Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 10:56
Static task
static1
Behavioral task
behavioral1
Sample
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
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Size
3.6MB
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MD5
a52d8bc24a91c730365f0cc974e13008
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SHA1
d296048a22e14aa57688a439911c3309b982c0d1
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SHA256
aa2024e1e6e1e024f916cbb67c0f6bb5f17dc6a719cd1ffc4735e3ac1c1031b6
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SHA512
6cc576469c7261fa64bb5da101bd2ede6b599e4cf2ea4a836d62e3b458d57d7e44f56c1241450f61049d963954d059a855018837d261cf7329a257137bb33c2a
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SSDEEP
98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Zkvft6yAVp2HI:yDqPe1Cxcxk3ZAEUadY6yc4HI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3121) 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 2252 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:
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
Processes:
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exedescription ioc process File created C:\WINDOWS\tasksche.exe a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596}\0e-3b-bb-b0-8e-62 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3b-bb-b0-8e-62\WpadDecisionReason = "1" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3b-bb-b0-8e-62\WpadDecisionTime = d032ac5e80bdda01 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596}\WpadDecisionReason = "1" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596} a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596}\WpadDecisionTime = d032ac5e80bdda01 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596}\WpadDecision = "0" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7AB79480-A348-4231-A1D0-1A790C64C596}\WpadNetworkName = "Network 3" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3b-bb-b0-8e-62 a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3b-bb-b0-8e-62\WpadDecision = "0" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
PID:1960 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2252
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C:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\a52d8bc24a91c730365f0cc974e13008_JaffaCakes118.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5adef44f96d562b14e211fbaf4e895a6e
SHA13887507b84d476f20594fdb842f9ebfeed971608
SHA256f59b2f12ed75bf4116d437cb1a8d428f4ec462ff52f0a6ff13124ed60c58255d
SHA512696fdbaff499691e7627b392c314e9958641524cab29338724640938efbb4a01521031d87aab3311e8dd36ff2d309cab1c9aa3833c7fd7452c47801801798842