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Analysis
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max time kernel
97s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/09/2024, 13:46
Behavioral task
behavioral1
Sample
fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe
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Size
8KB
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MD5
fea77c090ec7b99389bac2d303a65c89
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SHA1
12a95751ba64d051b22043c8c4fc73e8ada08398
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SHA256
629b372151bb4d904de33244a5452d76d9d427847c2b287cc6d6f9c9554b81ad
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SHA512
8c3ef427880bd05885069349bdf67d3ff540b20a95d13ecbf7d4dacc3d0d88bdd3eb216aba520f0e9fc5bb11e5d5c0d91214692a2a53eeefe59a27bf135e6dc1
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SSDEEP
96:ziqFuUZ5AOPawy5/gKATMpxfNy2OM3uwMh/eB1eJj5l5rh4pi6fINYaqkGObt4Z:WqB/Aaby5/gApxlPNLaVdh4YtJJtbY
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\down = "fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe" fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/4976-0-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/4976-4-0x0000000000400000-0x0000000000409000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "168395096" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434382555" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3561F956-7E69-11EF-98CC-66FD5BE5AD11} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31134326" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "163864309" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "163864309" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134326" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134326" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3180 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3180 iexplore.exe 3180 iexplore.exe 4244 IEXPLORE.EXE 4244 IEXPLORE.EXE 4244 IEXPLORE.EXE 4244 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4976 wrote to memory of 3180 4976 fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe 82 PID 4976 wrote to memory of 3180 4976 fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe 82 PID 3180 wrote to memory of 4244 3180 iexplore.exe 83 PID 3180 wrote to memory of 4244 3180 iexplore.exe 83 PID 3180 wrote to memory of 4244 3180 iexplore.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3180 CREDAT:17410 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5d08423737246250d0c3c50ea390cd1c4
SHA15b48dab1d90ac5357dafd6ad8b6990da92aaf75a
SHA2567714ff60052145ab9a2bdd947fbbec0572c02389256b2db314f2670764862789
SHA51267f5c7e7078f4fb5216b91b31e6b38c5497324413f8fc79cd662cad952a808453289b3ef2226fa377812bfc93697f11e5d6e064dc0e5f80b1a6b15dc516eb10e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5cef4ea0ce7b56ec625b5d27d679b3ce7
SHA1193adda8f6c6c06148768999a3de1a6f752c07fc
SHA2565c6fcbb3ec372a96abb0ef208d64ed792f72d7195d71188c53ea1adfd8254933
SHA512dcb7a635e847796abee079c856717e7b5a7c414fbd503bb102ea34c60031db33fc3767b895f4abc888e817ea8ff35c51e8f8af4f759982e17d25ef580143050c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee