6b97421bd4fbe1bdfe2fe040f11788dc664faa5e4b432e8ff30a7cc20ff551a5

Analysis

max time kernel
149s
max time network
138s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
18/04/2026, 10:57

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General

Target
2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe
Size 681KB
Sample260418-m2ncfaf16s
SHA256 6b97421bd4fbe1bdfe2fe040f11788dc664faa5e4b432e8ff30a7cc20ff551a5
MD5 0562a5ac6eaf4bd3005ca1ad0cb3156f
SHA1 17b61bf9c313f18bc40d017c39c81da096ba823c
SHA512 50ed5be6fbe1019ac3aaec050c814d227575868d790e5e21a904aa1d0ed7c384a49d3eb2e32698696433c9a95ffd6574a4968a5def0b9fb1b4cfd3fae5f5ae1b
SSDEEP 12288:cSfSps28tL4l4Xzqs4f2S3heRW2ULNLw6VNCsJlgDrEk:f0O0WX1rSxIW2oNxmYlgDrEk
TLSH
T1C5E4F11272C899A6CC096432CB62A678F6E7CDC84F228EE75384763D8B36584D73F574
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Custom signature

Detects executables containing base64 encoded User Agent 5 IoCs

resource	yara_rule
behavioral2/memory/3180-19-0x0000000010000000-0x000000001005F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3180-18-0x0000000010000000-0x000000001005F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3180-23-0x0000000010000000-0x000000001005F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3180-27-0x0000000010000000-0x000000001005F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3180-33-0x0000000010000000-0x000000001005F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

pid	Process
3680	nwaxi.exe

Executes dropped EXE 2 IoCs

pid	Process
3680	nwaxi.exe
3180	mwt.exe

Loads dropped DLL 1 IoCs

pid	Process
3180	mwt.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\Disp = "c:\\Program Files\\jnkdz\\mwt.exe \"c:\\Program Files\\jnkdz\\mwtwf.dll\",Dispatch"	mwt.exe

Enumerates connected drives 3 TTPs 23 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\m:	mwt.exe
File opened (read-only)	\??\v:	mwt.exe
File opened (read-only)	\??\x:	mwt.exe
File opened (read-only)	\??\z:	mwt.exe
File opened (read-only)	\??\k:	mwt.exe
File opened (read-only)	\??\l:	mwt.exe
File opened (read-only)	\??\q:	mwt.exe
File opened (read-only)	\??\r:	mwt.exe
File opened (read-only)	\??\s:	mwt.exe
File opened (read-only)	\??\t:	mwt.exe
File opened (read-only)	\??\u:	mwt.exe
File opened (read-only)	\??\a:	mwt.exe
File opened (read-only)	\??\e:	mwt.exe
File opened (read-only)	\??\g:	mwt.exe
File opened (read-only)	\??\o:	mwt.exe
File opened (read-only)	\??\y:	mwt.exe
File opened (read-only)	\??\b:	mwt.exe
File opened (read-only)	\??\h:	mwt.exe
File opened (read-only)	\??\j:	mwt.exe
File opened (read-only)	\??\n:	mwt.exe
File opened (read-only)	\??\p:	mwt.exe
File opened (read-only)	\??\w:	mwt.exe
File opened (read-only)	\??\i:	mwt.exe

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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	mwt.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\jnkdz\mwt.exe	nwaxi.exe
File opened for modification	\??\c:\Program Files\jnkdz\mwt.exe	nwaxi.exe
File opened for modification	\??\c:\Program Files\jnkdz	nwaxi.exe
File created	\??\c:\Program Files\jnkdz\mwtwf.dll	nwaxi.exe

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nwaxi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mwt.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1804	cmd.exe
3388	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mwt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mwt.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3388	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3180	mwt.exe
3180	mwt.exe
3180	mwt.exe
3180	mwt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	mwt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3960	2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe
3680	nwaxi.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 1804	3960	2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe	80
PID 1804 wrote to memory of 3388	1804	cmd.exe	82
PID 1804 wrote to memory of 3680	1804	cmd.exe	83
PID 3680 wrote to memory of 3180	3680	nwaxi.exe	84

C:\Users\Admin\AppData\Local\Temp\2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nwaxi.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3388
- - C:\Users\Admin\AppData\Local\Temp\nwaxi.exe
    C:\Users\Admin\AppData\Local\Temp\\nwaxi.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-18_0562a5ac6eaf4bd3005ca1ad0cb3156f_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3680
  - - \??\c:\Program Files\jnkdz\mwt.exe
      "c:\Program Files\jnkdz\mwt.exe" "c:\Program Files\jnkdz\mwtwf.dll",Dispatch C:\Users\Admin\AppData\Local\Temp\nwaxi.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3180

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mwt.exe

Path C:\Program Files\jnkdz\mwt.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
TLSH
T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nwaxi.exe

Path C:\Users\Admin\AppData\Local\Temp\nwaxi.exe
Size 681KB
SHA256 f6758d94a692f7cb513852916fe6f2d143640e29a8d19610d2182dcd3264dab6
MD5 dc88e6b04613a5d6694dd585d9ad1e17
SHA1 be6f26fdee21462a01634f535fba3abf3e98d9bc
SHA512 26f980106b595abe9c30c3124b6afda5d538d6710c44ebe4fdfa8ef2b64e6a441751303ccbd8b94cf063edc1e2b834589c1693c28248fb572d120d9145f15233
SSDEEP 12288:cSfSps28tL4l4Xzqs4f2S3heRW2ULNLw6VNCsJlgDrEv:f0O0WX1rSxIW2oNxmYlgDrEv
TLSH
T1D5E4F11272C899A6CC096432CB62A678F6E7CDC84F228EE71384763D8B36584D73F574
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mwtwf.dll

Path \??\c:\Program Files\jnkdz\mwtwf.dll
Size 210KB
SHA256 038902e138733561deb4a15fa255de39550f0e516357258a6ba651e18e1c8129
MD5 ce6c18266e30db3de2f2d6bcf0909fec
SHA1 e3426005d06ab9f91723eef69219519092a22034
SHA512 10be1a43d63c2b7d709a605b6892f41713f5c9e9e146c85cc659a4c7edf1dceebc59b14509102f6a5dde69b6bc3424cfdd98887663b3d9b38ebe37f89532e02b
SSDEEP 3072:MI/38csWuZwCMZ9kfuZJR+go6+n05NkxbmUVg/GXJb8Rps6T+3:9MIuSrZJR+gopn6sCShm+3
TLSH
T17E24F14EF980DF6BC80E0534D86F66759DA1294B5E21836F2B4CE30E3DF2B381516E95
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3180-18-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3180-23-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3180-33-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3180-27-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3180-24-0x0000000000AC0000-0x0000000000AE5000-memory.dmp

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memory/3180-19-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3180-22-0x0000000000B90000-0x0000000000B92000-memory.dmp

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memory/3180-21-0x0000000010000000-0x000000001005F000-memory.dmp

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memory/3680-7-0x0000000000400000-0x00000000004A0000-memory.dmp

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memory/3680-13-0x0000000000400000-0x00000000004A0000-memory.dmp

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memory/3680-12-0x00000000008C0000-0x00000000008E5000-memory.dmp

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memory/3960-2-0x0000000000700000-0x0000000000725000-memory.dmp

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memory/3960-0-0x0000000000400000-0x00000000004A0000-memory.dmp

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memory/3960-3-0x0000000000400000-0x00000000004A0000-memory.dmp

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