Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2024 10:54
Static task
static1
Behavioral task
behavioral1
Sample
fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe
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Size
1.1MB
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MD5
fc25a19133950e57646254564f0fb92f
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SHA1
6457438da1a760c13690d585911007cbf5dc1fdc
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SHA256
1749df3fa076d97e94dae28b5c7a2a834cab68cc58adb063f46a12f198cb2ac4
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SHA512
c6dce70e85d7456768b422c7375e6781ff0484eafba54287b24a0aa2a7430b4f8558fe19afb6798a055ee5148a9438e590faf9729e77b5a5d3f8790a7a8c4d5a
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SSDEEP
12288:XsM+aTA3c+FK1vrlVYBVignBtZnfVq4cz1i5pP9kPQi:8V4W8hqBYgnBLfVqx1Wjkv
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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{16A48B6F-7D88-11EF-939B-EE255DF7DB21} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3943100493" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134100" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434285867" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3943100493" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\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-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31134100" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{37A55490-FBB8-4F80-A677-5CFAA3437982}\SuggestionsURL = "https://ie.search.yahoo.com/os?appid=ie8&command={searchTerms}" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPageShow = "1" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31134100" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{37A55490-FBB8-4F80-A677-5CFAA3437982} fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{37A55490-FBB8-4F80-A677-5CFAA3437982}\DisplayName = "Search" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\ fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{37A55490-FBB8-4F80-A677-5CFAA3437982}\URL = "http://search.searchyff.com/s?source=googledisplay-bb8&uid=935c7949-85d1-490a-98f6-9729aa1725f9&uc=20180109&ap=appfocus5&i_id=forms__1.30&query={searchTerms}" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{37A55490-FBB8-4F80-A677-5CFAA3437982}" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3945600304" IEXPLORE.EXE -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://search.searchyff.com/?source=googledisplay-bb8&uid=935c7949-85d1-490a-98f6-9729aa1725f9&uc=20180109&ap=appfocus5&i_id=forms__1.30" fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4404 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4404 IEXPLORE.EXE 4404 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE 3924 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1672 wrote to memory of 4404 1672 fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe 82 PID 1672 wrote to memory of 4404 1672 fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe 82 PID 4404 wrote to memory of 3924 4404 IEXPLORE.EXE 84 PID 4404 wrote to memory of 3924 4404 IEXPLORE.EXE 84 PID 4404 wrote to memory of 3924 4404 IEXPLORE.EXE 84
Processes
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C:\Users\Admin\AppData\Local\Temp\fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fc25a19133950e57646254564f0fb92f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" -noframemerging2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4404 CREDAT:17410 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5e81809e35464c6a8ccffb00fa7424f8a
SHA1aca926d8ab54a834b33db7c5fb4355287d2cd2a7
SHA25601c74bfb667bcffad25fd994026261a336a8e8dcf85ad629a75c87e838fcf744
SHA512d807413cf4356a8861ae6bbfe5fd2792bdb5b81ec9fe64f6d567e505d001c847d8eeb4bc730599a5428afcf561d35ddf022d1d3079036d65a0e382d4737d5c28
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5989a19040df91dab076babd307731b0d
SHA1b0853e3a05282dc6fb483b902e2326326a136d80
SHA2564fd2345d083c8eb7ebda08bb4dc6543601c11309ec153949caab0d12002bdb1f
SHA5123176172888cb020ff238e0b9811bfdd3ab97daa407c10b013030898942ae5d19aead61a6a13f001929e9a33bc8dc9a5ab470db4602c07abb41e1bf8faa2394f8
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee