f00fce48c995867f4a86a7202ece6c834307539b67244174cd1069eae6cbbef4

Analysis

max time kernel
148s
max time network
140s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 03:08

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General

Target
2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_elex_wannacry.exe
Size 347KB
Sample260820-dndreayeqd
SHA256 f00fce48c995867f4a86a7202ece6c834307539b67244174cd1069eae6cbbef4
MD5 594cb6a7720aeb3f467de26f3abc2a63
SHA1 8f5948db65cccce92f06463f682f6db35fc0b57f
SHA512 c1e2a0ac93e0d8a73d57e4501dc9db5232dd2e21ac5ae4a8f8a835eb200fe1fa7504c564f83c8589563b321d48dca93c5eae6ca717d0df78b2e82ea896ee3a6d
SSDEEP 6144:FpFbYirO/W8oOm6JMRPzyZCJeNnTImk9dKacFK8Czj8YT4kF59o:lcirOuLE2QC00me2VCzYYT9K
TLSH
T18174CE7371D048AAE4853633DD77BE70E7EDD1AC5E31DA7B6F98410D1E29B0892122AC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery execution

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 1 IoCs

resource	yara_rule
behavioral2/memory/3172-12-0x0000000010000000-0x000000001004F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

pid	Process
3512	mhbpvut.exe

Executes dropped EXE 2 IoCs

pid	Process
3512	mhbpvut.exe
3172	upw.exe

Loads dropped DLL 1 IoCs

pid	Process
3172	upw.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\dutcty	mhbpvut.exe
File created	\??\c:\Program Files\dutcty\upwax.dll	mhbpvut.exe
File created	\??\c:\Program Files\dutcty\upw.exe	mhbpvut.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
5560	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	upw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_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	mhbpvut.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
5560	cmd.exe
3784	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3784	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4832	2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_elex_wannacry.exe
3512	mhbpvut.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 5560	4832	2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_elex_wannacry.exe	88
PID 5560 wrote to memory of 3784	5560	cmd.exe	90
PID 5560 wrote to memory of 3512	5560	cmd.exe	91
PID 3512 wrote to memory of 3172	3512	mhbpvut.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mhbpvut.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_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:5560
- - 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:3784
- - C:\Users\Admin\AppData\Local\Temp\mhbpvut.exe
    C:\Users\Admin\AppData\Local\Temp\\mhbpvut.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-20_594cb6a7720aeb3f467de26f3abc2a63_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:3512
  - - \??\c:\Program Files\dutcty\upw.exe
      "c:\Program Files\dutcty\upw.exe" "c:\Program Files\dutcty\upwax.dll",Compliance C:\Users\Admin\AppData\Local\Temp\mhbpvut.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3172

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

upw.exe

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

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mhbpvut.exe

Path C:\Users\Admin\AppData\Local\Temp\mhbpvut.exe
Size 347KB
SHA256 35fb37ec7da12255c9b3216a881b4870467f54bcf613a09fccd1f72d041cb60f
MD5 2fbac698a414d072e6eefd77a4c18e3c
SHA1 74625abfa279d8537e44e45fd250b8c57186850d
SHA512 2ad28aae212cf0ea463d22ad680916130fa412c1305416910c6ed6f4d607b5dbe98517f50ee06b0e6c025f2d137c1fe7676c21b2b2d50d958ef2d836d57ae2f0
SSDEEP 6144:FpFbYirO/W8oOm6JMRPzyZCJeNnTImk9dKacFK8Czj8YT4kF59f:lcirOuLE2QC00me2VCzYYT99
TLSH
T16D74CE7371D048AAE4853633DD77BE70E7EDD1AC5E31DA7B6F98410D1E29B0892122AC
MD5 SHA1 SHA512 SSDEEP TLSH

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upwax.dll

Path \??\c:\Program Files\dutcty\upwax.dll
Size 179KB
SHA256 4d7c8160ac4d55ad50b51bbb189109d0729e9710102bd3a768a3ea3fafbf030d
MD5 28fe13b08be270293e20d3a6764faa59
SHA1 4dc73fcafa482de5b12d2646f11d21a26382a064
SHA512 b2b58728eaa9714a386a998166b1fc6b8977d03be057bf9c2e5df0904daa95d2d1cda2d54774d065f3bb2062adccebe935bcc9de394289e11fea929dc4b45190
SSDEEP 3072:ECKN3pfs98nVCWdKTtld8VBt7NUalwXH9RqYzJabTYd3KIdj6+uFdi98pvO0hfQw:ECKN5fQ8nVcTrd8VBtBUa4HfRzJabT8s
TLSH
T1E304F0D6AF21C281E44B2E72755F2487AFE8C2F34BEE5C652FC442E91971431E129A53
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3172-10-0x0000000010000000-0x000000001004F000-memory.dmp

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memory/3172-11-0x0000000000D50000-0x0000000000D51000-memory.dmp

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memory/3172-12-0x0000000010000000-0x000000001004F000-memory.dmp

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memory/3512-7-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/4832-0-0x0000000000400000-0x0000000000458000-memory.dmp

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memory/4832-2-0x0000000000400000-0x0000000000458000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads