10d18f2084b3970f041b65c2cfa2cca967d7825eedcbc71f3b32bc5de0546181

General

Target
2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
Size 95KB
Sample260906-xhdc8sythy
SHA256 10d18f2084b3970f041b65c2cfa2cca967d7825eedcbc71f3b32bc5de0546181
MD5 c04513666d4e8dabe9686b4e8ad8c2ac
SHA1 4d84f6ca9a6e2011b55a971d837c025a7a54d52c
SHA512 12579e2ce6680623d9da17cc45af971e35b079f790dc466c019382b6218b04b4b40bc19903f7957765330d59b709a99883e842074d0709016c71ed84b58c85c3
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlL:QSABNx6vb4RoI4pyjHYLhal01UoPXP
TLSH
T1FFA3AD0BABAA08D9E220AD70152D377597FF946E3B149B978348FE4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2140	fsqaevly.exe

Executes dropped EXE 1 IoCs

pid	Process
2140	fsqaevly.exe

Loads dropped DLL 1 IoCs

pid	Process
2352	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
4992	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	2352	WerFault.exe	89

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fsqaevly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4992	cmd.exe
4372	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4372	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2488	2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
2140	fsqaevly.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 4992	2488	2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe	85
PID 4992 wrote to memory of 4372	4992	cmd.exe	87
PID 4992 wrote to memory of 2140	4992	cmd.exe	88
PID 2140 wrote to memory of 2352	2140	fsqaevly.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\fsqaevly.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_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:4992
- - 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:4372
- - \??\c:\fsqaevly.exe
    c:\fsqaevly.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\cqblw\muhse.dll",DoVirusScan c:\fsqaevly.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2352
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 560
        5⤵
        Program crash
        
        PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2352 -ip 2352
1⤵
PID:2484

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

fsqaevly.exe

Path C:\fsqaevly.exe
Size 95KB
SHA256 199832666b6f23873f01d21aa7aed31bcfcd23e49f6071f8012c9cd35af1027a
MD5 81431ee6ebd047238510b1a490191a8d
SHA1 afd57bc225da1c3b13377e001295c74c27ca6549
SHA512 ce928c7edc447ac120f394e5ef30391dff385cad0359f6db65ca9cd0f013df07257186a4bdba640299db6fd0744a336d858cffd3addab89a1f98c42b2b6e3dcd
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl8:QSABNx6vb4RoI4pyjHYLhal01UoPXo
TLSH
T106A3AE0BABAA18D9E220AD70152D377597FF946E3B149B978348FE4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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muhse.dll

Path \??\c:\cqblw\muhse.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/2140-7-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2352-10-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/2488-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2488-2-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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