dd9a4a5f8793e86742c1c83e05f05228f6cfa28c01c2b3a94e59c3cf153020ba

General

Target
2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe
Size 85KB
Sample260719-drpyvaaw6p
SHA256 dd9a4a5f8793e86742c1c83e05f05228f6cfa28c01c2b3a94e59c3cf153020ba
MD5 5e9581ddc1c066c88a63891ea269870b
SHA1 e399afd8bfe14ffeee00fbd3e7ec10c9198448ea
SHA512 113cd0742e28e9a9dcd4d46044ce0c69479c62156ac8572e5a2e2d31e4af09041df02f3dbb57c77833b2328d71cf347dd8ef46479bbd245619de9aafd78389b4
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlR:eSABNx6vb4RoI4pyjHYLhal01UoPXV
TLSH
T1DC839D0BABAA58D9E120AC70152E377593EF946F3B259B938344FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2336	xwvua.exe

Executes dropped EXE 1 IoCs

pid	Process
2336	xwvua.exe

Loads dropped DLL 1 IoCs

pid	Process
4116	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
2212	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2628	4116	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	2026-07-19_5e9581ddc1c066c88a63891ea269870b_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	xwvua.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
2212	cmd.exe
4332	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4332	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4084	2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe
2336	xwvua.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 2212	4084	2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe	89
PID 2212 wrote to memory of 4332	2212	cmd.exe	91
PID 2212 wrote to memory of 2336	2212	cmd.exe	92
PID 2336 wrote to memory of 4116	2336	xwvua.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\xwvua.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_5e9581ddc1c066c88a63891ea269870b_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:2212
- - 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:4332
- - \??\c:\xwvua.exe
    c:\xwvua.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-19_5e9581ddc1c066c88a63891ea269870b_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rkzir\jvcauefwf.dll",DoVirusScan c:\xwvua.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4116
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 480
        5⤵
        Program crash
        
        PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4116 -ip 4116
1⤵
PID:2816

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

jvcauefwf.dll

Path \??\c:\rkzir\jvcauefwf.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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xwvua.exe

Path \??\c:\xwvua.exe
Size 85KB
SHA256 657a3db150760a96d2746619f2e549e78baf41d72e153b7d178de2df79c35f92
MD5 6457d5bf262a1d149ae5e166e806dbe6
SHA1 10ff246624528660568cdef758610354a159acc4
SHA512 316c5d8a58e22d82c85024b509badbd183ac6d56e8e7a6a71db35414ce8ef084c22cfb18a09e33702e6a6cbf0ce494b12f18d41b30bc893a436e97234076f34f
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlp:eSABNx6vb4RoI4pyjHYLhal01UoPXV
TLSH
T1BE839D1BABAA58D9E120AC70152D377493FF946E3B149BA39348FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2336-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4084-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4084-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4116-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads