Analysis
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max time kernel
93s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2025 00:34
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe
Resource
win7-20240729-en
General
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Target
JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe
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Size
95KB
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MD5
b89c85aea5f92a84514d41d26abbcb9c
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SHA1
406e59f70c27bc452c5d2df3815208cedc0d78cf
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SHA256
271df267064fc1554f7f53d7ad430c1c5de7600e3957f82d0347b6341bc7e9b5
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SHA512
518f9a852587bba34d71e4c27991e18d7168fb974dab746b66bdfa2410aefba610ff7ec262f9838b8271811be3beb1c536c265b13f84523f559fdd1cad7857d4
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SSDEEP
768:Q06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:eR0vxn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 2552 WaterMark.exe -
resource yara_rule behavioral2/memory/736-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-2-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/736-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2552-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2552-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2552-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2552-35-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2552-39-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe File opened for modification C:\Program Files (x86)\Microsoft\pxBC3B.tmp JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 8 2324 WerFault.exe 84 -
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 WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156746" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156746" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "170976157" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "173163923" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156746" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156746" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "174570181" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{35AD1F54-D5FD-11EF-91C3-FA9F886F8D04} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{35B1E4D9-D5FD-11EF-91C3-FA9F886F8D04} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444011877" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "175820590" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe 2552 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2552 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4212 iexplore.exe 4704 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4704 iexplore.exe 4704 iexplore.exe 4212 iexplore.exe 4212 iexplore.exe 948 IEXPLORE.EXE 948 IEXPLORE.EXE 5064 IEXPLORE.EXE 5064 IEXPLORE.EXE 948 IEXPLORE.EXE 948 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 736 JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe 2552 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 736 wrote to memory of 2552 736 JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe 83 PID 736 wrote to memory of 2552 736 JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe 83 PID 736 wrote to memory of 2552 736 JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe 83 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 2324 2552 WaterMark.exe 84 PID 2552 wrote to memory of 4704 2552 WaterMark.exe 89 PID 2552 wrote to memory of 4704 2552 WaterMark.exe 89 PID 2552 wrote to memory of 4212 2552 WaterMark.exe 90 PID 2552 wrote to memory of 4212 2552 WaterMark.exe 90 PID 4704 wrote to memory of 5064 4704 iexplore.exe 93 PID 4704 wrote to memory of 5064 4704 iexplore.exe 93 PID 4704 wrote to memory of 5064 4704 iexplore.exe 93 PID 4212 wrote to memory of 948 4212 iexplore.exe 92 PID 4212 wrote to memory of 948 4212 iexplore.exe 92 PID 4212 wrote to memory of 948 4212 iexplore.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b89c85aea5f92a84514d41d26abbcb9c.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 2044⤵
- Program crash
PID:8
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4704 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5064
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4212 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2324 -ip 23241⤵PID:2316
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
95KB
MD5b89c85aea5f92a84514d41d26abbcb9c
SHA1406e59f70c27bc452c5d2df3815208cedc0d78cf
SHA256271df267064fc1554f7f53d7ad430c1c5de7600e3957f82d0347b6341bc7e9b5
SHA512518f9a852587bba34d71e4c27991e18d7168fb974dab746b66bdfa2410aefba610ff7ec262f9838b8271811be3beb1c536c265b13f84523f559fdd1cad7857d4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD54363732b094e06ea613be8ca268f5460
SHA1ad4d6ca8f2362a24800a1f752f99d7c55c0ce862
SHA2560bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d
SHA512b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5c14b7e0b98bd1065299ce449955cf956
SHA191c349d9a8bda330540bd5fd2ea2a1359735fdd8
SHA256deb00405a77d8484d0ec00d7bf2ca6de472fb6417b78a956a356a468e9facc46
SHA512683c9e7e662c0b340717068ee7696e3a3d850a602acf3bbafb8c862169eb64593bd529e0a59b595da8e73e73ac459e069e5541b88c17acaf2477757595740333
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{35AD1F54-D5FD-11EF-91C3-FA9F886F8D04}.dat
Filesize3KB
MD57e7f6e402b887381cd1d6123320a3297
SHA144adbfd66ee53d39db71cb82e6687b79335563b3
SHA256493acf42d6e25e5f1526e1df392db8df26aa3e76457ab70badb474e29b3d5a67
SHA5124e88be4a87cbc0fca7d2c11b398b3a96de53ad90ce3587cf596b54bc7093507c9185101a482a198b966856cd6df4eb50b405f9ee3bc6579e020e87ca0d14e35b
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{35B1E4D9-D5FD-11EF-91C3-FA9F886F8D04}.dat
Filesize5KB
MD5c139e0a3be9ad16b4b51a4e54b58b45c
SHA1973ac8f45aa15f1d0713250faa8543f5cbbcf7d9
SHA2560938c2fe71eb3c551688bd228a8d49666a0908c40296494625f7620234d09094
SHA512549743338ed71a34eb1874ccdb64ca65d85aea14a788144257e47db5ffcd0ed7a1d02218bc537e92c6ba9a3a51fc65078d04d81ef5ca7bf00ac4a65974ad33fc
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee