Analysis
-
max time kernel
92s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 01:52
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe
Resource
win7-20240903-en
General
-
Target
JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe
-
Size
95KB
-
MD5
d8717835d80e0dbd43ea8b56cf2fa4fe
-
SHA1
55ba66261ee707e7754b5cec3edf6e379b02b7d3
-
SHA256
214d873b8b2bdcbe90dde4e83e2490bb2c46e8d87111929bcac1bee366e77f20
-
SHA512
8356d3e1143cf6ac585c5245132b382686fa432406f200f0a9cacb609d188435b43a7fdf62f5b456a6a973a660a784cafa34351f9abfd2f4ef67d69eebc4e031
-
SSDEEP
768:B06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:nR0vxn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
-
Ramnit family
-
Executes dropped EXE 1 IoCs
pid Process 2976 WaterMark.exe -
resource yara_rule behavioral2/memory/3104-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3104-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3104-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2976-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2976-22-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/3104-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3104-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3104-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3104-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2976-34-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2976-36-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe File opened for modification C:\Program Files (x86)\Microsoft\px94CE.tmp JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1696 1624 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 3 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_d8717835d80e0dbd43ea8b56cf2fa4fe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156959" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444103484" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1475330295" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156959" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{82AADB0A-D6D2-11EF-BDBF-EE81E66BE9E9} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1475330295" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe 2976 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2976 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1268 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1268 iexplore.exe 1268 iexplore.exe 64 IEXPLORE.EXE 64 IEXPLORE.EXE 64 IEXPLORE.EXE 64 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 3104 JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe 2976 WaterMark.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3104 wrote to memory of 2976 3104 JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe 83 PID 3104 wrote to memory of 2976 3104 JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe 83 PID 3104 wrote to memory of 2976 3104 JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe 83 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1624 2976 WaterMark.exe 84 PID 2976 wrote to memory of 1268 2976 WaterMark.exe 89 PID 2976 wrote to memory of 1268 2976 WaterMark.exe 89 PID 2976 wrote to memory of 2688 2976 WaterMark.exe 90 PID 2976 wrote to memory of 2688 2976 WaterMark.exe 90 PID 1268 wrote to memory of 64 1268 iexplore.exe 92 PID 1268 wrote to memory of 64 1268 iexplore.exe 92 PID 1268 wrote to memory of 64 1268 iexplore.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8717835d80e0dbd43ea8b56cf2fa4fe.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3104 -
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:2976 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:1624
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 2044⤵
- Program crash
PID:1696
-
-
-
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:1268 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1268 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:64
-
-
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
PID:2688
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1624 -ip 16241⤵PID:4056
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
95KB
MD5d8717835d80e0dbd43ea8b56cf2fa4fe
SHA155ba66261ee707e7754b5cec3edf6e379b02b7d3
SHA256214d873b8b2bdcbe90dde4e83e2490bb2c46e8d87111929bcac1bee366e77f20
SHA5128356d3e1143cf6ac585c5245132b382686fa432406f200f0a9cacb609d188435b43a7fdf62f5b456a6a973a660a784cafa34351f9abfd2f4ef67d69eebc4e031
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD55c880ecece7595aea41224edbf5f8bba
SHA1883636d01cf260db4e245913bf0bf90ead6bbacf
SHA25631736fecaf227fc906a4146252d5b452d9118e68c3a12c72095969f42724c621
SHA512d5f565aa1cafa0fa8217c59355e7289138b862a99df2bbea6059b4f4ec1af0bd337e53d8349b9595606dfddbfe82d743ee748cff9b7c65b741d09e3cf9abb1cc
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD59c60ca638bc7f1b73a4ebdf655ec6b97
SHA1d7dec65695779f20c9b8f9d8a240fd416c98d60d
SHA256a3cfeb3891d2180fa456c92515cb6a0b7f64ecaffa4f4521f80ea8c035a92138
SHA51232fe5661ca562264a22d933c8a4bc5854b35cc458ccd4a01f5c40b512259a00ec8cce67a585a45d219226b6037352ea906a9acde0faac67160ac46fc6d08993c
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee