Analysis Overview
SHA256
dffdeda62abe601e86fdc4a95d710daa9ce5bdd2b8ebdd9f62fd664f2a3ef032
Threat Level: Known bad
The file 161337d3ffd09408a54f615ee3c1116f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Ramnit
Loads dropped DLL
Executes dropped EXE
Drops file in System32 directory
UPX packed file
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-05 04:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-05 04:01
Reported
2024-10-05 04:04
Platform
win7-20240903-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 224
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 92
Network
Files
memory/2132-1-0x000000006D240000-0x000000006D25A000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | fba9053e3a7f286a68a072f5d1b57b42 |
| SHA1 | 19c4800e8de1e83ff7bf0b96a96563e8430ce9f3 |
| SHA256 | 5675295a26c3839803fd25fb667f2be09c2b6bf3412202a09c3dfc9a46eb4ca4 |
| SHA512 | ee53bbd9531801df780279da49bd34863513db67fbacbd6b0abb844d02cb76f5e86ed39ad28585b27aa42d3659a8fc9f3d1459f92f81eca970e69bac7c403c64 |
memory/2132-8-0x000000006D240000-0x000000006D25A000-memory.dmp
memory/2132-17-0x000000006D240000-0x000000006D25A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-05 04:01
Reported
2024-10-05 04:04
Platform
win10v2004-20240802-en
Max time kernel
95s
Max time network
142s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1417742933" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135451" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{800B925D-82CE-11EF-84CD-62872261FF50} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31135451" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31135451" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1417742933" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1421024276" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "434865864" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\161337d3ffd09408a54f615ee3c1116f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1712 -ip 1712
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3328 CREDAT:17410 /prefetch:2
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 608
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/1712-0-0x000000006D240000-0x000000006D25A000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | fba9053e3a7f286a68a072f5d1b57b42 |
| SHA1 | 19c4800e8de1e83ff7bf0b96a96563e8430ce9f3 |
| SHA256 | 5675295a26c3839803fd25fb667f2be09c2b6bf3412202a09c3dfc9a46eb4ca4 |
| SHA512 | ee53bbd9531801df780279da49bd34863513db67fbacbd6b0abb844d02cb76f5e86ed39ad28585b27aa42d3659a8fc9f3d1459f92f81eca970e69bac7c403c64 |
memory/1264-8-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-13-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-15-0x00000000006F0000-0x00000000006F1000-memory.dmp
memory/1264-16-0x00000000774A2000-0x00000000774A3000-memory.dmp
memory/1264-12-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-10-0x0000000000690000-0x0000000000691000-memory.dmp
memory/1264-11-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-9-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-17-0x00000000774A2000-0x00000000774A3000-memory.dmp
memory/1264-6-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-5-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1264-7-0x0000000000400000-0x000000000041A000-memory.dmp
memory/1712-19-0x000000006D240000-0x000000006D25A000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | db7c83e09ebc4317f2bf2df7f66b8513 |
| SHA1 | 29d58ef43f72ce7cf79ce6109d038a6c9b4873f0 |
| SHA256 | 1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8 |
| SHA512 | 6eb46ae0c3e091ba13b1c0e3fb6de568882940df7968d0e1297568ea5356a4691f2a869c7c9ac9e9642bcc2e4e1388d00b15c663276143e8cb5015ab89c27867 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 8a39ed07c67fd87d3c502fd5913148b7 |
| SHA1 | ab7eb02ccc5e984b596fd788804eaa9586996207 |
| SHA256 | 6e11d3a4e0cf4ee881925c1cf5ce18476d6bb8e07872142887200bed5ab31cb5 |
| SHA512 | a6e02588ead78f0c7ea47b8646e5a3dc7fa0713ebd4b8e8727ce06cf79d3454d516889f073acd05bf9deee589620e79363a49a3ef41032b68497b6fa364186b8 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |