48828f21f82b654a148780721a1945e7e8493c48d288b0b580a6fb02091c98e1

General

Target
2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe
Size 85KB
Sample260804-m3wp7styhw
SHA256 48828f21f82b654a148780721a1945e7e8493c48d288b0b580a6fb02091c98e1
MD5 87aaf8ce34efc9b30c597ce17521dc57
SHA1 bdd9ca74546ea1a9b24d6e40e1546de451281245
SHA512 142bb7002b26e606a6bb40963a393e70d3f115e8c566fa0007d487e603e30c5b9387ff99374ca4ed17dbc0d726952f99c00fdfef0228376461a431708154b4cf
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlL:eSABNx6vb4RoI4pyjHYLhal01UoPX/
TLSH
T10F838C07ABA958E9E1206C70152D773493EF946F2B259BA38344FE4D9533DC1EC3614E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3216	fdlljsxcf.exe

Executes dropped EXE 1 IoCs

pid	Process
3216	fdlljsxcf.exe

Loads dropped DLL 1 IoCs

pid	Process
916	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
1932	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	916	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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_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	fdlljsxcf.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
1932	cmd.exe
4572	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4572	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe
3216	fdlljsxcf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 1932	2884	2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe	89
PID 1932 wrote to memory of 4572	1932	cmd.exe	91
PID 1932 wrote to memory of 3216	1932	cmd.exe	92
PID 3216 wrote to memory of 916	3216	fdlljsxcf.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\fdlljsxcf.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_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:1932
- - 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:4572
- - \??\c:\fdlljsxcf.exe
    c:\fdlljsxcf.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-03_87aaf8ce34efc9b30c597ce17521dc57_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3216
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\rpvuq\eqqnf.dll",DoVirusScan c:\fdlljsxcf.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:916
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 476
        5⤵
        Program crash
        
        PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 916 -ip 916
1⤵
PID:5080

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

fdlljsxcf.exe

Path \??\c:\fdlljsxcf.exe
Size 85KB
SHA256 cb53b3332c119e91c4147e93afcdd5df58e81117feba3d53fa3a7ab615b641dc
MD5 bbce4ed8cd200e4ba2c0b67e04f0c9ea
SHA1 4f019bdbcdf24ef879b7cd54bed855bab9667612
SHA512 af634acc2c27b398c8c7acd905b2681c1bcec5f60a577c284bfd5309f25b7a810af9cfba402de9a3c5864182d28588a30c0d4bc825a62ca2c11b6fecaa360644
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlN:eSABNx6vb4RoI4pyjHYLhal01UoPXx
TLSH
T12C838C07ABA958D9E1206C70162D773493EF946F3B2497A38384FE4DA533DC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

eqqnf.dll

Path \??\c:\rpvuq\eqqnf.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/916-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/2884-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2884-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3216-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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