Analysis Overview
SHA256
159d09cdbd90e5ce221f9ca7fd30646268cb2521d4279d707b346602b0eda59d
Threat Level: Known bad
The file 4defc86e258d002b2c01eda4822d6331_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
HawkEye
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Uses the VBS compiler for execution
Looks up external IP address via web service
Accesses Microsoft Outlook accounts
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-16 10:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-16 10:35
Reported
2024-07-16 10:38
Platform
win7-20240704-en
Max time kernel
150s
Max time network
121s
Command Line
Signatures
HawkEye
Detected Nirsoft tools
| 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 |
| 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 |
NirSoft MailPassView
| 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 |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| 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 |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2932 set thread context of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 2236 set thread context of 2720 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2236 set thread context of 3040 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.19.222.79:80 | whatismyipaddress.com | tcp |
| US | 104.19.222.79:443 | whatismyipaddress.com | tcp |
| US | 104.19.222.79:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | smtp.yandex.com | udp |
| RU | 77.88.21.158:587 | smtp.yandex.com | tcp |
Files
memory/2932-0-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-13-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-12-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-11-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-10-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-9-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-8-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-7-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-6-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-5-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-4-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-3-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-2-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-1-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-14-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2932-15-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2236-16-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2236-18-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2236-17-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2720-23-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2720-24-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2720-26-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3040-27-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3040-28-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/3040-34-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-16 10:35
Reported
2024-07-16 10:38
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
114s
Command Line
Signatures
HawkEye
Detected Nirsoft tools
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| 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 |
NirSoft WebBrowserPassView
| 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 |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3520 set thread context of 4584 | N/A | C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4584 set thread context of 1004 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4584 set thread context of 396 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\4defc86e258d002b2c01eda4822d6331_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.19.223.79:80 | whatismyipaddress.com | tcp |
| US | 104.19.223.79:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | 79.223.19.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smtp.yandex.com | udp |
| RU | 77.88.21.158:587 | smtp.yandex.com | tcp |
| US | 8.8.8.8:53 | 158.21.88.77.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/3520-0-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-16-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-32-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-31-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-30-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-29-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-28-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-27-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-26-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-25-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-24-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-23-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-22-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-21-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-20-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-19-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-18-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-17-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-15-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-14-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-13-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-12-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-11-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-10-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-9-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-8-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-7-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-6-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-5-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-4-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-3-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-2-0x0000000000700000-0x0000000000701000-memory.dmp
memory/3520-1-0x0000000000700000-0x0000000000701000-memory.dmp
memory/4584-33-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1004-38-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1004-39-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1004-40-0x0000000000400000-0x000000000041B000-memory.dmp
memory/396-41-0x0000000000400000-0x0000000000458000-memory.dmp
memory/396-42-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/396-48-0x0000000000460000-0x0000000000529000-memory.dmp
memory/396-49-0x0000000000400000-0x0000000000458000-memory.dmp