4222b9a9319dd8af4ed009a77b1488cdeb2819bcba3cc1efdc3383d83504cf99

General

Target
2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_wannacry.exe
Size 94KB
Sample260819-1w4zwsvalh
SHA256 4222b9a9319dd8af4ed009a77b1488cdeb2819bcba3cc1efdc3383d83504cf99
MD5 d078febec2defa4d04e0b4065de20d68
SHA1 0ea86b9bc133fd3115ebd9282289298658e2fdd1
SHA512 091376127b12600d8d0dee5e067b45a6965b3088499942bd968786a91dcd6e50e7420a8e2283d6692b84b1777aeed838da317bb2f79804daa5e620efd0f8c9e7
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzl7:QSABNx6vb4RoI4pyjHYLhal01UoPXH
TLSH
T10E93AD0BABAA08D9E220AD71142D377597FF946E3B249B978349FD4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5696	afoiixs.exe

Executes dropped EXE 1 IoCs

pid	Process
5696	afoiixs.exe

Loads dropped DLL 1 IoCs

pid	Process
2152	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
2592	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5460	2152	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	2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_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	afoiixs.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
2592	cmd.exe
5400	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5400	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1316	2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_wannacry.exe
5696	afoiixs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2592	1316	2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_wannacry.exe	89
PID 2592 wrote to memory of 5400	2592	cmd.exe	91
PID 2592 wrote to memory of 5696	2592	cmd.exe	92
PID 5696 wrote to memory of 2152	5696	afoiixs.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_d078febec2defa4d04e0b4065de20d68_elex_feodo_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\afoiixs.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_d078febec2defa4d04e0b4065de20d68_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:2592
- - 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:5400
- - \??\c:\afoiixs.exe
    c:\afoiixs.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_d078febec2defa4d04e0b4065de20d68_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:5696
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\qtpyv\hfcwg.dll",DoVirusScan c:\afoiixs.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2152
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 476
        5⤵
        Program crash
        
        PID:5460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2152 -ip 2152
1⤵
PID:5476

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

afoiixs.exe

Path \??\c:\afoiixs.exe
Size 94KB
SHA256 e0739e8cb6baa8cc7c95e3e07e5e5d9e7dd325bb94b0305ff660f6e8dc08b4bc
MD5 839b51253a09c6626883466947c47ea4
SHA1 700a789064bfa220e6493f029b8e9a76cd804402
SHA512 41f20c27be9ac0eefdf836e4722d9b9b5a45a9d3a2b83b59c9359fd05721c0a97ecb2efc99797dc9234fbe0a28d973793f59f5774030e05024a24e204fec7cc3
SSDEEP 1536:VSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlh:QSABNx6vb4RoI4pyjHYLhal01UoPXF
TLSH
T13993AD0BABAA08D9E220AD71142D377597FF946E3B149B978349FD4D9433CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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hfcwg.dll

Path \??\c:\qtpyv\hfcwg.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/1316-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/1316-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2152-9-0x0000000010000000-0x0000000010032000-memory.dmp

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memory/5696-6-0x0000000000400000-0x0000000000417000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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