Overview

overview

10

Static

static

10

00270d016c...bd.dll

windows10-2004-x64

10

00270d016c...bd.dll

windows11-ltsc_2024-x64

10

0225a30270...24.exe

windows10-2004-x64

3

0225a30270...24.exe

windows11-ltsc_2024-x64

3

125f75320c...3c.exe

windows10-2004-x64

10

125f75320c...3c.exe

windows11-ltsc_2024-x64

3

133e003cc5...22.elf

ubuntu-18.04-amd64

3

134de049f7...93.msi

windows10-2004-x64

10

134de049f7...93.msi

windows11-ltsc_2024-x64

9

148c2d55d3...57.exe

windows10-2004-x64

10

148c2d55d3...57.exe

windows11-ltsc_2024-x64

10

151e21dde7...80.msi

windows10-2004-x64

10

151e21dde7...80.msi

windows11-ltsc_2024-x64

9

158ca8d131...c7.exe

windows10-2004-x64

9

158ca8d131...c7.exe

windows11-ltsc_2024-x64

7

160dd5158f...f6.exe

windows10-2004-x64

10

160dd5158f...f6.exe

windows11-ltsc_2024-x64

1

166f41385b...f3.exe

windows10-2004-x64

10

166f41385b...f3.exe

windows11-ltsc_2024-x64

7

188b2408a0...99.exe

windows10-2004-x64

10

188b2408a0...99.exe

windows11-ltsc_2024-x64

10

195cdde8bc...d3.exe

windows10-2004-x64

3

195cdde8bc...d3.exe

windows11-ltsc_2024-x64

3

213d6a4c5a...59.exe

windows10-2004-x64

10

213d6a4c5a...59.exe

windows11-ltsc_2024-x64

10

227aff885f...0c.exe

windows10-2004-x64

10

227aff885f...0c.exe

windows11-ltsc_2024-x64

10

231bba5652...e9.exe

windows10-2004-x64

10

231bba5652...e9.exe

windows11-ltsc_2024-x64

10

244ed096d2...6d.elf

ubuntu-18.04-amd64

3

259f9ec106...c4.exe

windows10-2004-x64

1

259f9ec106...c4.exe

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    41s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/10/2026, 17:29

Sharing

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General

  • Target
    227aff885f792fe1bcc142a13b7148482ad8c576fd75e0d92abedb0c7cdc520c.exe
  • Size 4.7MB
  • Sample261011-v21a1ax18l
  • SHA256 227aff885f792fe1bcc142a13b7148482ad8c576fd75e0d92abedb0c7cdc520c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryexecutionnominatuscryptopersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Signatures

  • Family: NominatusCrypto,NominatusStorm

    NominatusCrypto aka NominatusStorm is a ransomware written in C#.

    ransomwarenominatuscrypto
  • Detects NominatusCrypto C# variant 1 IoCs
  • Detects NominatusCrypto DOS executable variant 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\227aff885f792fe1bcc142a13b7148482ad8c576fd75e0d92abedb0c7cdc520c.exe
    "C:\Users\Admin\AppData\Local\Temp\227aff885f792fe1bcc142a13b7148482ad8c576fd75e0d92abedb0c7cdc520c.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet && wmic shadowcopy delete
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^[autorun^] >autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^open^=KasperskyScan^.exe >>autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ^execute=^KasperskyScan^.exe >>autorun.inf
      2⤵
      • Drops autorun.inf file
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4064

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Replication Through Removable Media

        1
        T1091

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Windows Command Shell

        1
        T1059.003

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Replication Through Removable Media

        1
        T1091

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        jaureg.exe
        • Path C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe
        • Size 4.7MB
        • SHA256 227aff885f792fe1bcc142a13b7148482ad8c576fd75e0d92abedb0c7cdc520c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        autorun.inf
        • Path C:\Users\Admin\AppData\Local\Temp\autorun.inf
        • Size 65B
        • SHA256 3861acedffd29452d2fdb96728f7347652bde9353915d3873a7414843f49b8b1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        autorun.inf
        • Path C:\Users\Admin\AppData\Local\Temp\autorun.inf
        • Size 37B
        • SHA256 747ea7ec54ee0bc9b637867de0c451df65c840f757988f5a3b6e3fe6c73ab1b6
        • MD5 SHA1 SHA512
        Submit Download

        memory/1180-0-0x0000000000900000-0x0000000000908000-memory.dmp
        Download

        memory/1180-1-0x0000000005950000-0x0000000005EF4000-memory.dmp
        Download

        memory/1180-2-0x00000000052E0000-0x0000000005372000-memory.dmp
        Download

        memory/1180-3-0x0000000005430000-0x0000000005440000-memory.dmp
        Download

        memory/1180-4-0x00000000053F0000-0x00000000053FA000-memory.dmp
        Download

        memory/1180-3220-0x0000000005430000-0x0000000005440000-memory.dmp
        Download