013606a330bed30ea8870bb4ea20392be01e277e57c666225dc12ce4d9987f9c

General

Target
2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe
Size 85KB
Sample261102-msezpseg67
SHA256 013606a330bed30ea8870bb4ea20392be01e277e57c666225dc12ce4d9987f9c
MD5 b86e281fdf29a9b52e66c78237e401b5
SHA1 3b8288bca83244128f4ea57217174d170fb884c0
SHA512 e08d72bb205cd14295e335555ea33a57ed2a6d1f3d066c1be6a8dd0b4a0b388e91a7486d4bbcdbcae06a88e93632ccc7ae67a34b2a3d839bf59d6d0f534cda99
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlE:eSABNx6vb4RoI4pyjHYLhal01UoPXY
TLSH
T1EB839D1BAFAA48D9E120AC71152E377493EF946E3B149B938348FE4D9533CC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1188	wjjow.exe

Executes dropped EXE 1 IoCs

pid	Process
1188	wjjow.exe

Loads dropped DLL 1 IoCs

pid	Process
6056	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
3320	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3884	6056	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	2026-11-01_b86e281fdf29a9b52e66c78237e401b5_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	wjjow.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
3320	cmd.exe
3760	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3760	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4612	2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe
1188	wjjow.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 3320	4612	2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe	90
PID 3320 wrote to memory of 3760	3320	cmd.exe	92
PID 3320 wrote to memory of 1188	3320	cmd.exe	93
PID 1188 wrote to memory of 6056	1188	wjjow.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\wjjow.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_b86e281fdf29a9b52e66c78237e401b5_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:3320
- - 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:3760
- - \??\c:\wjjow.exe
    c:\wjjow.exe "C:\Users\Admin\AppData\Local\Temp\2026-11-01_b86e281fdf29a9b52e66c78237e401b5_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\wckjd\fwqyjzg.dll",DoVirusScan c:\wjjow.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:6056
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 6056 -s 488
        5⤵
        Program crash
        
        PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 6056 -ip 6056
1⤵
PID:3016

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

fwqyjzg.dll

Path \??\c:\wckjd\fwqyjzg.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

wjjow.exe

Path \??\c:\wjjow.exe
Size 86KB
SHA256 30a9a3b64bb7b317fb2d149ea923119f47f7358735bf98b1d21fee003573fa0e
MD5 838127a075118064eb4ee8a084fececf
SHA1 cde691abe1daa41d69ac9ec55fbeff05a5e2e974
SHA512 e0bb0194e7c2ec2ef4350b5470732481f0f4d024c2b6017d6e41da7c39f1de7e161d72c4cff3d9d951c93cdff7f8944101f338beb78a8c761c1e655bf8a18ebc
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlJ:eSABNx6vb4RoI4pyjHYLhal01UoPXF
TLSH
T1EB83AD1BAFAA48D9E120AC70162D377493EF946E3B149B939348FE4D9533CC5EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1188-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4612-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4612-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/6056-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads