0811ad84999d6fbb1dbc32ae4e2f9d32b8b24652108f661b180da29d2e504e01

General

Target
2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe
Size 86KB
Sample260814-2pg28aaq3v
SHA256 0811ad84999d6fbb1dbc32ae4e2f9d32b8b24652108f661b180da29d2e504e01
MD5 f2935077ef6ee53b9a6de1fbabc01067
SHA1 f36b450e687a3dda6c1358ca7547bccfab857a7f
SHA512 ef57c402bf801872f88c5a229c9afd3644d70997b17af4d355aab2f5cc9f2a413f66d5db2aea10b293733ac0fbbc92a03908ca36fbaa901767de230ab2e5e5f6
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl+:eSABNx6vb4RoI4pyjHYLhal01UoPX6
TLSH
T184938C07ABAA58E9E1206C70161D373597EF986F3B2597A38344FE4E9133DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3692	iuvimmuuj.exe

Executes dropped EXE 1 IoCs

pid	Process
3692	iuvimmuuj.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	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
2024	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4368	2844	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	2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_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	iuvimmuuj.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
2024	cmd.exe
1380	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1380	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4492	2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe
3692	iuvimmuuj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2024	4492	2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe	86
PID 2024 wrote to memory of 1380	2024	cmd.exe	88
PID 2024 wrote to memory of 3692	2024	cmd.exe	89
PID 3692 wrote to memory of 2844	3692	iuvimmuuj.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\iuvimmuuj.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_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:2024
- - 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:1380
- - \??\c:\iuvimmuuj.exe
    c:\iuvimmuuj.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-14_f2935077ef6ee53b9a6de1fbabc01067_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3692
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\bwdqz\lzpgdwj.dll",DoVirusScan c:\iuvimmuuj.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2844
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 560
        5⤵
        Program crash
        
        PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2844 -ip 2844
1⤵
PID:3772

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

iuvimmuuj.exe

Path C:\iuvimmuuj.exe
Size 87KB
SHA256 ea87d1c149f6366d73b4dbada2b34e03c37283c72ee1ea9c51940721bb206e15
MD5 b60bf879507c70a026f3d5acc6633f2f
SHA1 66bbf57e139c151e3906aa6ac9597dd85737b432
SHA512 91f46b8708938c7b69763100d54addfe8f829fc1f3a8831750fe2a8c17d77cdc4702f5300335ccfdb0faf1c59ef16c25602a65b86db2d9a88e2fb30657551951
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlx:eSABNx6vb4RoI4pyjHYLhal01UoPXF
TLSH
T13A939D07ABA998E9E1206C70161D373597EF986F3B2597A38344FE4E9133DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

lzpgdwj.dll

Path \??\c:\bwdqz\lzpgdwj.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/2844-10-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/3692-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4492-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4492-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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