fdfc6d3220a1ec899236f0016e4e061106f52cc6fcfe762148567d7996676297

General

Target
2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe
Size 86KB
Sample260806-ap29lsvve1
SHA256 fdfc6d3220a1ec899236f0016e4e061106f52cc6fcfe762148567d7996676297
MD5 48f9a9ea75ee7ac18af99b4d58ee2bdf
SHA1 edb847854847c2441031fb6be49e65ccfbd7a00d
SHA512 3443feb0795cbfd375cf5c23d37a74ae2837383647ac428b66228c590c532207dd95939bb2b71fba718047b3e2c8e6422053ed6d4c748a92ac44a8344b98b634
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlE:eSABNx6vb4RoI4pyjHYLhal01UoPX4
TLSH
T1DF838C07ABA958E9E1206C70162D773493EF946F2B2597A38384FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5224	mibdl.exe

Executes dropped EXE 1 IoCs

pid	Process
5224	mibdl.exe

Loads dropped DLL 1 IoCs

pid	Process
5824	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
5896	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5724	5824	WerFault.exe	94

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	2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_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	mibdl.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
5896	cmd.exe
4120	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4120	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4536	2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe
5224	mibdl.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 5896	4536	2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe	90
PID 5896 wrote to memory of 4120	5896	cmd.exe	92
PID 5896 wrote to memory of 5224	5896	cmd.exe	93
PID 5224 wrote to memory of 5824	5224	mibdl.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\mibdl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_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:5896
- - 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:4120
- - \??\c:\mibdl.exe
    c:\mibdl.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-05_48f9a9ea75ee7ac18af99b4d58ee2bdf_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5224
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\vueem\fwahu.dll",DoVirusScan c:\mibdl.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5824
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5824 -s 476
        5⤵
        Program crash
        
        PID:5724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5824 -ip 5824
1⤵
PID:3296

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

mibdl.exe

Path \??\c:\mibdl.exe
Size 86KB
SHA256 b05105b02dca2f02cb6f922ec08859f990dfbcfd1a8930d97233ec546a8c9d39
MD5 ea4fcf81df82e64a7d9d0d0e3d149058
SHA1 8598b47ca24ecf8558a004aa77cea0c8aa694d1e
SHA512 a141baa731ae80fcdf1cc7e1162a15923dbb212bf037f8f55fdac042c79e16dd2f18d2b3fd52192e590f55f75a95d8a52caa991bb3a369c8350f341806918f71
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlA:eSABNx6vb4RoI4pyjHYLhal01UoPXE
TLSH
T13A839D07ABA958D9E1206C70162D773493EF946F3B2497A38384FE4D9533DC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

fwahu.dll

Path \??\c:\vueem\fwahu.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/4536-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4536-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5224-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5824-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads