Analysis
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max time kernel
144s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
20/06/2024, 10:01
Static task
static1
Behavioral task
behavioral1
Sample
04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe
Resource
win7-20240419-en
General
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Target
04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe
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Size
87KB
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MD5
04fb04161dd481a33f081cd93520615c
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SHA1
1268c61e89ec85dd0848d5f7c721de3cdc2cfea7
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SHA256
2a3be77b93ff0d06eaae843b581676156bf29b40dc188a6499107f4455f5b5ca
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SHA512
37c5e1bd12dee380a0e9012640082a6157ad88d5303f3ee26497582f96ecdde508caf66721165bbfa62467661b2aa4f5f75de4a575451c96461b22d807c85d3b
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SSDEEP
1536:R7yRvcyDA+2YTB9scpfhUlHJBfzvZ4ZUvff66kdnISJkk9gUO6CO/Urf1:Scy/l9scwlpdZPX66SIL/6COi1
Malware Config
Signatures
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Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" alg.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" alg.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools alg.exe -
Deletes itself 1 IoCs
pid Process 1960 alg.exe -
Executes dropped EXE 1 IoCs
pid Process 1960 alg.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" alg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" alg.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat alg.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\alg.exe 04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe File opened for modification C:\Windows\alg.exe 04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe -
Modifies data under HKEY_USERS 6 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings alg.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections alg.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 alg.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings alg.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" alg.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 alg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\04fb04161dd481a33f081cd93520615c_JaffaCakes118.exe"1⤵
- Looks for VMWare Tools registry key
- Drops file in Windows directory
PID:2392
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C:\Windows\alg.exe"C:\Windows\alg.exe"1⤵
- Modifies security service
- Windows security bypass
- Looks for VMWare Tools registry key
- Deletes itself
- Executes dropped EXE
- Windows security modification
- 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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Filesize
87KB
MD504fb04161dd481a33f081cd93520615c
SHA11268c61e89ec85dd0848d5f7c721de3cdc2cfea7
SHA2562a3be77b93ff0d06eaae843b581676156bf29b40dc188a6499107f4455f5b5ca
SHA51237c5e1bd12dee380a0e9012640082a6157ad88d5303f3ee26497582f96ecdde508caf66721165bbfa62467661b2aa4f5f75de4a575451c96461b22d807c85d3b