741a5a56cd3f9800ef517b18463d066ba56c353db8a93aaea5e6b5ef8b8d81cf

General

Target
2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
Size 317KB
Sample260802-ev4rvavarf
SHA256 741a5a56cd3f9800ef517b18463d066ba56c353db8a93aaea5e6b5ef8b8d81cf
MD5 3eacd2bd270512bd5f76f9046b286b3a
SHA1 a029778774c8d298c00d650d221826715ab2867c
SHA512 9d5221b0614897d2051f74fbe7e5d73216be05792135b660724a965ddff4dc3f78d13bc2197dfd0c5031b3934c97219e1667dffab0324b105d00543faf4347bc
SSDEEP 3072:VkLiwjdmZtcCyPmToY1YDJSOTblVrOfw7TSjiHtEu1OpJAMp4UxOh:VUiwjsyPm9YFSOTJtti+tF1OpJxrxQ
TLSH
T17464D04778548DB7C99B817105A58B3B8F27B4A10B9082DFABBCADBD2D325C09D3174E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution persistence privilege_escalation upx

Malware Config

Signatures

Creates a file in the Startup directory 1 TTPs 1 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\officexp.exe	temp2.exe

Executes dropped EXE 2 IoCs

pid	Process
2548	temp1.exe
6068	temp2.exe

Drops file in System32 directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\c_10810.nls	temp2.exe
File created	C:\Windows\SysWOW64\c_10810.nls	temp2.exe
File opened for modification	C:\Windows\SysWOW64\c_20462.nls	temp2.exe
File opened for modification	C:\Windows\SysWOW64\config\software.chk	temp2.exe
File created	C:\Windows\SysWOW64\shell64.dll	temp2.exe
File created	C:\Windows\SysWOW64\inter32.dll	temp2.exe
File created	C:\Windows\SysWOW64\c_19460.nls	temp2.exe
File created	C:\Windows\SysWOW64\temp2.exe	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
File created	C:\Windows\SysWOW64\config\software.chk	temp2.exe
File created	C:\Windows\SysWOW64\serlibk.exe	temp2.exe
File created	C:\Windows\SysWOW64\c_20462.nls	temp2.exe
File opened for modification	C:\Windows\SysWOW64\inter32.dll	temp2.exe
File created	C:\Windows\SysWOW64\temp1.exe	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\shell64.dll	temp2.exe
File created	C:\Windows\SysWOW64\shlmon.exe	temp2.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e00000001c582-8.dat	upx
behavioral2/memory/6068-9-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/6068-18-0x0000000000400000-0x0000000000413000-memory.dmp	upx

Executes a command shell one-liner 1 TTPs 2 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
2076	cmd.exe
3020	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	temp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	temp1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
6068	temp2.exe
6068	temp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	6068	temp2.exe
Token: SeIncBasePriorityPrivilege	6068	temp2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4172	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
4172	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 2548	4172	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe	87
PID 4172 wrote to memory of 6068	4172	2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe	89
PID 2548 wrote to memory of 2076	2548	temp1.exe	91
PID 2076 wrote to memory of 248	2076	cmd.exe	92
PID 6068 wrote to memory of 3020	6068	temp2.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
248	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_3eacd2bd270512bd5f76f9046b286b3a_coinminer_elex_rhadamanthys_wannacry.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Windows\SysWOW64\temp1.exe
  "C:\Windows\system32\temp1.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c attrib -h -s /d /s *.*
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2076
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h -s /d /s *.*
      4⤵
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:248
- C:\Windows\SysWOW64\temp2.exe
  "C:\Windows\system32\temp2.exe"
  2⤵
  - Creates a file in the Startup directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:6068
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\temp2.exe > nul
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3020

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

temp1.exe

Path C:\Windows\SysWOW64\temp1.exe
Size 158KB
SHA256 f72836db054c12b84a93a8f1c80dacefd608f35f6acdd9804a38768ef2e0e170
MD5 a035e2539ea821de2c3979f981826df6
SHA1 a72298930563e2cb93b491d36d9b791760db05f6
SHA512 60b0ec907ee3438a09357ea6a9e4d85ef8b617acd05b1a2c2653100c1256aba3e5caa4deddc9fbf962f9d8beed2c7fbab073e2d2a39e8794be963e28834bfcfa
SSDEEP 1536:2i0HF97X7IsmZ1VfSkB1VsCydxJEf7oY1ORZBJSO3DbS4Vi:2iwjdmZtcCyPmToY1YDJSOTblV
TLSH
T154F3B01778918C37DA8260B00DB18B29E7BBF9701E6196837BAC7DA95F31980DD32347
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

temp2.exe

Path C:\Windows\SysWOW64\temp2.exe
Size 118KB
SHA256 66bae6f9a4f289efcd0b82cc8e835b0382437b545db7a7e4de253797ce173cd2
MD5 c80167a012d408560d0eabbf9536090a
SHA1 be2413cf6b5a33bba58875f497e1ebf3fe7c5da7
SHA512 8c9b6e1fd834500ed0c23a1ae5f4a86c7e79fd5c7b44681141dcc86e909b3cf290a134dfff9930d2c5ce5d0e1bffba837d39c77e3c13f032e4916bacfdf4dd82
SSDEEP 1536:VNhDmXoIw7TSBgynn8+qSGHH+5oU7Fd61rVXkJ7JAMp48wH8hDlS/h:VOfw7TSjiHtEu1OpJAMp4UxOh
TLSH
T1D3C3E196662495E7C9EFC531029A4B3B0D01604217D583FF9F69DDBF34A70E09E34A8E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2548-6-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/2548-19-0x0000000000400000-0x0000000000425000-memory.dmp

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memory/6068-9-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/6068-18-0x0000000000400000-0x0000000000413000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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