Analysis Overview
SHA256
f130ad4a5ddfc5a0937969e663cb9271aace3d1b2f6e2cb8c1fb03a403d71dde
Threat Level: Shows suspicious behavior
The file e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Modifies WinLogon
Drops file in System32 directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:23
Signatures
UPX packed file
| Description | Indicator | Process | Target |
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Unsigned PE
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Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:23
Reported
2024-04-07 18:25
Platform
win7-20240221-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
UPX packed file
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Modifies WinLogon
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Asynchronous = "1" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\StartShell = "Run" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\DLLName = "crypts.dll" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Impersonate = "1" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\crypts.dll | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe"
Network
Files
memory/2184-0-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-2-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-5-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-8-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-11-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-14-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-17-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-20-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-23-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-26-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-29-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-32-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-35-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-38-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-41-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-65-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-62-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-59-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-56-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-53-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-50-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-47-0x0000000013150000-0x000000001317C000-memory.dmp
memory/1200-44-0x0000000013150000-0x000000001317C000-memory.dmp
memory/2184-134-0x0000000013150000-0x000000001317C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:23
Reported
2024-04-07 18:25
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
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Modifies WinLogon
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\DLLName = "crypts.dll" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Impersonate = "1" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\Asynchronous = "1" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\crypt\StartShell = "Run" | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\crypts.dll | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5916c80fa934df87e2c9467e27ecbde_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| 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 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/2480-0-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-2-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-3-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-4-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-5-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-6-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-7-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-9-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-8-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-10-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-11-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-12-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-13-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-14-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-15-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-16-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-17-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-18-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-19-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-20-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-21-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-22-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-23-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-24-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-25-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-26-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-27-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-28-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-29-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-30-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-31-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-37-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-36-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-35-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-34-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-33-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-32-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-40-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-38-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-39-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-41-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-42-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-43-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-44-0x0000000013150000-0x000000001317C000-memory.dmp
memory/3552-45-0x0000000013150000-0x000000001317C000-memory.dmp
memory/2480-46-0x0000000013150000-0x000000001317C000-memory.dmp