Analysis Overview
SHA256
bf89dae393e83aaa42efbbb88417bd9aaa7bbcfc47dd564e9367aa2db0822a03
Threat Level: Known bad
The file fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
MetaSploit
Adds policy Run key to start application
Executes dropped EXE
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-19 11:45
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
2024-04-19 11:45
Reported
2024-04-19 11:47
Platform
win7-20231129-en
Max time kernel
149s
Max time network
124s
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\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\ymic.exe" | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
| N/A | N/A | C:\Windows\ymic.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\\ymic.exe" | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1720 set thread context of 2192 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe |
| PID 1512 set thread context of 2596 | N/A | C:\Windows\ymic.exe | C:\Windows\ymic.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\ymic.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\ymic.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| File created | C:\Windows\logfile32.txt | C:\Windows\ymic.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
C:\Windows\ymic.exe
"C:\Windows\ymic.exe"
C:\Windows\ymic.exe
C:\Windows\ymic.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
Files
memory/1720-0-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1720-3-0x0000000000230000-0x0000000000250000-memory.dmp
memory/2192-4-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-6-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-8-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-10-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2192-14-0x0000000000400000-0x0000000000454000-memory.dmp
memory/1720-15-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2192-17-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-18-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2192-19-0x0000000000400000-0x0000000000454000-memory.dmp
C:\Windows\ymic.exe
| MD5 | fa39f0ee34d558d972ab192901c9ca62 |
| SHA1 | 6a742c21728ecad9781e465034f0653889a1e9ad |
| SHA256 | bf89dae393e83aaa42efbbb88417bd9aaa7bbcfc47dd564e9367aa2db0822a03 |
| SHA512 | cbd89ff63756d3e46e8190968f0b2a5bbc25ae4d616857135b1e860c1c46fbdeec696257f6392fe95dedb3db468c5964b70d3d28e02d3bbf5eeffc744f1dd691 |
memory/1512-29-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2192-28-0x00000000003E0000-0x0000000000400000-memory.dmp
memory/2192-27-0x00000000003E0000-0x0000000000400000-memory.dmp
memory/1512-48-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2596-52-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-54-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-55-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-56-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-57-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-58-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-59-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-60-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-61-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-62-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-63-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-64-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-65-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-66-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2596-67-0x0000000000400000-0x0000000000454000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-19 11:45
Reported
2024-04-19 11:47
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
151s
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\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Driver Setup = "C:\\Windows\\ymic.exe" | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
| N/A | N/A | C:\Windows\ymic.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\\ymic.exe" | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 856 set thread context of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe |
| PID 1968 set thread context of 4008 | N/A | C:\Windows\ymic.exe | C:\Windows\ymic.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\ymic.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\ymic.exe | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| File created | C:\Windows\logfile32.txt | C:\Windows\ymic.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\ymic.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\fa39f0ee34d558d972ab192901c9ca62_JaffaCakes118.exe
C:\Windows\ymic.exe
"C:\Windows\ymic.exe"
C:\Windows\ymic.exe
C:\Windows\ymic.exe
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 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| 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 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | www.merkurvideo.com | udp |
| US | 8.8.8.8:53 | www.facebookvideocentral.com | udp |
| US | 8.8.8.8:53 | 94.65.42.20.in-addr.arpa | udp |
Files
memory/856-0-0x0000000000400000-0x0000000000420000-memory.dmp
memory/5104-3-0x0000000000400000-0x0000000000454000-memory.dmp
memory/856-6-0x0000000000400000-0x0000000000420000-memory.dmp
memory/5104-5-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5104-7-0x0000000000400000-0x0000000000454000-memory.dmp
memory/5104-8-0x0000000000400000-0x0000000000454000-memory.dmp
C:\Windows\ymic.exe
| MD5 | fa39f0ee34d558d972ab192901c9ca62 |
| SHA1 | 6a742c21728ecad9781e465034f0653889a1e9ad |
| SHA256 | bf89dae393e83aaa42efbbb88417bd9aaa7bbcfc47dd564e9367aa2db0822a03 |
| SHA512 | cbd89ff63756d3e46e8190968f0b2a5bbc25ae4d616857135b1e860c1c46fbdeec696257f6392fe95dedb3db468c5964b70d3d28e02d3bbf5eeffc744f1dd691 |
memory/1968-14-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1968-24-0x0000000000400000-0x0000000000420000-memory.dmp
memory/4008-25-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-26-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-28-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-29-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-30-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-31-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-32-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-33-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-34-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-35-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-36-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-37-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-38-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-39-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-40-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4008-41-0x0000000000400000-0x0000000000454000-memory.dmp