0a02e2731dd0f0e095779649e01bc7226d8a496735a79a99da49aa6eb1e5ac17

General

Target
2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe
Size 82KB
Sample260731-xg84hsfa67
SHA256 0a02e2731dd0f0e095779649e01bc7226d8a496735a79a99da49aa6eb1e5ac17
MD5 2d0639b1692b2a3035f8e461f65c8f03
SHA1 c99d1be684521657fc9d4f5247ea4281a24ceefd
SHA512 35e94a21bcc1bcde93a8b2a4c05c21f69ca14963b1e4f3af14693d657b13380273fa80e9d1eea0076be22e94559e038d90b12a9b224fc32025647fead1a0162e
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzly:eSABNx6vb4RoI4pyjHYLhal01UoPXm
TLSH
T18283AD0BABAA58D9E220AC71152E377493FF946E2B149B938349ED4D9533CC1EC3714E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3468	gfakx.exe

Executes dropped EXE 1 IoCs

pid	Process
3468	gfakx.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	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
4448	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	2432	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	2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_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	gfakx.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
4448	cmd.exe
4132	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4132	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4856	2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe
3468	gfakx.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 4448	4856	2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe	89
PID 4448 wrote to memory of 4132	4448	cmd.exe	91
PID 4448 wrote to memory of 3468	4448	cmd.exe	92
PID 3468 wrote to memory of 2432	3468	gfakx.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\gfakx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_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:4448
- - 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:4132
- - \??\c:\gfakx.exe
    c:\gfakx.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-31_2d0639b1692b2a3035f8e461f65c8f03_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3468
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rdwgm\ayvvadz.dll",DoVirusScan c:\gfakx.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2432
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 476
        5⤵
        Program crash
        
        PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2432 -ip 2432
1⤵
PID:5304

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

gfakx.exe

Path \??\c:\gfakx.exe
Size 82KB
SHA256 9400317863762e0e38ed5e4b46e60ed07c438561fd60d9cd52ed40eb40421f0a
MD5 cd9efea87963f8991cee9a197deeae94
SHA1 1e47459a223a99238a0192afd30c9d0b25c91175
SHA512 f625afc89a72ccdb763171686d2796773c201646d10d8aaf91977b4569124d148086be1e8ae146ed3201e347604d0565a7743da9e11e1d8b8945400eca10daa7
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl9:eSABNx6vb4RoI4pyjHYLhal01UoPXp
TLSH
T17C83AD0BAFAA58D9E2206C71152E377493EF946E3B149B938349ED4D9533CC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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ayvvadz.dll

Path \??\c:\rdwgm\ayvvadz.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/2432-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/3468-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4856-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4856-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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