Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
25-03-2024 08:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
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Size
5.0MB
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MD5
4ffb8cdcaa2ec8dccae14673264f97a4
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SHA1
a74591dc65f7aa62d4b8df8bcca6771f5034cc3e
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SHA256
b5b5f7250f80cdf78f18bbb2a83d6f96de80927b7dc0806fa6cb37bda4bb0b51
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SHA512
bf6e4790c6b4ef9c3a16318783d7fb30f323ac9d2b60831c784289975ae904aae5f9a398264c89eaced2e4c55839275abdc82b9b6075ca26c0ba49f7f51a180e
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SSDEEP
6144:GE9l9ynqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8DLq1eNV:GebLgPlu+QhMbaIMu7L5N
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3313) 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
Processes:
tasksche.exepid process 2568 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 System32 directory 1 IoCs
Processes:
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe -
Drops file in Windows directory 1 IoCs
Processes:
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecisionTime = e0f91fb98d7eda01 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\7a-fb-28-8e-e0-81 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0131000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecisionReason = "1" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecisionTime = e0f91fb98d7eda01 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecision = "0" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadNetworkName = "Network 3" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecision = "0" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB} 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecisionReason = "1" 2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe"1⤵
- Drops file in Windows directory
PID:2220 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2568
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C:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-03-25_4ffb8cdcaa2ec8dccae14673264f97a4_wannacry.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2316
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5014c8265bc9bae2652c64da157d88892
SHA10d780a424127b6b4cb078c2be9ec16356b43c3e7
SHA256102553a19a3ce933ac3abd9ce6e8293c70468680199f36a00dac341a10d6b3a7
SHA5129bc1ec02f9c472c9345f185bd82677b0cdba1abe2d92d91594f4e4126f38072609190328ee84776b22ca09424d8878e265e3b5d6cff340266bda7160f9ba69d4