4c817b49efceab15a79ddba2d990c6ef87801ac2742ff5377a6955e443df889a

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, 16:39

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General

Target
2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe
Size 593KB
Sample260804-t6f79aam7t
SHA256 4c817b49efceab15a79ddba2d990c6ef87801ac2742ff5377a6955e443df889a
MD5 11e65dd433db36be4b15eec32b689578
SHA1 7a4404d012e9b38ff37a60fd8aa202c326388c5a
SHA512 2156e948785d24560c014e83db58c7ab1048ec756dff1ef0ea555c1857ba77ddbfa9e329b90de4ee1fc29e040643e464e139df598e3a25a1b3b625509786469e
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAY:aqzw2wsEDbZ67fpLyUB/5qLlP
TLSH
T1BAD4AD13B2E4C855E1A22A72CC7667F0DEF5BED4D9358A1F5F803A0D2933E00A6157A7
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/3672-12-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3672-13-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3672-14-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3672-17-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3672-22-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1964-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/memory/1964-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/files/0x000700000001b85f-3.dat	UPX
behavioral2/memory/2468-7-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
2468	hhlfl.exe

Executes dropped EXE 2 IoCs

pid	Process
2468	hhlfl.exe
3672	arwmua.exe

Loads dropped DLL 1 IoCs

pid	Process
3672	arwmua.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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\voteh\\arwmua.exe \"c:\\Program Files\\voteh\\arwmua.dll\",DoAddToFavDlg"	arwmua.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)	\??\g:	arwmua.exe
File opened (read-only)	\??\i:	arwmua.exe
File opened (read-only)	\??\o:	arwmua.exe
File opened (read-only)	\??\r:	arwmua.exe
File opened (read-only)	\??\t:	arwmua.exe
File opened (read-only)	\??\x:	arwmua.exe
File opened (read-only)	\??\z:	arwmua.exe
File opened (read-only)	\??\d:	arwmua.exe
File opened (read-only)	\??\j:	arwmua.exe
File opened (read-only)	\??\p:	arwmua.exe
File opened (read-only)	\??\k:	arwmua.exe
File opened (read-only)	\??\l:	arwmua.exe
File opened (read-only)	\??\q:	arwmua.exe
File opened (read-only)	\??\u:	arwmua.exe
File opened (read-only)	\??\w:	arwmua.exe
File opened (read-only)	\??\y:	arwmua.exe
File opened (read-only)	\??\a:	arwmua.exe
File opened (read-only)	\??\b:	arwmua.exe
File opened (read-only)	\??\h:	arwmua.exe
File opened (read-only)	\??\m:	arwmua.exe
File opened (read-only)	\??\n:	arwmua.exe
File opened (read-only)	\??\s:	arwmua.exe
File opened (read-only)	\??\v:	arwmua.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	arwmua.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1964-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/1964-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x000700000001b85f-3.dat	upx
behavioral2/memory/2468-7-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\voteh\arwmua.exe	hhlfl.exe
File opened for modification	\??\c:\Program Files\voteh	hhlfl.exe
File created	\??\c:\Program Files\voteh\arwmua.dll	hhlfl.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
2452	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hhlfl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arwmua.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2452	cmd.exe
2320	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	arwmua.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	arwmua.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2320	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3672	arwmua.exe
3672	arwmua.exe
3672	arwmua.exe
3672	arwmua.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	arwmua.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1964	2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe
2468	hhlfl.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2452	1964	2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe	88
PID 2452 wrote to memory of 2320	2452	cmd.exe	90
PID 2452 wrote to memory of 2468	2452	cmd.exe	91
PID 2468 wrote to memory of 3672	2468	hhlfl.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_11e65dd433db36be4b15eec32b689578_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hhlfl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_11e65dd433db36be4b15eec32b689578_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:2452
- - 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:2320
- - C:\Users\Admin\AppData\Local\Temp\hhlfl.exe
    C:\Users\Admin\AppData\Local\Temp\\hhlfl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-04_11e65dd433db36be4b15eec32b689578_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:2468
  - - \??\c:\Program Files\voteh\arwmua.exe
      "c:\Program Files\voteh\arwmua.exe" "c:\Program Files\voteh\arwmua.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\hhlfl.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:3672

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

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Downloads

arwmua.exe

Path C:\Program Files\voteh\arwmua.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

hhlfl.exe

Path C:\Users\Admin\AppData\Local\Temp\hhlfl.exe
Size 593KB
SHA256 e08511985c1d7197be4fd894c488902815b31d2825d4cfc389059577c3152565
MD5 a8facaa9686e1542fe85e86fb427e3cd
SHA1 aa362d8c459a6457d6c1c52625783c6943e83ce0
SHA512 49de3ab3e32bbe8e6895c3c386e533a91e1bec68dd5bb6f4fa3b7001e1564e282930d2b0df2382b6f4dba67163832dcac6139e5f4041c707ca553a9200cca5da
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAW:aqzw2wsEDbZ67fpLyUB/5qLlZ
TLSH
T17FD4AD13B2E4C855E1A22A72CC7667F0DEF5BEE4D935861F5F803A0D2933E00A6157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

arwmua.dll

Path \??\c:\Program Files\voteh\arwmua.dll
Size 171KB
SHA256 e3a2c12c90850d418a3c87681d27fe1845dea98b4dca33dd5c55379cd3ac89af
MD5 87f3dcbf39c2a3cf169cea1961f2c147
SHA1 35816621dfcf3f419226c74681ce3dcc39901362
SHA512 170533a804680a648f783ed76a9d58ac2c34c8744d9c694b0bea9f57950590b82d05e51148b7f9521c8c7cca9f1aa3c49e736352740366dfbbcdec5d597dd1a7
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM74:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMk
TLSH
T1F40412B0F3F98B59F0A716B70831597CC97639826329237FC2885A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1964-0-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/1964-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/2468-7-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/3672-10-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3672-11-0x00000000015D0000-0x00000000015D2000-memory.dmp

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memory/3672-12-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3672-13-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3672-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3672-15-0x00000000015D0000-0x00000000015D2000-memory.dmp

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memory/3672-17-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3672-22-0x0000000010000000-0x0000000010052000-memory.dmp

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