aa20ac8f933d14395cab90b85f4fcbbc113895fb3e28ec2a64ad9f0ef59abea2

General

Target
2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe
Size 87KB
Sample260711-kcsvhset8m
SHA256 aa20ac8f933d14395cab90b85f4fcbbc113895fb3e28ec2a64ad9f0ef59abea2
MD5 17bad9b6145e0264dfba77a49800356a
SHA1 17e21c70e592f369a32a7ab9379b6e0e1ddbf705
SHA512 00728b3fcc121f024641980b98dc564228d0231da9494da1c42339d43e0856980342166ed2d32ab2687210c290c86c9bcd7303a396b344fc67d34693fdb006ca
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlg:eSABNx6vb4RoI4pyjHYLhal01UoPX
TLSH
T170939D0BABAA58D9E120AC70152D377593FF94AE2B259B938344FE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3888	oudcqyirr.exe

Executes dropped EXE 1 IoCs

pid	Process
3888	oudcqyirr.exe

Loads dropped DLL 1 IoCs

pid	Process
3776	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1912	3776	WerFault.exe	90

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oudcqyirr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.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
2612	PING.EXE
4112	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3492	2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe
3888	oudcqyirr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 4112	3492	2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe	86
PID 4112 wrote to memory of 2612	4112	cmd.exe	88
PID 4112 wrote to memory of 3888	4112	cmd.exe	89
PID 3888 wrote to memory of 3776	3888	oudcqyirr.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\oudcqyirr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4112
- - 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:2612
- - \??\c:\oudcqyirr.exe
    c:\oudcqyirr.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-11_17bad9b6145e0264dfba77a49800356a_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3888
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\qwxaj\dnfjz.dll",DoVirusScan c:\oudcqyirr.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3776
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 560
        5⤵
        Program crash
        
        PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3776 -ip 3776
1⤵
PID:3552

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

oudcqyirr.exe

Path C:\oudcqyirr.exe
Size 87KB
SHA256 75e06c5266b875270dcd308e8428e769bf6c00916dd20377ae40cc997dea9e5d
MD5 09cd10e1c045234b8ae98145b32bb654
SHA1 b7646a8eef32a9e9fa9342825c6f2ba0b536e280
SHA512 b386d9bebeb21891d7f62a176d13de6a510dbc7094727bcdc2ae73e59d4b296312b3e218591caeec4ff1d4015fd6c8d5df6da4c5aa574805cd03bc7e55d175e1
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlD:eSABNx6vb4RoI4pyjHYLhal01UoPXH
TLSH
T116939D0BABAA58D9E120AC70152D377593FF94AE2B2597A38344FE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dnfjz.dll

Path \??\c:\qwxaj\dnfjz.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/3492-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3492-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3776-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/3888-7-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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