859ef378cf5d08fb2d25f803382663ef062a87860c3d91ea1837710a35bfba79

General

Target
2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe
Size 85KB
Sample260712-k66cpsft7m
SHA256 859ef378cf5d08fb2d25f803382663ef062a87860c3d91ea1837710a35bfba79
MD5 76391894ed61f51445b27b404a87f6fa
SHA1 d03f1dcbb800f81bb79577e77d4331ce1a97855a
SHA512 5ef2c049980d5342f51622e9a0d44433268da2807f2eebc374085f7e0193dd6eaf8899a8909c48d46862cc6b0e205cc71500361ef3d427de3bd3d88f70cb170b
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlm:eSABNx6vb4RoI4pyjHYLhal01UoPXK
TLSH
T1B6839D0BABAA58E9E1206C70152D377593EF946F2B2497A38344FE4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4232	umisj.exe

Executes dropped EXE 1 IoCs

pid	Process
4232	umisj.exe

Loads dropped DLL 1 IoCs

pid	Process
1372	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4616	1372	WerFault.exe	91

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	umisj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-12_76391894ed61f51445b27b404a87f6fa_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

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
6096	cmd.exe
3536	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3536	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5872	2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe
4232	umisj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5872 wrote to memory of 6096	5872	2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe	87
PID 6096 wrote to memory of 3536	6096	cmd.exe	89
PID 6096 wrote to memory of 4232	6096	cmd.exe	90
PID 4232 wrote to memory of 1372	4232	umisj.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5872
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\umisj.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:6096
- - 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:3536
- - \??\c:\umisj.exe
    c:\umisj.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-12_76391894ed61f51445b27b404a87f6fa_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4232
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\tumxw\cpouj.dll",DoVirusScan c:\umisj.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1372
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 476
        5⤵
        Program crash
        
        PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1372 -ip 1372
1⤵
PID:2096

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

cpouj.dll

Path \??\c:\tumxw\cpouj.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

umisj.exe

Path \??\c:\umisj.exe
Size 85KB
SHA256 7ae9a068ea7146eb28164baa1b5428035fbb4c4914e9fd4080544b98bccdc3dd
MD5 ffc20d893ce71242f2483a27aae59b08
SHA1 6a3f345947500f706b61ea3b306fc330ff5f8efe
SHA512 ef89a6f2a2990a20ad23b03c697e582479f3920c9dc3acbc61ed9f01bd8e63fc2b57b46ee87a75dfef57529565ad0e95f14b2fa24ee13523934e4785d3ec4f8d
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlO:eSABNx6vb4RoI4pyjHYLhal01UoPXC
TLSH
T141839D0BABAA58E9E120AC70152D377597EF946F3B2497A38344FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1372-9-0x0000000010000000-0x0000000010032000-memory.dmp

Download

memory/4232-6-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5872-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/5872-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads