf7192791ee4f10d8824906

      SHA512

      6277c885795d85cd31e351ddab711ee9543399ce8ef8745fbe00b82c232936de9615c9c0ca008c7f6edecf85d268aa91cb0abfc61b5fa07000304e9b061a1dc8

      Download Submit

    • memory/412-20-0x0000000002280000-0x00000000022C4000-memory.dmp

      Filesize

      272KB

      Download

    • memory/412-11-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-18-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-17-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-16-0x0000000000401000-0x000000000061D000-memory.dmp

      Filesize

      2.1MB

      Download

    • memory/412-14-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-13-0x0000000002280000-0x00000000022C4000-memory.dmp

      Filesize

      272KB

      Download

    • memory/412-19-0x00000000022D0000-0x00000000022D4000-memory.dmp

      Filesize

      16KB

      Download

    • memory/412-21-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-15-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-115-0x0000000002280000-0x00000000022C4000-memory.dmp

      Filesize

      272KB

      Download

    • memory/412-116-0x0000000000400000-0x0000000000671000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/412-118-0x0000000000401000-0x000000000061D000-memory.dmp

      Filesize

      2.1MB

      Download

    • memory/2548-119-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

      Download

    • memory/2548-120-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

      Download

    • memory/2548-121-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

      Download

    • memory/2548-123-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

      Download