Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 09:06
Static task
static1
Behavioral task
behavioral1
Sample
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
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Size
5.0MB
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MD5
1bc21aac4d8b2c0896604df7651c5486
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SHA1
ec35fbf7c57ebf44ff23302bbd22f2dd1bb347f0
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SHA256
d76268e10139ce5a3a898a339e5f62bf5f7063e54edb4e0fab14d8bef0f3e3dc
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SHA512
28d8a4be8280bf5643a916a785e878ba90387ee72de2dd92ac3a0e1d62793e18cc6945fb5b28ad341e05e26e0f8ca79dac91a2aa1775861f4f224d955e58d1fc
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SSDEEP
98304:yDqPoBhz1aRxcSUDk36SAaUB3az6OmA3R8yAVp2H:yDqPe1Cxcxk3ZAaUG5R8yc4H
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3317) 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 2516 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:
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
Processes:
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exedescription ioc process File created C:\WINDOWS\tasksche.exe 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7}\8e-44-fa-05-dd-51 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7}\WpadNetworkName = "Network 3" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-44-fa-05-dd-51 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0076000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7} 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7}\WpadDecisionTime = c00cd2be949fda01 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7}\WpadDecision = "0" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-44-fa-05-dd-51\WpadDecision = "0" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{94ABF82B-B9EB-4DA9-BD02-A10312DA8EE7}\WpadDecisionReason = "1" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-44-fa-05-dd-51\WpadDecisionReason = "1" 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-44-fa-05-dd-51\WpadDecisionTime = c00cd2be949fda01 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
PID:2888 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2516
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C:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\1bc21aac4d8b2c0896604df7651c5486_JaffaCakes118.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeFilesize
3.4MB
MD5228df6dcfea22c148fcf85a127098d99
SHA1fbf027333a0b01252cf7abfe10a239dbbf364dc3
SHA256f8f389f52d6ec0b71faa2ffb22e399c48030029f3140fb8235caf7f38ab083f7
SHA5120614e3f0da2880a59ce6dd24021d9f14ebdbad870a4739f8992c19e2188921697c7adb08ff4ab5474b9a6ae1299d206b636c1c875ac5fe5290982efed1e7f497