Analysis Overview
SHA256
db135a77e47c9aef63512a95c074a3c3dc07b762f80f63b8f25fb9dec6bb8b57
Threat Level: Shows suspicious behavior
The file efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Deletes itself
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Installs/modifies Browser Helper Object
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-14 23:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-14 23:58
Reported
2024-04-15 00:00
Platform
win7-20240221-en
Max time kernel
142s
Max time network
121s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchots.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\System reservation = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchots.exe" | C:\Users\Admin\AppData\Local\Temp\svchots.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\lsejkf94mjgfr.dll | C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe"
C:\Windows\SysWOW64\Regsvr32.exe
Regsvr32.exe /s C:\Windows\system32\lsejkf94mjgfr.dll
C:\Users\Admin\AppData\Local\Temp\svchots.exe
C:\Users\Admin\AppData\Local\Temp\svchots.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\p2hhr.bat" "C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe""
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bonpyrrol.info | udp |
| US | 8.8.8.8:53 | bonpyrrol.info | udp |
| DE | 178.162.203.202:80 | bonpyrrol.info | tcp |
| DE | 178.162.217.107:80 | bonpyrrol.info | tcp |
| NL | 5.79.71.205:80 | bonpyrrol.info | tcp |
| NL | 5.79.71.225:80 | bonpyrrol.info | tcp |
| NL | 85.17.31.82:80 | bonpyrrol.info | tcp |
Files
memory/1600-1-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1600-2-0x0000000000020000-0x0000000000021000-memory.dmp
C:\Windows\SysWOW64\lsejkf94mjgfr.dll
| MD5 | 2bdf3cb785830f770359ca728f243f4d |
| SHA1 | 4a56c362b56f4a3fa54d381cda3bd70c023dcff5 |
| SHA256 | fc476137fd0450ac72d9661fbf21d4d829d8dccb18688f4bddfc325a167dbd44 |
| SHA512 | c0796c80000d590a56824dceb9af62322aa0416bc5df54181f09be5685219ce87d00acdbc064dafdc0accc33f01ada987eaf4ff4ae9c84e84b99097968328e63 |
memory/2180-6-0x0000000010000000-0x0000000010009000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchots.exe
| MD5 | 46538bf67eeb53011b5e0623a0d9c01c |
| SHA1 | 50ea6eb9a20f4caf9899e617d5f7c022e6b22a39 |
| SHA256 | 4acaba386106a131ffc3ba71892052194eb6ed4dd45acf7cc503ac3e1f1f0396 |
| SHA512 | 80b26b3632ac328d79902fc13197023dbad3d740ab10b685634046ce30684c2d767b8f6d80c222cf3bd97a3422d7ca7bfac340c1aca13911b76cfd2663eb6509 |
memory/1600-15-0x0000000000230000-0x0000000000236000-memory.dmp
memory/1600-17-0x0000000000230000-0x0000000000236000-memory.dmp
memory/2080-18-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2080-19-0x0000000000020000-0x0000000000021000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\p2hhr.bat
| MD5 | 76d2c58bc389bc1cc18aed4ff486a1a2 |
| SHA1 | 421c4d20655a1270415e550fa9cc8831576abbf6 |
| SHA256 | e8efa9da7c7006640c2f883bec45cc3013dda102fb4ae74dbd45b676c77820bf |
| SHA512 | 241642d717fbf37c3f0970921f37246c5484a3763cde23dfe0e830ed26bb9347253b68e659a70e7e6017c883024c0ef678023f0b927438d1bda16f89f40d412e |
memory/1600-28-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2080-30-0x0000000000400000-0x0000000000406000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-14 23:58
Reported
2024-04-15 00:00
Platform
win10v2004-20240412-en
Max time kernel
142s
Max time network
113s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchots.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System reservation = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchots.exe" | C:\Users\Admin\AppData\Local\Temp\svchots.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{20AD49A2-94F3-42bD-F434-2604812C897C} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\lsejkf94mjgfr.dll | C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C}\InProcServer32\ = "C:\\Windows\\SysWow64\\lsejkf94mjgfr.dll" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C}\InProcServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000_Classes\Local Settings | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C} | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C}\ = "C:\\Windows\\SysWow64\\lsejkf94mjgfr.dll" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C}\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20AD49A2-94F3-42bD-F434-2604812C897C}\InProcServer32 | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe"
C:\Windows\SysWOW64\Regsvr32.exe
Regsvr32.exe /s C:\Windows\system32\lsejkf94mjgfr.dll
C:\Users\Admin\AppData\Local\Temp\svchots.exe
C:\Users\Admin\AppData\Local\Temp\svchots.exe
C:\Windows\SysWOW64\explorer.exe
explorer.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\p2hhr.bat" "C:\Users\Admin\AppData\Local\Temp\efd11bbe86040a2c6bba36b7bdf68a7d_JaffaCakes118.exe""
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bonpyrrol.info | udp |
| DE | 178.162.203.211:80 | bonpyrrol.info | tcp |
| DE | 178.162.203.211:80 | bonpyrrol.info | tcp |
| US | 8.8.8.8:53 | 211.203.162.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
Files
memory/3308-0-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3308-1-0x00000000001C0000-0x00000000001C1000-memory.dmp
C:\Windows\SysWOW64\lsejkf94mjgfr.dll
| MD5 | 2bdf3cb785830f770359ca728f243f4d |
| SHA1 | 4a56c362b56f4a3fa54d381cda3bd70c023dcff5 |
| SHA256 | fc476137fd0450ac72d9661fbf21d4d829d8dccb18688f4bddfc325a167dbd44 |
| SHA512 | c0796c80000d590a56824dceb9af62322aa0416bc5df54181f09be5685219ce87d00acdbc064dafdc0accc33f01ada987eaf4ff4ae9c84e84b99097968328e63 |
memory/748-5-0x0000000010000000-0x0000000010009000-memory.dmp
memory/748-6-0x0000000001E20000-0x0000000001E21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchots.exe
| MD5 | 46538bf67eeb53011b5e0623a0d9c01c |
| SHA1 | 50ea6eb9a20f4caf9899e617d5f7c022e6b22a39 |
| SHA256 | 4acaba386106a131ffc3ba71892052194eb6ed4dd45acf7cc503ac3e1f1f0396 |
| SHA512 | 80b26b3632ac328d79902fc13197023dbad3d740ab10b685634046ce30684c2d767b8f6d80c222cf3bd97a3422d7ca7bfac340c1aca13911b76cfd2663eb6509 |
memory/4812-10-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4812-12-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/3308-17-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\p2hhr.bat
| MD5 | 76d2c58bc389bc1cc18aed4ff486a1a2 |
| SHA1 | 421c4d20655a1270415e550fa9cc8831576abbf6 |
| SHA256 | e8efa9da7c7006640c2f883bec45cc3013dda102fb4ae74dbd45b676c77820bf |
| SHA512 | 241642d717fbf37c3f0970921f37246c5484a3763cde23dfe0e830ed26bb9347253b68e659a70e7e6017c883024c0ef678023f0b927438d1bda16f89f40d412e |
memory/4812-19-0x0000000000400000-0x0000000000406000-memory.dmp