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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
22/01/2025, 12:29
General
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Target
JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe
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Size
149KB
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MD5
0da24e9a4fe58ac5beb38be8ccea52fd
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SHA1
a6d12e8ad8e3eead695c490913d845f5e586df68
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SHA256
15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9
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SHA512
8dcdcfcf1b13dcf11bed9dc0040fb832df7f4c154a34a4f88e0ee38c1c38ba7c357397c711797644ea9bd525d081987521d1cf001b96a96026845c87442c7237
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SSDEEP
3072:RROzoTq0+RO7IwnYZnSDADeak7dJHB/A9ouUljtQnjPtwi3gSO8EeL:fkdNwBGnSsQLH5A6uzPtw/j
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 628 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe 1256 DesktopLayer.exe -
resource yara_rule behavioral1/memory/2128-0-0x0000000000400000-0x0000000000446000-memory.dmp upx behavioral1/files/0x000c000000023b54-3.dat upx behavioral1/memory/628-4-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/628-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/1256-12-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/1256-16-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/1256-14-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2128-19-0x0000000000400000-0x0000000000446000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px99EE.tmp JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3192 2128 WerFault.exe 82 -
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_0da24e9a4fe58ac5beb38be8ccea52fd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8A1D7CE3-D8BC-11EF-AEE2-EE81E66BE9E9} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157449" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1590126568" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157449" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1586376480" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444313950" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe 1256 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3952 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3952 iexplore.exe 3952 iexplore.exe 404 IEXPLORE.EXE 404 IEXPLORE.EXE 404 IEXPLORE.EXE 404 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2128 wrote to memory of 628 2128 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe 83 PID 2128 wrote to memory of 628 2128 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe 83 PID 2128 wrote to memory of 628 2128 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe 83 PID 628 wrote to memory of 1256 628 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe 85 PID 628 wrote to memory of 1256 628 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe 85 PID 628 wrote to memory of 1256 628 JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe 85 PID 1256 wrote to memory of 3952 1256 DesktopLayer.exe 86 PID 1256 wrote to memory of 3952 1256 DesktopLayer.exe 86 PID 3952 wrote to memory of 404 3952 iexplore.exe 88 PID 3952 wrote to memory of 404 3952 iexplore.exe 88 PID 3952 wrote to memory of 404 3952 iexplore.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fd.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:628 -
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:1256 -
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:3952 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3952 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 2962⤵
- Program crash
PID:3192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 21281⤵PID:3240
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD52c48c73220d62a8faffe599e95896274
SHA1452cd4222360fe7e881055d815ec65a2bbac564b
SHA25635a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967
SHA5126547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD54ba9eb7dc683978fc5dc8d4208e78bf6
SHA1db3b4853ecc059ae1b65f03fc8e12ed8841e0699
SHA2568aa96f59ef662c055d6fc6656f0909899bbecb858e6e0eecddcb64f005c15e70
SHA512e54b01c5bd2ff0a92d446bfadd097ba54c8236b0b751468008335b2743e0415c50eaa97be6ae4818aac82d16b44616fda218c467d68ea2bb04a62fdee71cac87
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a