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Analysis
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max time kernel
143s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2024, 20:42
Static task
static1
Behavioral task
behavioral1
Sample
252a53eb823139352a705180bedc5a37_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
252a53eb823139352a705180bedc5a37_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
252a53eb823139352a705180bedc5a37_JaffaCakes118.exe
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Size
429KB
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MD5
252a53eb823139352a705180bedc5a37
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SHA1
65e72461f8b718ce73bd7a635f8bea5a9bff957f
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SHA256
ad14a052c2469e5886bf81e18da365ae954411a90f30b538fe33b08eef94f9a7
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SHA512
0f62b3c1522d63137f5ad81b3ddea8c5e3e274fdc21863051c70d930d59e1d5d0ac9e808e63dfa24633f988ea655fc95ab6c2b173d93fd44042a03a1fff42b2d
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SSDEEP
6144:QXEMSTj/tYm+zoED78n9vOg4N45R44Oel7QAA3CkKXBBeng2HgFUwrnKbZ:1Ff/6z0Oh45C4OelsQPGHgLnS
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 22 4696 rundll32.exe -
resource yara_rule behavioral2/files/0x000f000000023a3d-8.dat aspack_v212_v242 -
Loads dropped DLL 6 IoCs
pid Process 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 4696 rundll32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{c11ff6e1-a624-da2a-0cda-949ebce569c0} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Windows\\system32\\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll\" DllStart" 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{c11ff6e1-a624-da2a-0cda-949ebce569c0} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Windows\\system32\\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll\" DllStart" rundll32.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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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e088ea46-343d-e71b-3c35-85eacb4ac49d} 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e088ea46-343d-e71b-3c35-85eacb4ac49d}\NoExplorer = "\"\"" 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe File created C:\Windows\SysWOW64\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll-uninst.exe 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe -
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 4 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 ielowutil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DD224649-85E6-11EF-AF2A-4E8E92B54298} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ca04ef73b7c6924d879f23eb66eabf8a00000000020000000000106600000001000020000000f8b94681bed3632cd6cdc9a6b7c16835a9f2e292afd7dd663748dabeffcb7a9b000000000e8000000002000020000000382c7f27a20df2aea2ed383fdd6a73e7a40b56d09b6ba30a13cb5a54b77c3ae5200000004e294627a2c6e6c4fccceed596212bfaa05eae1a058fb2b429b612ede71acf4b40000000b5bab749d9cfab52147222a8e3a4e97b73c571319642e8327a80eb45bcc9b2f6df98a24014215718e584e5afb97a6a75ffca6d670daa340baf5c8704e1b94fe3 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2992167917" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31136243" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "435206181" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2994355443" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2994355443" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31136243" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ca04ef73b7c6924d879f23eb66eabf8a000000000200000000001066000000010000200000006169f45b6938b4541a1c859cd1a7900f2fbd90c2f0c1a431f92da208f6c36402000000000e80000000020000200000009bfd8667cbd5759815d6282fca411ae7101b0225e117635c3edadfc13513f1ac2000000079f00330ef48668eaa1aa9cb7eab105a54dedc2dbad3588b819468f2fea5839a400000008212a28029d00ed2414f25db1350f2aeb03271347521538834213bba9a8e19b29838c2f585517f4bb42caa58bd29b67c5a675ef3514ecca51ecb39118fef51af iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60ae45b2f319db01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31136243" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70f340b2f319db01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2992167917" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31136243" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e088ea46-343d-e71b-3c35-85eacb4ac49d}\InProcServer32\ = "C:\\Windows\\SysWow64\\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll" 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e088ea46-343d-e71b-3c35-85eacb4ac49d}\InProcServer32\ThreadingModel = "Apartment" 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e088ea46-343d-e71b-3c35-85eacb4ac49d} 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e088ea46-343d-e71b-3c35-85eacb4ac49d}\ = "gooochi browser optimizer" 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e088ea46-343d-e71b-3c35-85eacb4ac49d}\InProcServer32 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1212 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1212 iexplore.exe 1212 iexplore.exe 2896 IEXPLORE.EXE 2896 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4420 wrote to memory of 4696 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 86 PID 4420 wrote to memory of 4696 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 86 PID 4420 wrote to memory of 4696 4420 252a53eb823139352a705180bedc5a37_JaffaCakes118.exe 86 PID 1212 wrote to memory of 2896 1212 iexplore.exe 89 PID 1212 wrote to memory of 2896 1212 iexplore.exe 89 PID 1212 wrote to memory of 2896 1212 iexplore.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\252a53eb823139352a705180bedc5a37_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\252a53eb823139352a705180bedc5a37_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\{cc46a3bf-ba30-c094-d723-34b6b765fb84}.dll" DllStart2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4696
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵
- System Location Discovery: System Language Discovery
PID:3036
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:17410 /prefetch:22⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Browser Extensions
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
14KB
MD52bb3a180348b2b3d155cd12b9eda0712
SHA11f3e94f5457502ce59aee891275288f88739f367
SHA256944bc80b57670eb187bdd59250f77af6ab657a2cb6ede3621139d8c04d57eec3
SHA512d555b890910a8a729e37cd69fb612d5d7efe76f2821995b3c7b532d663d5993688692d8d5be6f97f683daaaf02683a134c69f9ae6710a7e005dc7cd47cce0c55
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Filesize
10KB
MD50bbcbaee7b703ebd55cd8658a0e8dcd3
SHA16ed448b8b67cea36eb45bfbc67fed9a6da9623e4
SHA256e67277ecc4f6c7beb3c7e586ce508677269db056c7541eacfecf6c719f559da6
SHA512604c524bd00313f6411cc9878d5c9a1db77588049feeb5bb02c971df44f8becbd18d251cc20e551b878173eb2a78be61f31352769597c6334cffc0bc2326b008
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Filesize
362KB
MD5143082133f945ac135a939e885c410b9
SHA17f3c3839b4a1ca4c0fcbb3592d87fab2c14908e2
SHA25611cee79ceafa393090ee9f1007e60ad172d6069e0032aa7bf6b014fd7a5a3a1c
SHA5122dbda15281cb8b5f917cf18435bb41ad244a754e69e6a3aaaaec3351806a03359286f89f80fa369d6976168843ab2aa7f58158c3ec569eefee03d0909f78ed67