Analysis Overview
SHA256
9f35623c249226a739c810db0da1b7332b9d98222e9e50c8aaa001edcf505af1
Threat Level: Known bad
The file a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Loads dropped DLL
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-03 23:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-03 23:16
Reported
2024-04-03 23:18
Platform
win10v2004-20231215-en
Max time kernel
90s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5112 wrote to memory of 4752 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5112 wrote to memory of 4752 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5112 wrote to memory of 4752 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4752 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4752 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4752 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4752 wrote to memory of 4112 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4752 -ip 4752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 656
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.66.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.108.222.173.in-addr.arpa | udp |
Files
memory/4752-0-0x0000000010000000-0x000000001000D000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-03 23:16
Reported
2024-04-03 23:18
Platform
win7-20240215-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2900 set thread context of 1564 | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\nsd198A.tmp\itfd.dll
| MD5 | af514b31b839ced67c0907a6569e3495 |
| SHA1 | ca1c2fd9e815d695ec163cac2d2feb72fa9b0a00 |
| SHA256 | e5b37e22db2aab4db04417c4b30be841686e2300687d5b3abd8a0456cd144d31 |
| SHA512 | 22920f0365435be0961a33009ab1bff010ab5534553bd9d75e9be30ea588c67ea8ac7be936e4759019cb2a7fa6232fbbb4cef516ab54f68396934f383da52055 |
memory/2900-8-0x0000000010000000-0x000000001000D000-memory.dmp
memory/1564-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2900-10-0x0000000010000000-0x000000001000D000-memory.dmp
memory/1564-12-0x0000000000830000-0x0000000000B33000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 23:16
Reported
2024-04-03 23:18
Platform
win10v2004-20240226-en
Max time kernel
92s
Max time network
96s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4536 wrote to memory of 840 | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe |
| PID 4536 wrote to memory of 840 | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe |
| PID 4536 wrote to memory of 840 | N/A | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9529e72ea3c3b4f0c5dfe1915c17a8a_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4536 -ip 4536
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 952
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.66.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.108.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.108.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsr3104.tmp\itfd.dll
| MD5 | af514b31b839ced67c0907a6569e3495 |
| SHA1 | ca1c2fd9e815d695ec163cac2d2feb72fa9b0a00 |
| SHA256 | e5b37e22db2aab4db04417c4b30be841686e2300687d5b3abd8a0456cd144d31 |
| SHA512 | 22920f0365435be0961a33009ab1bff010ab5534553bd9d75e9be30ea588c67ea8ac7be936e4759019cb2a7fa6232fbbb4cef516ab54f68396934f383da52055 |
memory/4536-8-0x0000000010000000-0x000000001000D000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-03 23:16
Reported
2024-04-03 23:18
Platform
win7-20240221-en
Max time kernel
149s
Max time network
122s
Command Line
Signatures
Formbook
Formbook payload
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1252 set thread context of 1728 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1728 set thread context of 1392 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
| PID 1056 set thread context of 1392 | N/A | C:\Windows\SysWOW64\wuapp.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| 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\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\wuapp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\itfd.dll,#1
C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\rundll32.exe"
Network
Files
memory/1252-0-0x0000000010000000-0x000000001000D000-memory.dmp
memory/1728-1-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1252-2-0x0000000010000000-0x000000001000D000-memory.dmp
memory/1728-3-0x0000000002460000-0x0000000002763000-memory.dmp
memory/1728-5-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1728-6-0x00000000001F0000-0x0000000000204000-memory.dmp
memory/1392-7-0x00000000038E0000-0x00000000039E0000-memory.dmp
memory/1392-8-0x00000000064C0000-0x00000000065DA000-memory.dmp
memory/1056-9-0x00000000001E0000-0x00000000001EB000-memory.dmp
memory/1056-10-0x00000000001E0000-0x00000000001EB000-memory.dmp
memory/1056-11-0x0000000000090000-0x00000000000BF000-memory.dmp
memory/1056-12-0x0000000001F70000-0x0000000002273000-memory.dmp
memory/1056-13-0x0000000000090000-0x00000000000BF000-memory.dmp
memory/1056-15-0x0000000001D40000-0x0000000001DD3000-memory.dmp
memory/1392-17-0x00000000064C0000-0x00000000065DA000-memory.dmp