fccd6a5c75494d9b44691db3e0cd53ad0307a0b3c056a09dc46b49dadb76af60

Analysis

max time kernel
148s
max time network
122s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 22:25

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General

Target
2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe
Size 84KB
Sample260702-2b9kbafx4w
SHA256 fccd6a5c75494d9b44691db3e0cd53ad0307a0b3c056a09dc46b49dadb76af60
MD5 e329ab26b150d928c52d0fbcaea6b241
SHA1 dfe9d86e773b3ebe2b8b043e56fb0aba382816ce
SHA512 5147432d5da204c0fa3ab7c998946c355acd812dcb60beb3c03e94cb50a1c8776f3effe0cb16817a4dd14113aa8f1024af513902bb64a59d12dbc794c240d8cd
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlo:eSABNx6vb4RoI4pyjHYLhal01UoPXc
TLSH
T15583AE0BAFAA18D9E220AC71152E377493FF94AE2B149B938345ED4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4524	solwrr.exe

Executes dropped EXE 1 IoCs

pid	Process
4524	solwrr.exe

Loads dropped DLL 1 IoCs

pid	Process
3640	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	3640	WerFault.exe	92

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	solwrr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-02_e329ab26b150d928c52d0fbcaea6b241_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

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
5816	cmd.exe
4056	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4056	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2916	2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe
4524	solwrr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 5816	2916	2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe	88
PID 5816 wrote to memory of 4056	5816	cmd.exe	90
PID 5816 wrote to memory of 4524	5816	cmd.exe	91
PID 4524 wrote to memory of 3640	4524	solwrr.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\solwrr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5816
- - 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:4056
- - \??\c:\solwrr.exe
    c:\solwrr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-02_e329ab26b150d928c52d0fbcaea6b241_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4524
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rtyfh\cfucq.dll",DoVirusScan c:\solwrr.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3640
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 476
        5⤵
        Program crash
        
        PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3640 -ip 3640
1⤵
PID:3528

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

cfucq.dll

Path \??\c:\rtyfh\cfucq.dll
Size 50KB
SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
MD5 18cc91cc0c4c41e39a2c5310e760f0ef
SHA1 aaacc94db8d8a37e5d34878aa259d3274a5ff2a7
SHA512 8abba5220a7216288d0d2c683a5d01b796b1179464a2432eda991004348223c822c54ab39fd19302ff01974ec8d026e98280e9f1bdb67178126d75a974ecc7e7
SSDEEP 768:Z+arYIR3u5v4bGwCl56LNQQe5JBtGf1oTYtx/qQvo9:ZPrG57TzDxJS6Etx/ZvO
TLSH
T1AB33E178E1F4B8F6E46EAB345D82146DB1C16BD34D3080BA079224AF6C37E578B52731
MD5 SHA1 SHA512 SSDEEP TLSH

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solwrr.exe

Path \??\c:\solwrr.exe
Size 85KB
SHA256 f28bc9e54a5ad368286a3546ef08d0895e95b3a75db371afbd721a0c196438b3
MD5 dccb61d777ed6bd5ad5435b4b230bc6a
SHA1 dd21c68d0a44afb181d7553669106531ebe5cc7d
SHA512 056da0533859c6473c3cd010aedd759ffd7eb8369caec66c0a18f6b8ef55707a391b5be2e5f061d9ae6ec1ee4845457284b631497eef744113ca7d86123a1e76
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlF:eSABNx6vb4RoI4pyjHYLhal01UoPXp
TLSH
T17D83AE0BABAA58D9E2206C71152E377493FF946E3B149B938349EE4D9433CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2916-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2916-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3640-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4524-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads