26f916f7d49614f6f4677e5db18e8ee7852fc239bea78cf8e0ce5e78228b289f

General

Target
2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe
Size 84KB
Sample260819-2vlycsbk2x
SHA256 26f916f7d49614f6f4677e5db18e8ee7852fc239bea78cf8e0ce5e78228b289f
MD5 50fdc87b63106d01af3df2cdc0a26c1c
SHA1 03a00dfee1de2c2a9c29f8c5e37afdf7ebf4e3c1
SHA512 63257b471f1dc50cde762c3fa0d389cc359cf381e45bd4180f2084b95e0c9925ca09d5eae449d41ddedf23912fa96b057b8d066d01b04f863a1ef3146f386639
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlp:eSABNx6vb4RoI4pyjHYLhal01UoPXl
TLSH
T11B839D0BABAA58E9E120AC70152D377593EF946E3B259B938344FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4308	qfoehsrt.exe

Executes dropped EXE 1 IoCs

pid	Process
4308	qfoehsrt.exe

Loads dropped DLL 1 IoCs

pid	Process
4424	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
1072	cmd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3676	4424	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	qfoehsrt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_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

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
1072	cmd.exe
4076	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4076	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3312	2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe
4308	qfoehsrt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 1072	3312	2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe	89
PID 1072 wrote to memory of 4076	1072	cmd.exe	91
PID 1072 wrote to memory of 4308	1072	cmd.exe	92
PID 4308 wrote to memory of 4424	4308	qfoehsrt.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\qfoehsrt.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_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:1072
- - 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:4076
- - \??\c:\qfoehsrt.exe
    c:\qfoehsrt.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-19_50fdc87b63106d01af3df2cdc0a26c1c_elex_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4308
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\oeaftfahs\wbzzy.dll",DoVirusScan c:\qfoehsrt.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:4424
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 488
        5⤵
        Program crash
        
        PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4424 -ip 4424
1⤵
PID:3544

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

wbzzy.dll

Path \??\c:\oeaftfahs\wbzzy.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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qfoehsrt.exe

Path \??\c:\qfoehsrt.exe
Size 84KB
SHA256 f2b892b3339469356736d89b122890bb26b1c54aee544b311b46cc26297bfdec
MD5 5a2bd582523821b79c9ade0374bb59e1
SHA1 89b0ac5034b96ab91603ad099d8478b47938b1a4
SHA512 4192fa88aaeabce43167a79a6f3055691764e62a1c2451aff6e5bc623ac6941849ad024cebd4a245c100450b26c058b350511d5001fa4602891cef288815b0c8
SSDEEP 1536:TSSABNx6vb4RoI47zzzzzzzzzvfxzVzNrzzzgzzzzzzzzzzzzzzzz6zzzdzzzzlc:eSABNx6vb4RoI4pyjHYLhal01UoPXw
TLSH
T1AF839D0BABAA58D9E120AC70152D377593EF946E3B2597A38344FE4D9533CC1EC3614A
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3312-0-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3312-2-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4308-6-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4424-9-0x0000000010000000-0x0000000010032000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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