07aad95f0808eb1ee11242e957987b9a1350aae4902e09a47564ab6975d9bc29

General

Target
2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
Size 87KB
Sample261030-m38prsec59
SHA256 07aad95f0808eb1ee11242e957987b9a1350aae4902e09a47564ab6975d9bc29
MD5 0872ac95aa451a3e69def31273d73890
SHA1 ff68ffcf9235d281f6ada232ef837121db1d60bc
SHA512 87c31f7b8e42449fc524a645a77f51b722ab1a5e192ea902b45ceb245964a67866b5850ce94bf5a89b6a4aa8597310e06334fda6a444c155e3351f4c0574c247
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlu:eSABNx6vb4RoI4pyjHYLhal01UoPXy
TLSH
T161939D07ABA588D9E1206C70161E773497EF986E3B1497A38344FE4EE533DC5EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4804	dystt.exe

Executes dropped EXE 1 IoCs

pid	Process
4804	dystt.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	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
3688	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3640	2856	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	2026-10-28_0872ac95aa451a3e69def31273d73890_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	dystt.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
3688	cmd.exe
3252	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3252	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4092	2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
4804	dystt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 3688	4092	2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe	89
PID 3688 wrote to memory of 3252	3688	cmd.exe	91
PID 3688 wrote to memory of 4804	3688	cmd.exe	92
PID 4804 wrote to memory of 2856	4804	dystt.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\dystt.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_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:3688
- - 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:3252
- - \??\c:\dystt.exe
    c:\dystt.exe "C:\Users\Admin\AppData\Local\Temp\2026-10-28_0872ac95aa451a3e69def31273d73890_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4804
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\gawmf\zmgqvxjui.dll",DoVirusScan c:\dystt.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2856
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 476
        5⤵
        Program crash
        
        PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2856 -ip 2856
1⤵
PID:6068

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

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

dystt.exe

Path \??\c:\dystt.exe
Size 87KB
SHA256 07298268cf9997a12aefd280455a89fa0f79c1c45dce42b53c3cb2e29fd33e0e
MD5 f99c253f0de2a92a21a338bd3bff841f
SHA1 4c1bc8e4933efab8a0b4118d05049f880cc89533
SHA512 e419991481dec29d7eec86f707f2b3e545622331ce743e2a9025f909ba9cce26c6eae018a58722e5f0761c899a85d27196d2c5cf11663c298a091e1f908d4d00
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlq:eSABNx6vb4RoI4pyjHYLhal01UoPXO
TLSH
T1EE939D07ABA598D9E1206C70161D773487EF986E3B1497A38348FE4EE533DC5EC3618A
MD5 SHA1 SHA512 SSDEEP TLSH

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zmgqvxjui.dll

Path \??\c:\gawmf\zmgqvxjui.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/2856-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4092-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4092-2-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/4804-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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