51682f1dab73c39547b14dd9a04f7045772ccd8d7c56880008ef705599255a57

General

Target
2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe
Size 88KB
Sample260910-fa6alsxhrh
SHA256 51682f1dab73c39547b14dd9a04f7045772ccd8d7c56880008ef705599255a57
MD5 7bb64f46682ba7beefb3407ab822e4f7
SHA1 dc661b2d9a69071e0458883af02587af2375c67f
SHA512 5b607e1d4a642a606fa9a79bd6e3cb5a8801244e54b0d84e01f082b78d3e7a9349510f4205a5d983b95e6d03657fa2925f0a2b59baf41bf614f397519d8ad89f
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlT:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T148939D07ABA658E9E1206870162D773593EF986F3B2597A38344FE4D9133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4772	amvrn.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	amvrn.exe

Loads dropped DLL 1 IoCs

pid	Process
4504	rundll32.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
2164	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4676	4504	WerFault.exe	93

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	2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_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	amvrn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
2164	cmd.exe
3300	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3300	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5732	2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe
4772	amvrn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5732 wrote to memory of 2164	5732	2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe	89
PID 2164 wrote to memory of 3300	2164	cmd.exe	91
PID 2164 wrote to memory of 4772	2164	cmd.exe	92
PID 4772 wrote to memory of 4504	4772	amvrn.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5732
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\amvrn.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_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:2164
- - 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:3300
- - \??\c:\amvrn.exe
    c:\amvrn.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-08_7bb64f46682ba7beefb3407ab822e4f7_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4772
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jkjxm\yuzeooeqq.dll",DoVirusScan c:\amvrn.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4504
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 480
        5⤵
        Program crash
        
        PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4504 -ip 4504
1⤵
PID:4576

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

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

amvrn.exe

Path \??\c:\amvrn.exe
Size 88KB
SHA256 fce7e0dc89eabe29b8d9f758ceb8a3e1605fa7345f57b981b9ad7647ceaae970
MD5 7db5a3e8872a8e41aaf86cbfcf9d38fb
SHA1 6506310877c80c83c3637cfbb8cf837439ff155e
SHA512 5063816b8ac3bfb42926079cb855a4584764ce7e893cbad368a9d08f2e5d81a767917bc9237b0115b7626fcc8f4606b7dbea7b1663684600fce2f6f16c266d7d
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl3:eSABNx6vb4RoI4pyjHYLhal01UoPXb
TLSH
T159939D07ABA598E9E1206C70161D773593EF986F3B2597A38344FE4E9133DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

yuzeooeqq.dll

Path \??\c:\jkjxm\yuzeooeqq.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

Submit Download

memory/4504-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4772-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5732-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5732-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads