ad5575f28ddc1742c16072f499a2741be0f46387336418955c39c78fe1b7bfe4

General

Target
2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe
Size 86KB
Sample260804-m6bt7syclf
SHA256 ad5575f28ddc1742c16072f499a2741be0f46387336418955c39c78fe1b7bfe4
MD5 8344e899e0ab16ad4b5a11b234e3400c
SHA1 25ff3d0328ebfdf0e1f79a55a59b7523cde55e86
SHA512 b2f5959edd5868b84c750cbdfcaccdc57a6c34f7bb2bbf8ade27dbb91381a7df1825aee1a4ebd690cbaa3739e0cfe675ad855b598298bb00b7f792d89613fb66
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlf:eSABNx6vb4RoI4pyjHYLhal01UoPXD
TLSH
T184939D07ABAA58D9E1206C70162E773493EF946F3B149BA34384EE4D9533CC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4368	gypri.exe

Executes dropped EXE 1 IoCs

pid	Process
4368	gypri.exe

Loads dropped DLL 1 IoCs

pid	Process
5224	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
4284	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3296	5224	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gypri.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_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
4284	cmd.exe
3548	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3548	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3284	2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe
4368	gypri.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 4284	3284	2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe	90
PID 4284 wrote to memory of 3548	4284	cmd.exe	92
PID 4284 wrote to memory of 4368	4284	cmd.exe	93
PID 4368 wrote to memory of 5224	4368	gypri.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gypri.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_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:4284
- - 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:3548
- - \??\c:\gypri.exe
    c:\gypri.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_8344e899e0ab16ad4b5a11b234e3400c_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4368
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\wxjxt\sfasy.dll",DoVirusScan c:\gypri.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:5224
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5224 -s 476
        5⤵
        Program crash
        
        PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5224 -ip 5224
1⤵
PID:2908

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

gypri.exe

Path \??\c:\gypri.exe
Size 87KB
SHA256 72e0627d093eb4738acf4e68d95cf80101359cfa7adc7d53d62dadda08de0e33
MD5 388210f76728903916496f07a556dd64
SHA1 b688c993352c05f5cf77ce94acab64620cdfa72e
SHA512 49b5676f6145999e4898ead9dcd003dd666a4068920dab2703b499bd7313bd49ca8e7cc884e06e8d3e77b4f597e42c0654def4c764e2fad1f483688ca11be0ff
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl3:eSABNx6vb4RoI4pyjHYLhal01UoPXT
TLSH
T1D7939D07ABAA58D9E1206C71162E773493EF946F3B149BA34384EE4D9533CC5EC3A14E
MD5 SHA1 SHA512 SSDEEP TLSH

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sfasy.dll

Path \??\c:\wxjxt\sfasy.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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memory/3284-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3284-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4368-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/5224-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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