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Analysis
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max time kernel
176s -
max time network
213s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
25/07/2024, 17:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
Resource
win11-20240709-en
General
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Target
2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe
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Size
2.2MB
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MD5
f448d756bcb064687637869c0f19232a
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SHA1
d0754dbcadf6f25788538a9ae65f36f6c5d2f431
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SHA256
dfc275107808b93c2bb221f6c440685d50f0453c9b851bbbe184c349d65c5b99
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SHA512
f1791bb1926868850426c4c113300d6aec7b393862399865afa612e1598990730e5492e28a63238c0b96ca4d87d5bf61d9c9ae397ff728ae3c607cf7406b376a
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SSDEEP
49152:QnUMSEej/1INRx+TSqTdX1HkQo6SAARdhnvn:QUzz1aRxcSUDk36SAEdhvn
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3527) 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 1360 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 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4712 1360 WerFault.exe 91 -
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 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3408 wrote to memory of 1360 3408 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe 91 PID 3408 wrote to memory of 1360 3408 2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:1360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 83⤵
- Program crash
PID:4712
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C:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-07-25_f448d756bcb064687637869c0f19232a_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1360 -ip 13601⤵PID:1020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5751b7f1a7f7f0fce839ca8bf3d440d86
SHA192bd8c88e7497eae1c837aae38cd3d44e23070bf
SHA256dfb7604aeec464c3ee21b0dd04078d23f6d8a17578cba722e57175a1745ebf2f
SHA5128a50753f8ee84956e732c3dbb776d9a5e9aeca2e79b333a6df64605dc7fbe0661a4d323ed0bd30954924130d7563646c5468d7ddf69b951de0ba6c46a87cc4b4