5aecab278cb0d48ee5709c68b75a1bf07f30b13c493d689d39fa26fbe188540f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/10/2026, 16:10

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General

Target
2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe
Size 591KB
Sample261027-tmjh9set71
SHA256 5aecab278cb0d48ee5709c68b75a1bf07f30b13c493d689d39fa26fbe188540f
MD5 6047d7f6ab1a894f8f99fdef54d503ac
SHA1 b862ea40556e5f2dbdac62b5573c3ff111dc33d2
SHA512 e931e23008931384d6f993bce5323e093625cda096aee5b42db2dee201961e3249ba014c6f4da92ac179fb2d30edc32558451274b4a2ccf25d9d3769d718c510
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAuxR:aqzw2wsEDbZ67fpLyUB/5qLlNR
TLSH
T17BD4AD13B2E4C855E1A22A32CC7667B0DEF5BED4D9358A1F5F843A0D2933E00A7157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

bootkit defense_evasion discovery execution persistence spyware stealer upx

Malware Config

Signatures

Detects executables containing base64 encoded User Agent 5 IoCs

resource	yara_rule
behavioral1/memory/3728-17-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3728-16-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3728-19-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3728-21-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/3728-24-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1824-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral1/memory/1824-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral1/files/0x0008000000021709-4.dat	UPX
behavioral1/memory/4528-6-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral1/memory/4528-14-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4528	hzumc.exe

Executes dropped EXE 2 IoCs

pid	Process
4528	hzumc.exe
3728	lyo.exe

Loads dropped DLL 1 IoCs

pid	Process
3728	lyo.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-1-5-21-681733028-2344970462-962213935-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\twpun\\lyo.exe \"c:\\Program Files\\twpun\\lyozb.dll\",DoAddToFavDlg"	lyo.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)	\??\e:	lyo.exe
File opened (read-only)	\??\i:	lyo.exe
File opened (read-only)	\??\k:	lyo.exe
File opened (read-only)	\??\r:	lyo.exe
File opened (read-only)	\??\u:	lyo.exe
File opened (read-only)	\??\v:	lyo.exe
File opened (read-only)	\??\w:	lyo.exe
File opened (read-only)	\??\a:	lyo.exe
File opened (read-only)	\??\b:	lyo.exe
File opened (read-only)	\??\j:	lyo.exe
File opened (read-only)	\??\m:	lyo.exe
File opened (read-only)	\??\o:	lyo.exe
File opened (read-only)	\??\p:	lyo.exe
File opened (read-only)	\??\s:	lyo.exe
File opened (read-only)	\??\t:	lyo.exe
File opened (read-only)	\??\h:	lyo.exe
File opened (read-only)	\??\l:	lyo.exe
File opened (read-only)	\??\q:	lyo.exe
File opened (read-only)	\??\x:	lyo.exe
File opened (read-only)	\??\g:	lyo.exe
File opened (read-only)	\??\n:	lyo.exe
File opened (read-only)	\??\y:	lyo.exe
File opened (read-only)	\??\z:	lyo.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	lyo.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1824-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral1/memory/1824-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral1/files/0x0008000000021709-4.dat	upx
behavioral1/memory/4528-6-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral1/memory/4528-14-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\twpun\lyo.exe	hzumc.exe
File opened for modification	\??\c:\Program Files\twpun\lyo.exe	hzumc.exe
File opened for modification	\??\c:\Program Files\twpun	hzumc.exe
File created	\??\c:\Program Files\twpun\lyozb.dll	hzumc.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
5428	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	lyo.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	lyo.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hzumc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lyo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.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
5428	cmd.exe
5076	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	lyo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	lyo.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5076	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3728	lyo.exe
3728	lyo.exe
3728	lyo.exe
3728	lyo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	lyo.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1824	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe
4528	hzumc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 5428	1824	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe	84
PID 5428 wrote to memory of 5076	5428	cmd.exe	86
PID 5428 wrote to memory of 4528	5428	cmd.exe	87
PID 4528 wrote to memory of 3728	4528	hzumc.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hzumc.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_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:5428
- - 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:5076
- - C:\Users\Admin\AppData\Local\Temp\hzumc.exe
    C:\Users\Admin\AppData\Local\Temp\\hzumc.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_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:4528
  - - \??\c:\Program Files\twpun\lyo.exe
      "c:\Program Files\twpun\lyo.exe" "c:\Program Files\twpun\lyozb.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\hzumc.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:3728

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

Replay Monitor

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Downloads

lyozb.dll

Path C:\Program Files\twpun\lyozb.dll
Size 171KB
SHA256 e7cf9a42c350f8bc401619be26e9fa15b358dd71fc0ec62cf6b9bf8b7292c402
MD5 f3848a9c503885d8919af77c46ad464f
SHA1 7dbb9bc85bb81b33608acc89759ef505b700f437
SHA512 c5279259d4fa787188e56d85c205da09dcf400692a0f428671707e515dbe90acf76a398cc056f26d553f85b802f358467ae6489a9cca41dc2c11e12f094e10e2
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7z:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMP
TLSH
T1420412B0F3F98B59F0A716770831597CC97639826329237FC2889A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

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hzumc.exe

Path C:\Users\Admin\AppData\Local\Temp\hzumc.exe
Size 591KB
SHA256 36165fb72a7f489649ab735ed91d6e1e8bdaf87fa15670e102450025cfa5ad85
MD5 b1e9cfc5e7cfdc28b38a7bd5ea0bc41e
SHA1 befa09934ceb920a986bc100a6dff37f419d41f7
SHA512 cc5f17532854cf8c91c0d323d89cfbcebcf8056c5d2a577961e2a3fe53268fbfd4fa85d30f8e7c41c5f0e4c8e7b5f9c657a97fd917e4dc6e8b5d10748995a29d
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAuxi:aqzw2wsEDbZ67fpLyUB/5qLlNi
TLSH
T14ED4AD13B2E4C855E1A22A32CC7667B0DEF5BED4D9358A1F5F84390D2933E00A7157A7
MD5 SHA1 SHA512 SSDEEP TLSH

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lyo.exe

Path \??\c:\Program Files\twpun\lyo.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1824-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/1824-0-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/3728-17-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3728-15-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3728-18-0x0000000001580000-0x0000000001582000-memory.dmp

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memory/3728-16-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3728-19-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3728-21-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3728-24-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/4528-14-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/4528-6-0x0000000000400000-0x000000000048B000-memory.dmp

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