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Analysis
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max time kernel
146s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/04/2024, 18:25
Static task
static1
Behavioral task
behavioral1
Sample
e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe
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Size
43KB
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MD5
e592d49574997f539f7c2a625cb5f8f4
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SHA1
3aca853c85b048988f5a6f8c8bf742b42c751e0a
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SHA256
2795fe0cd337d04014c0174166a3528a955439fe3fbd8d054637f8e6e73fb2ff
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SHA512
740f9445b7816191a73a996d24e047969996adf21a0050bd3d2d52fd9299b5ce992e282b407e71eb17671d8cf7063856313b2d040139790ec10232eb3ecac4fb
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SSDEEP
768:j6eLfhoEXniM3Nu3+7AzdESFu/qa0G9pSCA5tyaiCcLiIWC:jlzD9Q/z5Fu/qXASVsPRW
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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winwca32.rom,nsORun" e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\winwca32.rom e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\winwca32.rom e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\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 (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "418019572" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419279328" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4428AC36-F50C-11EE-B09F-7A73248FA209} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "417548191" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31099161" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31099161" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "422859870" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31099161" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "422859870" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31099161" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2476 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2476 iexplore.exe 2476 iexplore.exe 1796 IEXPLORE.EXE 1796 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2364 wrote to memory of 4600 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 88 PID 2364 wrote to memory of 4600 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 88 PID 2364 wrote to memory of 4600 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 88 PID 4600 wrote to memory of 2476 4600 cmd.exe 90 PID 4600 wrote to memory of 2476 4600 cmd.exe 90 PID 2476 wrote to memory of 1796 2476 iexplore.exe 92 PID 2476 wrote to memory of 1796 2476 iexplore.exe 92 PID 2476 wrote to memory of 1796 2476 iexplore.exe 92 PID 2364 wrote to memory of 2476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 90 PID 2364 wrote to memory of 2476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 90 PID 2364 wrote to memory of 2476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 90 PID 2364 wrote to memory of 2476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 90 PID 2364 wrote to memory of 3692 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 93 PID 2364 wrote to memory of 3692 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 93 PID 2364 wrote to memory of 3692 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 93 PID 2364 wrote to memory of 4476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 94 PID 2364 wrote to memory of 4476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 94 PID 2364 wrote to memory of 4476 2364 e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2476 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1796
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\tweB7D6.bat"2⤵PID:3692
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\e592d49574997f539f7c2a625cb5f8f4_JaffaCakes118.bat"2⤵PID:4476
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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
MD58f3eb06776d4e1dfe1e742cb70e22357
SHA15ab03e56d3cfe9951e9598dd72ff258065253672
SHA256bdb9f9d35fdac68cfe4a2f615e01d10dc89baec837fe7515b70a6cfedb27d87b
SHA512450c5dccfbe02ac221b9b05b7f1af43ad9c83701120f8134dca66c03c9e20e38fedd76a0e62a47943044ebb00de338fa001ab662481c12ed61902b9f838c6a27
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD59cceaad7535d15023bee0d2a45841a63
SHA1630381682cead6e0b8723f0d37588cb796515b7a
SHA256a123fa730e875bd81630fdafcb9a956d438693a2c8de66f0da2f95adb735c685
SHA512e26aa714d119c32f6c8f1465e0e7f1238a35f471d6946484fabe40ff8181b76f76ba638cbf703a563e5ac5d9b8f0275f97982acd9655c4aebe9bec16200abf53
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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
305B
MD522b4da4bb3ec91eefaec419350d18b7f
SHA1d777414397a18f00d875d5556314d56ca305aeb2
SHA2560d6c4cd95c947a0e6ab7107b30844498df39e739fcfc082782446e9aabd532e0
SHA512428e16ecb74182282022c41e1c3169eafd75a74d84d82eff1357442625301e4fb74b0a6fc618696aba1e4a294f8be7ca7b58b3d12725c9614ab6e9df9e7be83a
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Filesize
188B
MD5341a77e33cc4e715de34ed6739ff763b
SHA106ed24daeb7f24819e891410ccde5ceff674dd55
SHA256b9893a8573517994aa9f7a00878e331e925cfad1b2bff491da0377cc88e3fae2
SHA5128d26fc897d97b0292928875f12aa47334d7377a2b439e398cdfd8b02e72b4965dc706cc1a2158659b36c4ea750a3586c836cf59cc8836d86ca928d9209ddddd7
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Filesize
32KB
MD54173c8c06f92cfef803809d8688361a7
SHA1a31fbe9f55bce6b8f1ce640fc97572b434ef42f5
SHA2560852005c9d2ed4c0619dee7ac05613e9a5e3b5e6b236db239e11e80ce04232fa
SHA512f811946953d58b87e84bbb08c2a53cc33935795c4ae0b24ddbd97764c4e2dd3704eaf75a61cdb03bd7c22497da8b7d1c6f5aefd68add93bae0058a7dacbdb125