5aecab278cb0d48ee5709c68b75a1bf07f30b13c493d689d39fa26fbe188540f

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 6 IoCs

resource	yara_rule
behavioral2/memory/3360-12-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3360-10-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3360-11-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3360-14-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3360-16-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3360-19-0x0000000010000000-0x0000000010052000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1192-0-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/memory/1192-2-0x0000000000400000-0x000000000048B000-memory.dmp	UPX
behavioral2/files/0x000600000001b84b-3.dat	UPX
behavioral2/memory/3104-7-0x0000000000400000-0x000000000048B000-memory.dmp	UPX

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3104	yeilf.exe

Executes dropped EXE 2 IoCs

pid	Process
3104	yeilf.exe
3360	dnw.exe

Loads dropped DLL 1 IoCs

pid	Process
3360	dnw.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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\dtfd = "c:\\Program Files\\cckion\\dnw.exe \"c:\\Program Files\\cckion\\dnwrg.dll\",DoAddToFavDlg"	dnw.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)	\??\k:	dnw.exe
File opened (read-only)	\??\l:	dnw.exe
File opened (read-only)	\??\t:	dnw.exe
File opened (read-only)	\??\y:	dnw.exe
File opened (read-only)	\??\a:	dnw.exe
File opened (read-only)	\??\b:	dnw.exe
File opened (read-only)	\??\h:	dnw.exe
File opened (read-only)	\??\n:	dnw.exe
File opened (read-only)	\??\p:	dnw.exe
File opened (read-only)	\??\q:	dnw.exe
File opened (read-only)	\??\z:	dnw.exe
File opened (read-only)	\??\i:	dnw.exe
File opened (read-only)	\??\m:	dnw.exe
File opened (read-only)	\??\r:	dnw.exe
File opened (read-only)	\??\u:	dnw.exe
File opened (read-only)	\??\w:	dnw.exe
File opened (read-only)	\??\x:	dnw.exe
File opened (read-only)	\??\d:	dnw.exe
File opened (read-only)	\??\o:	dnw.exe
File opened (read-only)	\??\s:	dnw.exe
File opened (read-only)	\??\v:	dnw.exe
File opened (read-only)	\??\g:	dnw.exe
File opened (read-only)	\??\j:	dnw.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	dnw.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1192-0-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/memory/1192-2-0x0000000000400000-0x000000000048B000-memory.dmp	upx
behavioral2/files/0x000600000001b84b-3.dat	upx
behavioral2/memory/3104-7-0x0000000000400000-0x000000000048B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\cckion	yeilf.exe
File created	\??\c:\Program Files\cckion\dnwrg.dll	yeilf.exe
File created	\??\c:\Program Files\cckion\dnw.exe	yeilf.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
4132	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	dnw.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	dnw.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	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yeilf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dnw.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
4132	cmd.exe
2104	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	dnw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dnw.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2104	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3360	dnw.exe
3360	dnw.exe
3360	dnw.exe
3360	dnw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3360	dnw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1192	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe
3104	yeilf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 4132	1192	2026-10-26_6047d7f6ab1a894f8f99fdef54d503ac_coinminer_elex_wannacry.exe	89
PID 4132 wrote to memory of 2104	4132	cmd.exe	91
PID 4132 wrote to memory of 3104	4132	cmd.exe	92
PID 3104 wrote to memory of 3360	3104	yeilf.exe	93

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:1192
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yeilf.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:4132
- - 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:2104
- - C:\Users\Admin\AppData\Local\Temp\yeilf.exe
    C:\Users\Admin\AppData\Local\Temp\\yeilf.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:3104
  - - \??\c:\Program Files\cckion\dnw.exe
      "c:\Program Files\cckion\dnw.exe" "c:\Program Files\cckion\dnwrg.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\yeilf.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:3360

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

dnw.exe

Path C:\Program Files\cckion\dnw.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

yeilf.exe

Path C:\Users\Admin\AppData\Local\Temp\yeilf.exe
Size 591KB
SHA256 ac52cbf85847d7be460040127e00cee578576599660748c259ac60edf0e830d2
MD5 8d6762cd59ba3681bc98805d9c9f8ef3
SHA1 9d8b096e4d4fa7a64717f41fd5af2999a861c9cf
SHA512 bd8806fc9f238680e2d74a20f23ba4a2022613bd4ad48de77360492e3f63383a25d48c52c8007bf43c243d75e5e0c5885318bd07e82619d776c06ed6d9b97156
SSDEEP 6144:AhBqzw2w/0s/DbAgeonk7n7m8po+yUOKKNG0IxSjXKP+lAuxB:aqzw2wsEDbZ67fpLyUB/5qLlNB
TLSH
T10ED4AD13B2E4C855E1A22A32CC7667F09EF5BED4D9358A1F5F843A0D2933E00A7157A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dnwrg.dll

Path \??\c:\Program Files\cckion\dnwrg.dll
Size 171KB
SHA256 5e53acaf21b5c9d83c5699e99a4d45b36080f0b1bcd0f17e990bad37d44758f4
MD5 9d65904ff410774b0020c056d0c6680a
SHA1 32ff8fe52409a124b5a198dc88d3e18d9d173f4d
SHA512 196921090cd4ef96c3212fce52ceaef7db34eb9768cc93a6a5ba23fbc057e293a73f1f1a2a981dabdb0e1cbd366fc6d780f4e2eafda5cb38cefe38c7b9944d68
SSDEEP 3072:R2Iz9CI8mUOtDDPwLkBLXLDFkKmvzXBpLHYmmO1QezRd7UcPa1xMjM7t:Rjz9X8mXGUXVPmr9mOzRd7UcPKoMx
TLSH
T14B0412B0F3F98759F0A716B70831597CC97639826329237FC2889A6EAC5442FF18D764
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1192-0-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/1192-2-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/3104-7-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/3360-13-0x0000000000D40000-0x0000000000D42000-memory.dmp

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memory/3360-12-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3360-10-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3360-11-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3360-14-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3360-16-0x0000000010000000-0x0000000010052000-memory.dmp

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memory/3360-19-0x0000000010000000-0x0000000010052000-memory.dmp

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