bac69fb5327d1cbf4d7a48c9090d3b222c32c56d16bbec90c32310db06f0895e

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 03:46

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General

Target
2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_elex_wannacry.exe
Size 347KB
Sample261024-ebvptshw4k
SHA256 bac69fb5327d1cbf4d7a48c9090d3b222c32c56d16bbec90c32310db06f0895e
MD5 97b22f29c58eb2cfb1f0bbd127e40ea4
SHA1 51ba7366d8e2191c6083233ae0e6d49997e0b9e5
SHA512 48857e83fb3fd03b0d70daeaf4d6dd1d5077814dd4d400b5cf417e67ceb61966cca27816858255299e8c779a3253c06e9f33761fddcfff5066ec4b56dd68f2f9
SSDEEP 6144:vhBqzX2tz0/YDbAgeonk7n7m8po+yUOKKNG0IxSjXKPDb:7qzX2twgDbZ67fpLyUB/5qub
TLSH
T18A74AC1372E08855E1A22A32CC7667F0DEE5FEE4D9358A1F4F843A0D2933E44A7157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

bootkit defense_evasion discovery execution persistence spyware stealer

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 6 IoCs

resource	yara_rule
behavioral2/memory/4564-12-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4564-13-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4564-14-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4564-16-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4564-18-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4564-21-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Detects executables packed with VMProtect. 5 IoCs

resource	yara_rule
behavioral2/memory/4076-0-0x0000000000400000-0x0000000000454000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4076-1-0x0000000000400000-0x0000000000454000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4076-3-0x0000000000400000-0x0000000000454000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/files/0x000600000001b86a-4.dat	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3704-9-0x0000000000400000-0x0000000000454000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3704	tdcef.exe

Executes dropped EXE 2 IoCs

pid	Process
3704	tdcef.exe
4564	zvcpsou.exe

Loads dropped DLL 1 IoCs

pid	Process
4564	zvcpsou.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-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\kwinp\\zvcpsou.exe \"c:\\Program Files\\kwinp\\zvcpsou.dll\",DoAddToFavDlg"	zvcpsou.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)	\??\y:	zvcpsou.exe
File opened (read-only)	\??\i:	zvcpsou.exe
File opened (read-only)	\??\l:	zvcpsou.exe
File opened (read-only)	\??\n:	zvcpsou.exe
File opened (read-only)	\??\o:	zvcpsou.exe
File opened (read-only)	\??\q:	zvcpsou.exe
File opened (read-only)	\??\r:	zvcpsou.exe
File opened (read-only)	\??\b:	zvcpsou.exe
File opened (read-only)	\??\d:	zvcpsou.exe
File opened (read-only)	\??\j:	zvcpsou.exe
File opened (read-only)	\??\k:	zvcpsou.exe
File opened (read-only)	\??\m:	zvcpsou.exe
File opened (read-only)	\??\s:	zvcpsou.exe
File opened (read-only)	\??\v:	zvcpsou.exe
File opened (read-only)	\??\w:	zvcpsou.exe
File opened (read-only)	\??\g:	zvcpsou.exe
File opened (read-only)	\??\p:	zvcpsou.exe
File opened (read-only)	\??\t:	zvcpsou.exe
File opened (read-only)	\??\x:	zvcpsou.exe
File opened (read-only)	\??\z:	zvcpsou.exe
File opened (read-only)	\??\a:	zvcpsou.exe
File opened (read-only)	\??\h:	zvcpsou.exe
File opened (read-only)	\??\u:	zvcpsou.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	zvcpsou.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\kwinp\zvcpsou.exe	tdcef.exe
File opened for modification	\??\c:\Program Files\kwinp	tdcef.exe
File created	\??\c:\Program Files\kwinp\zvcpsou.dll	tdcef.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
928	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	zvcpsou.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	zvcpsou.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	2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_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	tdcef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zvcpsou.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
928	cmd.exe
2140	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	zvcpsou.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	zvcpsou.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2140	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4564	zvcpsou.exe
4564	zvcpsou.exe
4564	zvcpsou.exe
4564	zvcpsou.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4564	zvcpsou.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4076	2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_elex_wannacry.exe
3704	tdcef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 928	4076	2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_elex_wannacry.exe	90
PID 928 wrote to memory of 2140	928	cmd.exe	92
PID 928 wrote to memory of 3704	928	cmd.exe	93
PID 3704 wrote to memory of 4564	3704	tdcef.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tdcef.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_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:928
- - 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:2140
- - C:\Users\Admin\AppData\Local\Temp\tdcef.exe
    C:\Users\Admin\AppData\Local\Temp\\tdcef.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-22_97b22f29c58eb2cfb1f0bbd127e40ea4_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:3704
  - - \??\c:\Program Files\kwinp\zvcpsou.exe
      "c:\Program Files\kwinp\zvcpsou.exe" "c:\Program Files\kwinp\zvcpsou.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\tdcef.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Reads the TCP/IP host and domain name from the registry
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4564

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

Indicator Removal

T1070

File Deletion

T1070.004

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

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Downloads

zvcpsou.exe

Path C:\Program Files\kwinp\zvcpsou.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

tdcef.exe

Path C:\Users\Admin\AppData\Local\Temp\tdcef.exe
Size 347KB
SHA256 849767f59ca2dfda7613c9b2c600da90f000a9218c6ea1b3a2976d2e3dfcb463
MD5 d68fb1b40dbb544f97714ea72b2098f9
SHA1 5b6e7a81b6c3d0143a92cd13703e9b85c8da299b
SHA512 b648ca112e340cfa37350448341322c7344419e66f82ddf547831a16e1b3da9cde0c474a4add1b4f03c4c341de5e963375883039cfb7360a2bc026af80b293ac
SSDEEP 6144:vhBqzX2tz0/YDbAgeonk7n7m8po+yUOKKNG0IxSjXKPDJ:7qzX2twgDbZ67fpLyUB/5quJ
TLSH
T15674AC1372E08855E1A22A32CC7667F0DEE5FEE4D9358A1F4F843A0D2933E44A7157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

zvcpsou.dll

Path \??\c:\Program Files\kwinp\zvcpsou.dll
Size 171KB
SHA256 ecb712dcf94339fcaa3fc1e6be98f5bd699c4a886dc7bc81a4ef827ef90e2806
MD5 216d885660924d729b67f01e26f9804c
SHA1 cd5adc8328bea9218fc27b98b603bebabf6e3588
SHA512 d2b64752fe3fab98119178fa156b6be3634946e483217885f599aaeb8236a2993e65f7c0118b02b047d03e9765bc280292b71f0e6ceb6d71e2d1a9749e9603a2
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7D:Rjz9X8mXGUXVPmr9mOzRd7UcPKoM/
TLSH
T1A40412B0F3F98B59F0A716770831597CC97638826229237FC2885A6EAC5442FF18D768
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3704-9-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4076-3-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4076-1-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4076-0-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4564-12-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4564-15-0x0000000000B40000-0x0000000000B42000-memory.dmp

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memory/4564-13-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4564-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4564-16-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4564-18-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4564-21-0x0000000010000000-0x0000000010052000-memory.dmp

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