efa287a7e0c8424c6fbf4ba9c48030133d38bbcc6c71c8fd188e530d4e779ff1

General

Target
2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe
Size 87KB
Sample260706-a2pt2sgy41
SHA256 efa287a7e0c8424c6fbf4ba9c48030133d38bbcc6c71c8fd188e530d4e779ff1
MD5 5a264b6169f5d6310c70bea10feac639
SHA1 392870589bbdd47293c3cf88b934104bc157cf5d
SHA512 31af6b861963a5964c666eb471587c74e06c61a5ce9e660bdbc137dd5c7a96238fbafbce7d46bc9e656cf536e132b3f72ceeb0e0c617c402936d6096df44fced
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzla:eSABNx6vb4RoI4pyjHYLhal01UoPXG
TLSH
T1C5939C1BABA958E9E1206C70152D377593EF946F3B2497A38344FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4524	gkvre.exe

Executes dropped EXE 1 IoCs

pid	Process
4524	gkvre.exe

Loads dropped DLL 1 IoCs

pid	Process
3252	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4716	3252	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gkvre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-06_5a264b6169f5d6310c70bea10feac639_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
3384	cmd.exe
2620	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2620	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4220	2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe
4524	gkvre.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 3384	4220	2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe	89
PID 3384 wrote to memory of 2620	3384	cmd.exe	91
PID 3384 wrote to memory of 4524	3384	cmd.exe	92
PID 4524 wrote to memory of 3252	4524	gkvre.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gkvre.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3384
- - 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:2620
- - \??\c:\gkvre.exe
    c:\gkvre.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-06_5a264b6169f5d6310c70bea10feac639_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4524
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\uahap\ikoys.dll",DoVirusScan c:\gkvre.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:3252
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 476
        5⤵
        Program crash
        
        PID:4716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3252 -ip 3252
1⤵
PID:5160

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

gkvre.exe

Path \??\c:\gkvre.exe
Size 87KB
SHA256 708db708708154e8f37f052d2fe7758a274a1968345155f1ae5417963cf8f600
MD5 683e1d545ecaab887f719c1039e87b93
SHA1 c3125c738ea258dd883e68e38e1dfffd37506072
SHA512 ec3aa583fd603e783d237adf87dfde052554f41d4d3e65e27f22faa39416928fbb532e3bab222b68c38dd4f8be0d05faa1efed3b39c9ab2af7270d6ec8d11929
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzly:eSABNx6vb4RoI4pyjHYLhal01UoPXe
TLSH
T105939D07ABA958E9E1206C70162D377593EF986F3B1497A38344FE4D9533DC1EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ikoys.dll

Path \??\c:\uahap\ikoys.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/3252-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4220-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4220-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4524-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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