Analysis Overview
SHA256
b8cc9e2b1509abfb88b4b570456839e5c00a7ffa52da7ef3333eef7d7b00922c
Threat Level: Known bad
The file 2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-07 19:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 19:43
Reported
2024-05-07 19:46
Platform
win7-20240220-en
Max time kernel
147s
Max time network
126s
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2964 set thread context of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 3036 set thread context of 1124 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Explorer.EXE |
| PID 2424 set thread context of 1124 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
Files
memory/2964-0-0x00000000742DE000-0x00000000742DF000-memory.dmp
memory/2964-1-0x00000000013C0000-0x000000000145C000-memory.dmp
memory/2964-2-0x0000000000420000-0x0000000000440000-memory.dmp
memory/2964-3-0x0000000000330000-0x0000000000336000-memory.dmp
memory/2964-4-0x00000000742D0000-0x00000000749BE000-memory.dmp
memory/2964-5-0x00000000742D0000-0x00000000749BE000-memory.dmp
memory/3036-6-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2964-7-0x00000000742D0000-0x00000000749BE000-memory.dmp
memory/3036-8-0x00000000024F0000-0x00000000027F3000-memory.dmp
memory/1124-10-0x0000000002EE0000-0x0000000002FE0000-memory.dmp
memory/1124-13-0x00000000044A0000-0x0000000004599000-memory.dmp
memory/3036-12-0x0000000000220000-0x0000000000234000-memory.dmp
memory/3036-11-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2424-15-0x0000000000260000-0x000000000026E000-memory.dmp
memory/2424-14-0x0000000000260000-0x000000000026E000-memory.dmp
memory/2424-17-0x0000000000260000-0x000000000026E000-memory.dmp
memory/1124-20-0x00000000044A0000-0x0000000004599000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 19:43
Reported
2024-05-07 19:46
Platform
win10v2004-20240426-en
Max time kernel
136s
Max time network
101s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3500 set thread context of 4564 | N/A | C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2171d7a11c215bdd470fcd398c776b6d_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 540
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.147:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 147.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| US | 52.111.227.11:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3500-0-0x00000000746CE000-0x00000000746CF000-memory.dmp
memory/3500-1-0x0000000000CD0000-0x0000000000D6C000-memory.dmp
memory/3500-2-0x00000000056B0000-0x00000000056D0000-memory.dmp
memory/3500-3-0x0000000003000000-0x0000000003006000-memory.dmp
memory/3500-4-0x00000000746C0000-0x0000000074E70000-memory.dmp
memory/3500-5-0x0000000008150000-0x00000000086F4000-memory.dmp
memory/3500-6-0x0000000007CA0000-0x0000000007D32000-memory.dmp
memory/3500-7-0x0000000008080000-0x000000000811C000-memory.dmp
memory/4564-8-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3500-12-0x00000000746C0000-0x0000000074E70000-memory.dmp
memory/4564-9-0x00000000005C0000-0x00000000005EA000-memory.dmp