da238f0a7605073e18bf88bfbb5c913413256a53de08c7afa0165d6283c078a5

General

Target
2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe
Size 86KB
Sample260812-g2rrzabp21
SHA256 da238f0a7605073e18bf88bfbb5c913413256a53de08c7afa0165d6283c078a5
MD5 3378df4e9628150d4e469fc5cca67da1
SHA1 bef565f34352e4bfc61141b1042d57ab5792f25f
SHA512 7c0f913ed1bfbed9ec42d47a8afe353c0a99f2213e9b47efeab61366951d436164adc61ceb0f8e33e9297c47e5bddd43a897da1bbb1410a34c54ea823171b90f
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlE:eSABNx6vb4RoI4pyjHYLhal01UoPXg
TLSH
T10883AD07ABAA58DAE1206C70162E773493EF946E3B14AB934388ED4DD537CC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1132	pxcgggk.exe

Executes dropped EXE 1 IoCs

pid	Process
1132	pxcgggk.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	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
5372	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	2920	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-12_3378df4e9628150d4e469fc5cca67da1_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	pxcgggk.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
5372	cmd.exe
3224	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3224	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3080	2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe
1132	pxcgggk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 5372	3080	2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe	89
PID 5372 wrote to memory of 3224	5372	cmd.exe	91
PID 5372 wrote to memory of 1132	5372	cmd.exe	92
PID 1132 wrote to memory of 2920	1132	pxcgggk.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\pxcgggk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_3378df4e9628150d4e469fc5cca67da1_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:5372
- - 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:3224
- - \??\c:\pxcgggk.exe
    c:\pxcgggk.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_3378df4e9628150d4e469fc5cca67da1_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1132
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\awmvuhw\yiexn.dll",DoVirusScan c:\pxcgggk.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2920
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 476
        5⤵
        Program crash
        
        PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2920 -ip 2920
1⤵
PID:240

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

Replay Monitor

Loading Replay Monitor...

Downloads

yiexn.dll

Path \??\c:\awmvuhw\yiexn.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

pxcgggk.exe

Path \??\c:\pxcgggk.exe
Size 86KB
SHA256 92950c3573c6d116e51b4cee745a0d7c07282928158e8de2dc9f70686cb96941
MD5 58bbba63411c28d6ad7662b60aa74b06
SHA1 0da19987e81df7aceb42f12d029d880a930db7ab
SHA512 b14428abe4aec9276285358dce0a2af4cc395b65a1a704baf87587b8d37188314d9c84e376ed77a7f29c79478228b3ab0bb1cf345bbfa2d426bc840d31bc9804
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlB:eSABNx6vb4RoI4pyjHYLhal01UoPXN
TLSH
T17C83AD07ABAA58DAE1206C70162E773493EF946E3B14AB934348EE4DD537CC5EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1132-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2920-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3080-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/3080-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads