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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 03:42
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
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Size
3.6MB
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MD5
39ba1ea673d776a78c91eec3a3f21540
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SHA1
012139f655c66f32c09fd9d897f772c31746306f
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SHA256
ab6c25477124e39bbc23f752d98eaeffeaeef218be4a07453821be81fc103263
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SHA512
4d6cdd6a7d085c12ecb594c22146c33ac48f25b0287635e50ffc54c7689732243bb03c7611fdbd39278df10f4be56913cb502812d3ed5ba16f461e2948a4c9f5
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SSDEEP
98304:XDqPoBhz1scSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1scxk3ZAEUadzR8yc4HI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Contacts a large (3196) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
pid Process 4528 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4676 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:4528
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C:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2025-01-27_39ba1ea673d776a78c91eec3a3f21540_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4428
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5e9203570b73dfb448833f759ee0917f4
SHA1ce6bfa8407948e9d39b24a1e548505aec4f138a7
SHA256b1149e1f2c8418144d0e79d4a14e85169b8478d2ac4e7baf72712364aec3e4b3
SHA51244e4576e73ba41635d756d6352e7623a86b6e5cc67475b544b0fa99a3090ac36a2525e3484ab25fd1539d2674162e4c3cbcaf1c112c97d329f214b828b93d179