3f379512f66b12d909a701dc0b69dc6e06b0fc8832680b6e12b13798320dcd73

Analysis

max time kernel
150s
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
20/07/2026, 10:12

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General

Target
2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
Size 3.3MB
Sample260720-l8rsrset4m
SHA256 3f379512f66b12d909a701dc0b69dc6e06b0fc8832680b6e12b13798320dcd73
MD5 2ec546fb7e4954d04380f1627c7968a8
SHA1 75abce026c84a8fc30e2f4fcfd1a0b602a65b32e
SHA512 c22b58a9309631d9cb2dab0a453bd28ce38c776efc8fda93474be0191c5398bf193c1757963e73dbcd7edadd0d9a4e508816ea7be6b50329c8f1dbd1df3b636a
SSDEEP 98304:oCWZrHhWTG6Vz2kkWF6hxvWbrtUTrUHOO:5KBWRz2ZWox+NcIOO
TLSH
T118F500212391CDA2F32FC03642C15E35B6B36D253B33E9466E583539ABF2E1EEB85145
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

adware discovery execution persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MyQAuto.exe	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe

Executes dropped EXE 1 IoCs

pid	Process
4620	ctfnom_.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfnom_.exe = "ctfnom_.exe"	ctfnom_.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfnom_.exe = "ctfnom_.exe"	ctfnom_.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Del.vbs	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\favicon.ico	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\favicon.reg	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\ctfnom_.exe	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\MyQAuto.exe	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
File created	C:\Windows\SysWOW64\Del.bat	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
4924	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
5596	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	ctfnom_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies Internet Explorer settings 1 TTPs 11 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\CLSID = "{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Exec = "http://www.qq823.com"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\HotIcon = "favicon.ico"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main	ctfnom_.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	ctfnom_.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\ButtonText = "QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Default Visible = "Yes"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\Icon = "favicon.ico"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\MenuText = "QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{00000823-0823-0823-0823-000000000823}\MenuStatusBar = "QQ823网址导航"	regedit.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.qq823.com"	ctfnom_.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.qq823.com"	ctfnom_.exe

Modifies registry class 25 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InfoTip = "欢迎您访问QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open\Command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ShellFolder	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\{305ca226-d286-468e-b848-2b2e8e697b74} 2 = "0"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\command	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ = "QQ823网址导航"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32\ = "shdocvw.dll"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open	regedit.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\ShellFolder\Attributes = 00000000	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE http://www.qq823.com"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon\ = "favicon.ico"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\DefaultIcon\InProcServer32	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\InProcServer32\ThreadingModel = "Apartment"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{16C8E222-28A3-4136-85B3-71CCDB643F5F}\Shell\Open\Command	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\QQ823\ = "访问QQ823网址导航"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\ = "访问QQ823网址导航"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\QQ823\command	regedit.exe

Runs .reg file with regedit 1 IoCs

pid	Process
5160	regedit.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4136	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
4620	ctfnom_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 4924	4136	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe	89
PID 4136 wrote to memory of 4620	4136	2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe	90
PID 4924 wrote to memory of 5596	4924	WScript.exe	91
PID 5596 wrote to memory of 5160	5596	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_2ec546fb7e4954d04380f1627c7968a8_coinminer_elex_nymaim_rhadamanthys_wannacry.exe"
1⤵
- Drops startup file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Windows\system32\Del.vbs"
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c C:\Windows\system32\Del.bat
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5596
  - - C:\Windows\SysWOW64\regedit.exe
      regedit /s C:\Windows\system32\favicon.reg
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Modifies registry class
      Runs .reg file with regedit
      PID:5160
- C:\Windows\SysWOW64\ctfnom_.exe
  C:\Windows\system32\ctfnom_.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  - Suspicious use of SetWindowsHookEx
  PID:4620

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Del.bat

Path C:\Windows\SysWOW64\Del.bat
Size 147B
SHA256 7f451eb5acf109c0b0a61a7e0c9e66c2562c8baa4d2ad5efaee9fd2a7434d8cd
MD5 b58a5f659c85978342cf6130f1fdfa17
SHA1 9f7812a274d8debb2801cb8616c1fd4c5891b3dc
SHA512 382d494ba0f7cc7ee05e74f7165a33aefb93236bb4f5f06aac292b134100d927caca70138fb86c650d99f291844e52e13dbc99de967f636b6b763ea83652e3b7
TLSH
T170C04C005EE041F096208D2D850E4B21562CF8CA6F651174278635C2E81101B4E21CBC
MD5 SHA1 SHA512 TLSH

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Del.vbs

Path C:\Windows\SysWOW64\Del.vbs
Size 93B
SHA256 44afb3f2711eaa8be0a622e88d9ac73854433d8101e9e02341330e6407c4b493
MD5 8cf96bc792eca45cff7728ad63086a3d
SHA1 21517b7e4c2aa1aaf7aa5a2b378c81f49c2d2b27
SHA512 25bc1c86d5c48bb31498520a4dbd10d9b129fa137f0781915d3bda051d5ea7c209ca137f42c4a26b71563235214dd1af35f1434dbd8d8ebf7dbe8a0002f6580d
TLSH
T109B01214BC1C9570871149B0452259228A58F840222164200140B08CC1505E10F108F9
MD5 SHA1 SHA512 TLSH

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ctfnom_.exe

Path C:\Windows\SysWOW64\ctfnom_.exe
Size 10KB
SHA256 f8d29e1e0df238650ff4ea650d0f151a17be09256bc66f72ffdddb3c23e1b7d5
MD5 2e735e75aa993f6915a90a3891fd3718
SHA1 73ec3e4ba7dae5e26011d206e4bec5235a3175c3
SHA512 58c9d0efd8ffc1d7e3b3001e7bbc781e762bb3ddc2682997f8b9e8522473498cd104ad54385e697c1b6f5096fa657e4c3071a988cb853015943043208e69810a
SSDEEP 192:RG54ayHGOuNXe0SF7HD95BpCBDify3qsG:RPXGOuNxyH/QDcya
TLSH
T18A227D97229B192BFC9D163004AF87AA7A62FC21405187BE81F07E1B2C703529E31F69
MD5 SHA1 SHA512 SSDEEP TLSH

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favicon.reg

Path C:\Windows\SysWOW64\favicon.reg
Size 5KB
SHA256 7053ebfe5a3c5d16cd9b6be7cc7bb10636cb611760c4394300b762a8f7bddf6e
MD5 84a824b138dc2382d367ddbf818c8ae5
SHA1 86f14284d9eecfeba769664d7cb26806c8fd37f5
SHA512 ff78f1d3763bff2af7e30ae78c317e0a122761307f0aa662f81cca68e3de8b687027f58b5ed4f33ee050be07a1d1c231edd0cf99938cf50913902a5a51f35ed2
SSDEEP 96:6vnDDDTED3C2ZvFvyUyhvvBeSOrJwWOBviPeSPKIx3PBvDV:cDDDTW3swz
TLSH
T1E7C1062D32EA200573A6F5C1EFF4F821E726F7EA140A9DAE01D1074902E29576583E7B
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4136-2-0x00000000005E0000-0x00000000005E1000-memory.dmp

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memory/4136-0-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4136-30-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4136-1-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4620-23-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4620-26-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4620-28-0x00000000006A0000-0x00000000006B0000-memory.dmp

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memory/4620-33-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4620-34-0x00000000006A0000-0x00000000006B0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads