Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 02:09
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_436a67332036c52c431d7a6983280f50.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_436a67332036c52c431d7a6983280f50.exe
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Size
664KB
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MD5
436a67332036c52c431d7a6983280f50
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SHA1
e3efd7a20b7eeafb254b8a0168dadad71aea1dfa
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SHA256
5987c71212e26a3a0f825cbcfab52c1e17d5a53616a23a828a7d44a0991a1b5b
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SHA512
fd8ae6092a15672ab5a9be73c71a8c4d3a13885e3ace9ed24cf92b7639b89c39d5891324d1eec761998d26dd678980a391f45b2cc3912e57f29b8dec436752ba
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SSDEEP
12288:rDQNFEyqo3PlzYKXpdqUVTaRGisvrkEBuIlpjn5x:rDQNqo3PlzNoUVTacbvrkCZ/
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 4408 JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe 4212 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x0008000000023cda-3.dat upx behavioral2/memory/4408-4-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4408-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4212-14-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4212-15-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxA98E.tmp JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe -
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 JaffaCakes118_436a67332036c52c431d7a6983280f50.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1323073259" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7A4A6BE7-C7E5-11EF-A4B7-D2BD7E71DA05} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1319947981" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153138" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153138" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442462363" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153138" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1319947981" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe 4212 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1752 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1752 iexplore.exe 1752 iexplore.exe 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4592 wrote to memory of 4408 4592 JaffaCakes118_436a67332036c52c431d7a6983280f50.exe 84 PID 4592 wrote to memory of 4408 4592 JaffaCakes118_436a67332036c52c431d7a6983280f50.exe 84 PID 4592 wrote to memory of 4408 4592 JaffaCakes118_436a67332036c52c431d7a6983280f50.exe 84 PID 4408 wrote to memory of 4212 4408 JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe 85 PID 4408 wrote to memory of 4212 4408 JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe 85 PID 4408 wrote to memory of 4212 4408 JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe 85 PID 4212 wrote to memory of 1752 4212 DesktopLayer.exe 86 PID 4212 wrote to memory of 1752 4212 DesktopLayer.exe 86 PID 1752 wrote to memory of 4616 1752 iexplore.exe 87 PID 1752 wrote to memory of 4616 1752 iexplore.exe 87 PID 1752 wrote to memory of 4616 1752 iexplore.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436a67332036c52c431d7a6983280f50.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436a67332036c52c431d7a6983280f50.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_436a67332036c52c431d7a6983280f50Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1752 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4616
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Network
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Remote address:8.8.8.8:53Requestapi.bing.comIN AResponseapi.bing.comIN CNAMEapi-bing-com.e-0001.e-msedge.netapi-bing-com.e-0001.e-msedge.netIN CNAMEe-0001.e-msedge.nete-0001.e-msedge.netIN A13.107.5.80
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Remote address:8.8.8.8:53Request154.239.44.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request23.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request53.210.109.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request161.19.199.152.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request171.39.242.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request140.71.91.104.in-addr.arpaIN PTRResponse140.71.91.104.in-addr.arpaIN PTRa104-91-71-140deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request200.197.79.204.in-addr.arpaIN PTRResponse200.197.79.204.in-addr.arpaIN PTRa-0001a-msedgenet
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Remote address:8.8.8.8:53Request48.229.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request83.210.23.2.in-addr.arpaIN PTRResponse83.210.23.2.in-addr.arpaIN PTRa2-23-210-83deploystaticakamaitechnologiescom
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58 B 134 B 1 1
DNS Request
api.bing.com
DNS Response
13.107.5.80
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72 B 158 B 1 1
DNS Request
154.239.44.20.in-addr.arpa
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72 B 158 B 1 1
DNS Request
23.159.190.20.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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72 B 158 B 1 1
DNS Request
53.210.109.20.in-addr.arpa
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73 B 144 B 1 1
DNS Request
161.19.199.152.in-addr.arpa
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72 B 158 B 1 1
DNS Request
171.39.242.20.in-addr.arpa
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72 B 137 B 1 1
DNS Request
140.71.91.104.in-addr.arpa
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73 B 106 B 1 1
DNS Request
200.197.79.204.in-addr.arpa
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72 B 158 B 1 1
DNS Request
48.229.111.52.in-addr.arpa
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70 B 133 B 1 1
DNS Request
83.210.23.2.in-addr.arpa
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
MD5febff5e5b64433316ee5f116c5c14309
SHA155a533777edeed0d18304f073d59d5ca1e5c7737
SHA256888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4
SHA512cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD50224f18cdf94d794097e7f0d2a15c2f1
SHA195fc8820249ac3a78b3fff4beaddc0ef4c5f05d0
SHA2561cedd10239e9a436e5546b80a7eb94376173a9e7c96ff4ac994ecf76a92838c3
SHA512f2485417cb3c482c53c465d4125dcd425fe1aa91a23d86c0755707dd72db0ac5de1dedfd27bb7fefda962adf1469eb591c1417b65e929c4fef1c7545703ed752
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a