Analysis
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max time kernel
77s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2024 13:41
Static task
static1
Behavioral task
behavioral1
Sample
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe
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Size
1.1MB
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MD5
a5d6a3d55f6aec29a359cfbb12654d10
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SHA1
54388c7aa0cd8cc2226a669ac0c59b6ebde3e762
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SHA256
242b022e42435fdbba932207488fa3bd5cf10914f33052354a411321f3425e54
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SHA512
e5d4180c84aae8730245ce7ede54d2aa04192fb6edc3bcc5bc82b80d9af72c0aea48e94a22e8d1be554e30b450f20a5934880b77d4a433c6acfb170c39fd6ad6
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SSDEEP
12288:vsM+aTA3c+FK1vrlVYBVignBtZnfVq4cz1i5pP9kPQK:UV4W8hqBYgnBLfVqx1Wjk3
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.
Processes:
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation a5d6a3d55f6aec29a359cfbb12654d10_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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Processes:
IEXPLORE.EXEa5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exeIEXPLORE.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424447978" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{C4C903E7-A422-47E6-9F69-E2B196334127}\DisplayName = "Search" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPageShow = "1" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{C4C903E7-A422-47E6-9F69-E2B196334127} a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{C4C903E7-A422-47E6-9F69-E2B196334127}\URL = "http://search.searchtmpn.com/s?source=%7Bparam%7D-bb8&uid=a5067efa-fd61-44d8-9836-a4fe7847a3ba&uc=20180118&ap=appfocus84&i_id=packages__1.30&query={searchTerms}" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{C4C903E7-A422-47E6-9F69-E2B196334127}" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 Set value (data) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\ a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{C4C903E7-A422-47E6-9F69-E2B196334127}\SuggestionsURL = "https://ie.search.yahoo.com/os?appid=ie8&command={searchTerms}" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A954E15E-298A-11EF-A084-527CD1CC5F27} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
Processes:
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://search.searchtmpn.com/?source=%7Bparam%7D-bb8&uid=a5067efa-fd61-44d8-9836-a4fe7847a3ba&uc=20180118&ap=appfocus84&i_id=packages__1.30" a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
IEXPLORE.EXEpid process 3440 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
IEXPLORE.EXEIEXPLORE.EXEpid process 3440 IEXPLORE.EXE 3440 IEXPLORE.EXE 2936 IEXPLORE.EXE 2936 IEXPLORE.EXE 2936 IEXPLORE.EXE 2936 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exeIEXPLORE.EXEdescription pid process target process PID 368 wrote to memory of 3440 368 a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe IEXPLORE.EXE PID 368 wrote to memory of 3440 368 a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe IEXPLORE.EXE PID 3440 wrote to memory of 2936 3440 IEXPLORE.EXE IEXPLORE.EXE PID 3440 wrote to memory of 2936 3440 IEXPLORE.EXE IEXPLORE.EXE PID 3440 wrote to memory of 2936 3440 IEXPLORE.EXE IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a5d6a3d55f6aec29a359cfbb12654d10_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:368 -
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:3440 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3440 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2936