b8bd3d3f174cd6ab5e8996d677d82623bf3ee584c00506bbc3a72abbd5786830

General

Target
2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe
Size 84KB
Sample260824-e5dcmscp4t
SHA256 b8bd3d3f174cd6ab5e8996d677d82623bf3ee584c00506bbc3a72abbd5786830
MD5 97a34d2250f1bfbf3b8ae612f64f8b6c
SHA1 4ad589f7578bd62a4785b203b7d3a6332453dd1e
SHA512 361ca51686a3820063c0c10df28a7ea7ab069203fe5d73d39307606907b3a73c51713ea40da1c131d3a7df41b9b1b41821a3c2efae757366974e7bd5f4013611
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlp:eSABNx6vb4RoI4pyjHYLhal01UoPXl
TLSH
T14E839D07ABAA58E9E1206C70162D373593EF946F3B2497A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5444	xkwue.exe

Executes dropped EXE 1 IoCs

pid	Process
5444	xkwue.exe

Loads dropped DLL 1 IoCs

pid	Process
2624	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
4448	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5324	2624	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	2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_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	xkwue.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
4448	cmd.exe
4312	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4312	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5168	2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe
5444	xkwue.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5168 wrote to memory of 4448	5168	2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe	89
PID 4448 wrote to memory of 4312	4448	cmd.exe	91
PID 4448 wrote to memory of 5444	4448	cmd.exe	92
PID 5444 wrote to memory of 2624	5444	xkwue.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5168
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\xkwue.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_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:4448
- - 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:4312
- - \??\c:\xkwue.exe
    c:\xkwue.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_97a34d2250f1bfbf3b8ae612f64f8b6c_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5444
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\fwbvt\rzhdydo.dll",DoVirusScan c:\xkwue.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2624
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 476
        5⤵
        Program crash
        
        PID:5324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2624 -ip 2624
1⤵
PID:5248

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

rzhdydo.dll

Path \??\c:\fwbvt\rzhdydo.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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xkwue.exe

Path \??\c:\xkwue.exe
Size 84KB
SHA256 f1af4e4acaa9f39d337b19f068e4c2b520d6553793aba2f219fdb41d0fd43220
MD5 da79212a68e6583a27631c5eb01a2aef
SHA1 bc50a4064f065aecd5f2db171ddd687485c61e5a
SHA512 418f5cec5fad38cb2ba5dde42206d84dfa40f0123f3d81cb5011ce6b73517eb47755c12755d970eab38740d4c04c8105622db40544b9233c82e4d7e2120e1e2a
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlG:eSABNx6vb4RoI4pyjHYLhal01UoPX6
TLSH
T14C839D07ABAA58D9E1206C70162D773593EF986E3B2497A38384FE4D9533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2624-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/5168-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5168-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5444-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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