310ab67ca252662eabae0d4948a980ced8fa04724e70ba31b6fea1fad3cc129d

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 16:46

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General

Target
2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe
Size 593KB
Sample260804-t9367avfqf
SHA256 310ab67ca252662eabae0d4948a980ced8fa04724e70ba31b6fea1fad3cc129d
MD5 0a1de21bc23fccf1f783c62e160c441a
SHA1 05c637dc3db8bfc87b50d2d044b9656d8acc5f1d
SHA512 517bec1f83b99a45cba14ad557863a39a05ea46486dfe66a0e42e73aa8e88227fac41113163d5378ec400da0fa74a6d430bbbeab7a77864e5a2522e2481a114b
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAd:aqzw2wsEDbZ67fpLyUB/5qLlg
TLSH
T1CFD4AD1372E4C855E1A22A72CC7667F0DEF5BEE4D9358A1F5F803A0D2933E00A6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

bootkit discovery execution persistence spyware stealer upx

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 5 IoCs

resource	yara_rule
behavioral2/memory/5076-13-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5076-12-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5076-14-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5076-17-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5076-20-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/788-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/memory/788-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/files/0x000e000000016cd6-3.dat	UPX
behavioral2/memory/4964-7-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4964	kyvua.exe

Executes dropped EXE 2 IoCs

pid	Process
4964	kyvua.exe
5076	pncswzux.exe

Loads dropped DLL 1 IoCs

pid	Process
5076	pncswzux.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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\nsvze\\pncswzux.exe \"c:\\Program Files\\nsvze\\pncswzux.dll\",DoAddToFavDlg"	pncswzux.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)	\??\r:	pncswzux.exe
File opened (read-only)	\??\t:	pncswzux.exe
File opened (read-only)	\??\u:	pncswzux.exe
File opened (read-only)	\??\w:	pncswzux.exe
File opened (read-only)	\??\x:	pncswzux.exe
File opened (read-only)	\??\y:	pncswzux.exe
File opened (read-only)	\??\d:	pncswzux.exe
File opened (read-only)	\??\i:	pncswzux.exe
File opened (read-only)	\??\l:	pncswzux.exe
File opened (read-only)	\??\v:	pncswzux.exe
File opened (read-only)	\??\a:	pncswzux.exe
File opened (read-only)	\??\n:	pncswzux.exe
File opened (read-only)	\??\o:	pncswzux.exe
File opened (read-only)	\??\z:	pncswzux.exe
File opened (read-only)	\??\m:	pncswzux.exe
File opened (read-only)	\??\q:	pncswzux.exe
File opened (read-only)	\??\b:	pncswzux.exe
File opened (read-only)	\??\g:	pncswzux.exe
File opened (read-only)	\??\h:	pncswzux.exe
File opened (read-only)	\??\j:	pncswzux.exe
File opened (read-only)	\??\k:	pncswzux.exe
File opened (read-only)	\??\s:	pncswzux.exe
File opened (read-only)	\??\p:	pncswzux.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	pncswzux.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/788-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/788-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x000e000000016cd6-3.dat	upx
behavioral2/memory/4964-7-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\nsvze	kyvua.exe
File created	\??\c:\Program Files\nsvze\pncswzux.dll	kyvua.exe
File created	\??\c:\Program Files\nsvze\pncswzux.exe	kyvua.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

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

execution

Windows Command Shell

T1059.003

pid	Process
5148	cmd.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	2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_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	kyvua.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pncswzux.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
968	PING.EXE
5148	cmd.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	pncswzux.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pncswzux.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
968	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5076	pncswzux.exe
5076	pncswzux.exe
5076	pncswzux.exe
5076	pncswzux.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	pncswzux.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
788	2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe
4964	kyvua.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 5148	788	2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe	89
PID 5148 wrote to memory of 968	5148	cmd.exe	91
PID 5148 wrote to memory of 4964	5148	cmd.exe	92
PID 4964 wrote to memory of 5076	4964	kyvua.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kyvua.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_elex_wannacry.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5148
- - 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:968
- - C:\Users\Admin\AppData\Local\Temp\kyvua.exe
    C:\Users\Admin\AppData\Local\Temp\\kyvua.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_0a1de21bc23fccf1f783c62e160c441a_coinminer_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:4964
  - - \??\c:\Program Files\nsvze\pncswzux.exe
      "c:\Program Files\nsvze\pncswzux.exe" "c:\Program Files\nsvze\pncswzux.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\kyvua.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:5076

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

pncswzux.exe

Path C:\Program Files\nsvze\pncswzux.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

kyvua.exe

Path C:\Users\Admin\AppData\Local\Temp\kyvua.exe
Size 593KB
SHA256 1a4f650486494327bb7e2048aef49b0d67d603ba6c3fe2e7a3fbbedc7d62de27
MD5 55c986237647af29ea4af13a36616168
SHA1 68c59bae811738acff057bd550c3da7e35560adc
SHA512 7b213a96b81c302035741b10e2d25d7fe049f69e133f133acdff71e2efe2a77510588c46cb4b5d3ec39fef9c8989cfcaf5d79de84e4c371dcae6746867315c76
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lA6:aqzw2wsEDbZ67fpLyUB/5qLlF
TLSH
T1E5D4AD1372E4C855E1A22A72CC7667F0DEF5BEE4D9358A1F5F803A0D2933E00A6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

pncswzux.dll

Path \??\c:\Program Files\nsvze\pncswzux.dll
Size 171KB
SHA256 a9c10102c996dff663318d780aecf7d610f8f7201e8f0b29e8f4226f4ffd50e4
MD5 d4356c04f87f77622ab9f09d20994e73
SHA1 48bbb6301e388853081abf62609778c6f7bbc9a4
SHA512 b48578875614e8ac82415c5150ac2c7fa6e5655f9c5a27b2a57bf8b4634326f052f0dad260660eddb964e5f93aa3b07b8ea742044f8eeb95c68d538bb736f206
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7B:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMF
TLSH
T1450412B0F3F98B59F0A716770831593CC97639826329277FC2889A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/788-0-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/788-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/4964-7-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/5076-11-0x0000000001380000-0x0000000001382000-memory.dmp

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memory/5076-10-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/5076-13-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/5076-12-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/5076-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/5076-15-0x0000000001380000-0x0000000001382000-memory.dmp

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memory/5076-17-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/5076-20-0x0000000010000000-0x0000000010052000-memory.dmp

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