97b796de1a12d168974b1bf103dfa9df4a55db5fc67aa6a876ef94837f158728

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 09:49

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General

Target
2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_coinminer_elex_wannacry.exe
Size 592KB
Sample260809-lthasayve1
SHA256 97b796de1a12d168974b1bf103dfa9df4a55db5fc67aa6a876ef94837f158728
MD5 cc892cde1e1106d4733c9c2d9e71aaee
SHA1 9c021fbbb1a16f569d36e0a9d7bf3bad1db0adcd
SHA512 890d29f4e0c8787f95ad804c5e2b27f8a9b33cfd379383bb5a87b48598af29885456b0829b94a0db5e3e13af11e8d66bbd68e2b505044f573921729f93fc54e7
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAzq:aqzw2wsEDbZ67fpLyUB/5qLld
TLSH
T1AFD4AD13B2E48865E1A22A72CC7667F0DEF5BED4D935861F5F803A0D2933E00E6157A7
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/4164-12-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-11-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-14-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-16-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4164-21-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/memory/4316-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/files/0x000700000001b884-3.dat	UPX
behavioral2/memory/4144-7-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4144	tybef.exe

Executes dropped EXE 2 IoCs

pid	Process
4144	tybef.exe
4164	kxi.exe

Loads dropped DLL 1 IoCs

pid	Process
4164	kxi.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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\bwhvs\\kxi.exe \"c:\\Program Files\\bwhvs\\kxiny.dll\",DoAddToFavDlg"	kxi.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)	\??\q:	kxi.exe
File opened (read-only)	\??\t:	kxi.exe
File opened (read-only)	\??\u:	kxi.exe
File opened (read-only)	\??\v:	kxi.exe
File opened (read-only)	\??\x:	kxi.exe
File opened (read-only)	\??\p:	kxi.exe
File opened (read-only)	\??\b:	kxi.exe
File opened (read-only)	\??\d:	kxi.exe
File opened (read-only)	\??\g:	kxi.exe
File opened (read-only)	\??\o:	kxi.exe
File opened (read-only)	\??\r:	kxi.exe
File opened (read-only)	\??\w:	kxi.exe
File opened (read-only)	\??\y:	kxi.exe
File opened (read-only)	\??\j:	kxi.exe
File opened (read-only)	\??\s:	kxi.exe
File opened (read-only)	\??\a:	kxi.exe
File opened (read-only)	\??\i:	kxi.exe
File opened (read-only)	\??\l:	kxi.exe
File opened (read-only)	\??\n:	kxi.exe
File opened (read-only)	\??\z:	kxi.exe
File opened (read-only)	\??\h:	kxi.exe
File opened (read-only)	\??\k:	kxi.exe
File opened (read-only)	\??\m:	kxi.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	kxi.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/4316-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x000700000001b884-3.dat	upx
behavioral2/memory/4144-7-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\bwhvs	tybef.exe
File created	\??\c:\Program Files\bwhvs\kxiny.dll	tybef.exe
File created	\??\c:\Program Files\bwhvs\kxi.exe	tybef.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
6044	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	tybef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kxi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_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

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
3704	PING.EXE
6044	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	kxi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kxi.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3704	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4164	kxi.exe
4164	kxi.exe
4164	kxi.exe
4164	kxi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	kxi.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4316	2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_coinminer_elex_wannacry.exe
4144	tybef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 6044	4316	2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_coinminer_elex_wannacry.exe	88
PID 6044 wrote to memory of 3704	6044	cmd.exe	90
PID 6044 wrote to memory of 4144	6044	cmd.exe	91
PID 4144 wrote to memory of 4164	4144	tybef.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tybef.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_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:6044
- - 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:3704
- - C:\Users\Admin\AppData\Local\Temp\tybef.exe
    C:\Users\Admin\AppData\Local\Temp\\tybef.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-09_cc892cde1e1106d4733c9c2d9e71aaee_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:4144
  - - \??\c:\Program Files\bwhvs\kxi.exe
      "c:\Program Files\bwhvs\kxi.exe" "c:\Program Files\bwhvs\kxiny.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\tybef.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:4164

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

kxi.exe

Path C:\Program Files\bwhvs\kxi.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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tybef.exe

Path C:\Users\Admin\AppData\Local\Temp\tybef.exe
Size 592KB
SHA256 9f25427cc0e547ad24d317a961acd82b0daa3dc684fa440bce3e45f9c02efb7c
MD5 d2131595afd4034d754826f69c0649c6
SHA1 b2a6281dbc430ee55e4123de105c0c6672293d4a
SHA512 1abdea93a87f83a9300dedd90b55ab8bb9f6c82812c3b1e4cc7acfe03e6c0fb225ca4d945ffde180fe6445a7974cf1a44b3b2f28056917978319445933faf7e7
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAzB:aqzw2wsEDbZ67fpLyUB/5qLl0
TLSH
T123D4AD13B2E48855E1A22A72CC7667F0DEF5BED4D935861F5F803A0D2933E00E6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

kxiny.dll

Path \??\c:\Program Files\bwhvs\kxiny.dll
Size 171KB
SHA256 697531ffd02ec37079a31370a32149be8d13ef5c69c7bd259c40ea0bb445f176
MD5 3b972ef755c550d64bdbd0e5ce0e5de8
SHA1 73fff3c320bd253f8dac010352744ba5d3fcd670
SHA512 3ae94db437282d9703da5b31aafcb833d36a64159c852ab1a772da577a186d4bc60e95d66403844ec043c17b88487ff8923d49ed90a6a6b11e6453e1d734fcfb
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7Q:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMs
TLSH
T1C60412B0F3F98B59F09716B70831597CC97639826329237FC2886A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4144-7-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/4164-12-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4164-13-0x0000000002ED0000-0x0000000002ED2000-memory.dmp

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memory/4164-11-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4164-10-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4164-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4164-16-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4164-21-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4316-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/4316-0-0x0000000000400000-0x000000000048B000-memory.dmp

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