59668b7a918cd656e00b450097ac527db4ba5902abd92d09e416ddc80ffc2307

General

Target
2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe
Size 89KB
Sample260824-bzerqssaqa
SHA256 59668b7a918cd656e00b450097ac527db4ba5902abd92d09e416ddc80ffc2307
MD5 ae9cdad0579b493f22452ff5027bcf3b
SHA1 82ade91bf3c71a2fa2f719f9d7971725f6f81f84
SHA512 bf63eb2d6c2dd0e0196d20f8a883f7f8deee55c149b81568e2c462ace8574300f1cebd5a70f1ce6e94c27f87705ca40d89b6ec7007b2c953888cd85104881117
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl3:eSABNx6vb4RoI4pyjHYLhal01UoPXz
TLSH
T16B939D47ABA558E8E1206C70161D373597EF98AB3B2597A38384FE4D9133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1276	cbsdcvkze.exe

Executes dropped EXE 1 IoCs

pid	Process
1276	cbsdcvkze.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	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
2240	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4300	1620	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	2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_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	cbsdcvkze.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
2240	cmd.exe
1696	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1696	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4420	2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe
1276	cbsdcvkze.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 2240	4420	2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe	86
PID 2240 wrote to memory of 1696	2240	cmd.exe	88
PID 2240 wrote to memory of 1276	2240	cmd.exe	89
PID 1276 wrote to memory of 1620	1276	cbsdcvkze.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\cbsdcvkze.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_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:2240
- - 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:1696
- - \??\c:\cbsdcvkze.exe
    c:\cbsdcvkze.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-23_ae9cdad0579b493f22452ff5027bcf3b_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\jgeww\mmjwp.dll",DoVirusScan c:\cbsdcvkze.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1620
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 560
        5⤵
        Program crash
        
        PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1620 -ip 1620
1⤵
PID:3232

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

cbsdcvkze.exe

Path C:\cbsdcvkze.exe
Size 90KB
SHA256 51240472f37b24c827cba17b8f0b4c5394bc658d14841f0cb9a928ddda44f008
MD5 e803fd3c2a7e309e2aebe2d85cc0a6b3
SHA1 71e3dd2d23f87d5054773f1614204c02dec78fd2
SHA512 5aa80d2cae36393127e8ce450c08e7c84c1ec49289ad5e4abca2817d6b0ae3b406feee58d9918d64f1d0659c0622c9b199f197ea8d531346740e9a725c64961b
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:eSABNx6vb4RoI4pyjHYLhal01UoPXP
TLSH
T173938D47ABA598E4E1206870161D373197EFD8AB3B2597A38384FE4E9133DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

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mmjwp.dll

Path \??\c:\jgeww\mmjwp.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/1276-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1620-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/4420-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4420-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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