Analysis
- max time kernel
149s - max time network
143s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 04:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe
- Size 69KB
- Sample260421-e76rzabx4s
- SHA256 031f094f7b58847817909a29fb017c2eef672f717a19b5e40051e66f8629490d
- MD5 f3e122eb71cd458d9b2c15043b08ad10
- SHA1 90953dc5d5076c54a009d8ee10d54723bf3641ce
- SHA512 66a50ff3703d54e6f1323e56f2ff350bb571ea57d448ae68e88e4b818577c69d4726abb4202d7e99b573fe17a12b55d54e2d0410422435d23dd9ac04485dfbc1
- SSDEEP 768:n6yLumOhQkoDBY+4BnJnV5CLUe+Ykf+HI15hzMNl9tPyjf/gQVdPOn:9LunhbYWNPCLUQ/HItWt6b/gQVdPs
- TLSH T11D639E16DB548C4BDA24873D4B6A87731EE3CC384AEA0D4BBB4CD95C5D26B406D1E38A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule behavioral2/memory/2488-0-0x0000000010000000-0x000000001000A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Executes dropped EXE 1 IoCs
pid Process 4332 bqchost.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\bqchost.exe 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe File opened for modification C:\Windows\Debug\bqchost.exe 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bqchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2488 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2488 wrote to memory of 5248 2488 2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_f3e122eb71cd458d9b2c15043b08ad10_elex_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
PID:5248
-
-
C:\Windows\Debug\bqchost.exeC:\Windows\Debug\bqchost.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4332
Network
MITRE ATT&CK Enterprise v16
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Downloads
- Path C:\Windows\debug\bqchost.exe
- Size 69KB
- SHA256 74a69e8d5403ec78191850b0d9731236dfefabae2d8c2f781745558bccbeae4d
- MD5 25dd0e058c6a95e1f956a295b7d23e79
- SHA1 6ab3f77a7976ac9fd25cf77e0bfc09659f8f1845
- SHA512 6908ace34aea605b2444befb6dbefe5b806aae43f3699ba6c14fa3994074c31b58e8fe7d582cfa7e0ee6d078a0f54c7d233229f5eb870dfd349755b13f23a47b
- SSDEEP 768:n6yLumOhQkoDBY+4BnJnV5CLUe+Ykf+HI15hzMNl9tPyjf/gQVdPOe:9LunhbYWNPCLUQ/HItWt6b/gQVdPR
- TLSH T192639E12DB548C4ADA24873D4B6A87731EE3CC384BEA0D4BBF4CD95C5D26B406D5E38A
- MD5 SHA1 SHA512 SSDEEP TLSH