Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
03/07/2024, 16:04
Behavioral task
behavioral1
Sample
22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe
Resource
win7-20240611-en
General
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Target
22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe
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Size
40KB
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MD5
22f8a550d0a4c3d1bd13878152c0c070
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SHA1
952cd2133d429e9775fd023ed311da7812ef954a
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SHA256
ed2e9aafde33e6f85c93908b78ba8a794ec52cde0b1caf15795bc6c4113ca292
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SHA512
43e102adfe297924dc9f6a65adeca87616a0774da099552c8d40e6d9c67f794c5c7cecee2e3f62b77d0c6357ec3bd8cca75a18422d1fb19273079c5289e558b8
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SSDEEP
768:xOSR67hDeOkjbMNwqajt1oumXPHrDWGle/oJfNnD2D6zq+sMhftP:FR61en3MNwqajroBDWGlBfNiD6z5FhZ
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" msnrav.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" msnrav.exe -
Deletes itself 1 IoCs
pid Process 2068 msnrav.exe -
Executes dropped EXE 1 IoCs
pid Process 2068 msnrav.exe -
resource yara_rule behavioral1/memory/2208-0-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/files/0x000c0000000132ef-3.dat upx behavioral1/memory/2068-4-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2208-6-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-11-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-12-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-13-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-14-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-15-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-17-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-18-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-19-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-20-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-21-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-22-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-23-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-24-0x0000000000400000-0x0000000000475000-memory.dmp upx behavioral1/memory/2068-25-0x0000000000400000-0x0000000000475000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" msnrav.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" msnrav.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\F9QU2JYH.txt msnrav.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\F9QU2JYH.txt msnrav.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\85B0WFG3.txt msnrav.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\85B0WFG3.txt msnrav.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat msnrav.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\msnrav.exe 22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe File opened for modification C:\Windows\system\msnrav.exe 22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe -
Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890}\WpadNetworkName = "Network 3" msnrav.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890}\8e-43-21-9b-eb-44 msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" msnrav.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0062000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890}\WpadDecision = "0" msnrav.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ msnrav.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-43-21-9b-eb-44 msnrav.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" msnrav.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" msnrav.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890} msnrav.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890}\WpadDecisionTime = d074346464cdda01 msnrav.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 msnrav.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" msnrav.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix msnrav.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A0657A05-08DF-4F4D-BEC6-53E08658A890}\WpadDecisionReason = "1" msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-43-21-9b-eb-44\WpadDecisionReason = "1" msnrav.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings msnrav.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections msnrav.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 msnrav.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-43-21-9b-eb-44\WpadDecisionTime = d074346464cdda01 msnrav.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-43-21-9b-eb-44\WpadDecision = "0" msnrav.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\22f8a550d0a4c3d1bd13878152c0c070_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
PID:2208
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C:\Windows\system\msnrav.exe"C:\Windows\system\msnrav.exe"1⤵
- Modifies security service
- Windows security bypass
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2068
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD522f8a550d0a4c3d1bd13878152c0c070
SHA1952cd2133d429e9775fd023ed311da7812ef954a
SHA256ed2e9aafde33e6f85c93908b78ba8a794ec52cde0b1caf15795bc6c4113ca292
SHA51243e102adfe297924dc9f6a65adeca87616a0774da099552c8d40e6d9c67f794c5c7cecee2e3f62b77d0c6357ec3bd8cca75a18422d1fb19273079c5289e558b8