Analysis Overview
SHA256
ac9d2bfd6aaeadd64628fd226fa14db3d22352a64fb2e13e2fa37a47c3a05edf
Threat Level: Known bad
The file ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
MetaSploit
Adds policy Run key to start application
UPX packed file
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-21 12:52
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-21 12:52
Reported
2024-04-21 12:55
Platform
win7-20231129-en
Max time kernel
141s
Max time network
138s
Command Line
Signatures
MetaSploit
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\frgmt.exe" | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\frgmt.exe" | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe | N/A |
| File created | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe | N/A |
| File created | C:\Windows\SysWOW64\frgmt.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\frgmt.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1724 set thread context of 2088 | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe |
| PID 2012 set thread context of 2600 | N/A | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\logfile32.txt | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe"
C:\Windows\SysWOW64\frgmt.exe
"C:\Windows\system32\frgmt.exe"
C:\Windows\SysWOW64\frgmt.exe
"C:\Windows\SysWOW64\frgmt.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
| US | 8.8.8.8:53 | www.bitcity.org | udp |
| AT | 18.66.27.72:81 | www.bitcity.org | tcp |
| AT | 18.66.27.72:80 | www.bitcity.org | tcp |
| AT | 18.66.27.72:81 | www.bitcity.org | tcp |
| US | 8.8.8.8:53 | www.bitcity.org | udp |
| AT | 18.66.27.72:80 | www.bitcity.org | tcp |
| AT | 18.66.27.72:81 | www.bitcity.org | tcp |
Files
memory/1724-0-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2088-3-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2088-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2088-7-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2088-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1724-9-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2088-11-0x0000000000400000-0x0000000000454000-memory.dmp
\Windows\SysWOW64\frgmt.exe
| MD5 | ff51888d7baaad93baee1f3e82f4d49c |
| SHA1 | e9ca80bf5605ab354697fe2d084a359d53489200 |
| SHA256 | ac9d2bfd6aaeadd64628fd226fa14db3d22352a64fb2e13e2fa37a47c3a05edf |
| SHA512 | 65ffc4cd97e805f0cc7f1e837b715739c3b45e9d5e5010d980925e28ff153e68019f8494d6039d78a4e5fffee50bff5d05ef09bffa3eb31b08198f5badadc3d2 |
memory/2088-15-0x00000000024E0000-0x0000000002519000-memory.dmp
memory/2012-36-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2600-38-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-41-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-42-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-45-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-46-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-47-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-50-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-51-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2600-52-0x0000000000400000-0x0000000000454000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-21 12:52
Reported
2024-04-21 12:55
Platform
win10v2004-20240226-en
Max time kernel
158s
Max time network
168s
Command Line
Signatures
MetaSploit
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\frgmt.exe" | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Driver Setup = "C:\\Windows\\system32\\frgmt.exe" | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\frgmt.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe | N/A |
| File created | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe | N/A |
| File created | C:\Windows\SysWOW64\frgmt.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3844 set thread context of 4236 | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe |
| PID 3916 set thread context of 4240 | N/A | C:\Windows\SysWOW64\frgmt.exe | C:\Windows\SysWOW64\frgmt.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\logfile32.txt | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\frgmt.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff51888d7baaad93baee1f3e82f4d49c_JaffaCakes118.exe"
C:\Windows\SysWOW64\frgmt.exe
"C:\Windows\system32\frgmt.exe"
C:\Windows\SysWOW64\frgmt.exe
"C:\Windows\SysWOW64\frgmt.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 239.249.30.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.bitcity.org | udp |
| AT | 18.66.27.116:81 | www.bitcity.org | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| AT | 18.66.27.116:80 | www.bitcity.org | tcp |
| US | 8.8.8.8:53 | 116.27.66.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
| AT | 18.66.27.116:81 | www.bitcity.org | tcp |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.bitcity.org | udp |
| AT | 18.66.27.72:80 | www.bitcity.org | tcp |
| US | 8.8.8.8:53 | 72.27.66.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | java.KUTLUFAMILY.COM | udp |
Files
memory/3844-0-0x0000000000400000-0x0000000000439000-memory.dmp
memory/3844-1-0x0000000000400000-0x0000000000439000-memory.dmp
memory/4236-4-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4236-6-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4236-7-0x0000000000400000-0x0000000000454000-memory.dmp
memory/3844-8-0x0000000000400000-0x0000000000439000-memory.dmp
memory/4236-9-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4236-10-0x0000000000400000-0x0000000000454000-memory.dmp
C:\Windows\SysWOW64\frgmt.exe
| MD5 | ff51888d7baaad93baee1f3e82f4d49c |
| SHA1 | e9ca80bf5605ab354697fe2d084a359d53489200 |
| SHA256 | ac9d2bfd6aaeadd64628fd226fa14db3d22352a64fb2e13e2fa37a47c3a05edf |
| SHA512 | 65ffc4cd97e805f0cc7f1e837b715739c3b45e9d5e5010d980925e28ff153e68019f8494d6039d78a4e5fffee50bff5d05ef09bffa3eb31b08198f5badadc3d2 |
memory/3916-24-0x0000000000400000-0x0000000000439000-memory.dmp
memory/4240-26-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-27-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-30-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-31-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-34-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-35-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-36-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4240-39-0x0000000000400000-0x0000000000454000-memory.dmp