Analysis Overview
SHA256
aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331
Threat Level: Known bad
The file aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331 was found to be: Known bad.
Malicious Activity Summary
HawkEye
Hawkeye family
NirSoft WebBrowserPassView
NirSoft MailPassView
Detected Nirsoft tools
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Adds Run key to start application
Looks up external IP address via web service
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-03 13:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-03 13:30
Reported
2024-12-03 13:32
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
HawkEye
Hawkeye family
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Roaming\Windows Update.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 1344 set thread context of 452 | N/A | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe |
| PID 5000 set thread context of 3668 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Users\Admin\AppData\Roaming\Windows Update.exe |
| PID 3668 set thread context of 2540 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 3668 set thread context of 2424 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
"C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
"C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.223.19.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mail.britishcrowncourt.net | udp |
| US | 207.204.50.48:587 | mail.britishcrowncourt.net | tcp |
| US | 8.8.8.8:53 | 48.50.204.207.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 207.204.50.48:587 | mail.britishcrowncourt.net | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/1344-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
memory/1344-1-0x0000000000150000-0x0000000000218000-memory.dmp
memory/1344-2-0x0000000005160000-0x0000000005704000-memory.dmp
memory/1344-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp
memory/1344-4-0x0000000004B70000-0x0000000004B84000-memory.dmp
memory/1344-5-0x0000000004B90000-0x0000000004B98000-memory.dmp
memory/452-7-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1344-6-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/452-8-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/452-9-0x0000000005750000-0x00000000057EC000-memory.dmp
memory/452-11-0x0000000005A20000-0x0000000005A76000-memory.dmp
memory/452-12-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/452-10-0x0000000005730000-0x000000000573A000-memory.dmp
memory/1344-13-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
memory/1344-14-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/452-15-0x0000000074D90000-0x0000000075540000-memory.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5205be9a501dae770c6e557b5fdaeebc |
| SHA1 | a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5 |
| SHA256 | aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331 |
| SHA512 | e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d |
memory/5000-29-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/452-30-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5000-31-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/3668-34-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5000-35-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5000-36-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/3668-37-0x0000000074D90000-0x0000000075540000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | 2715bcbe51c308593298c65e5494b1f9 |
| SHA1 | 14f0592ae00704ff4cbbf27634a6c1036de7b6a1 |
| SHA256 | cdf881969a8102ce1ac5e237487d99c977de044aa756ab493dbe6d98090c74e9 |
| SHA512 | b03d2fe5c5bf1004e1aac95f543ef2f02cebde8e93232326a1a34f47fdfd4512168d4e9b3963a7d833cf68895a839acdac01bff2020252400218f8f05972369d |
memory/3668-41-0x0000000008E60000-0x0000000008EC6000-memory.dmp
memory/3668-44-0x000000000B300000-0x000000000B308000-memory.dmp
memory/2540-45-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2540-48-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2540-46-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2424-49-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2424-50-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/2424-57-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-03 13:30
Reported
2024-12-03 13:32
Platform
win7-20240708-en
Max time kernel
22s
Max time network
144s
Command Line
Signatures
HawkEye
Hawkeye family
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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Uses the VBS compiler for execution
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 2984 set thread context of 1944 | N/A | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe |
| PID 2280 set thread context of 2660 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Users\Admin\AppData\Roaming\Windows Update.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
"C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe
"C:\Users\Admin\AppData\Local\Temp\aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.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 | 8.8.8.8:53 | mail.britishcrowncourt.net | udp |
| US | 207.204.50.48:587 | mail.britishcrowncourt.net | tcp |
| US | 207.204.50.48:587 | mail.britishcrowncourt.net | tcp |
Files
memory/2984-0-0x000000007454E000-0x000000007454F000-memory.dmp
memory/2984-1-0x0000000000AF0000-0x0000000000BB8000-memory.dmp
memory/2984-2-0x0000000000280000-0x0000000000294000-memory.dmp
memory/2984-3-0x00000000002A0000-0x00000000002A8000-memory.dmp
memory/1944-5-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-14-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-12-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-10-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2984-15-0x0000000074540000-0x0000000074C2E000-memory.dmp
memory/1944-16-0x0000000074540000-0x0000000074C2E000-memory.dmp
memory/1944-7-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-6-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-4-0x0000000000400000-0x0000000000494000-memory.dmp
memory/1944-17-0x0000000074540000-0x0000000074C2E000-memory.dmp
memory/2984-18-0x000000007454E000-0x000000007454F000-memory.dmp
memory/2984-19-0x0000000074540000-0x0000000074C2E000-memory.dmp
memory/1944-20-0x0000000074540000-0x0000000074C2E000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5205be9a501dae770c6e557b5fdaeebc |
| SHA1 | a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5 |
| SHA256 | aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331 |
| SHA512 | e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d |
memory/1944-29-0x0000000074540000-0x0000000074C2E000-memory.dmp
memory/2280-30-0x0000000000E10000-0x0000000000ED8000-memory.dmp
memory/2660-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | 2715bcbe51c308593298c65e5494b1f9 |
| SHA1 | 14f0592ae00704ff4cbbf27634a6c1036de7b6a1 |
| SHA256 | cdf881969a8102ce1ac5e237487d99c977de044aa756ab493dbe6d98090c74e9 |
| SHA512 | b03d2fe5c5bf1004e1aac95f543ef2f02cebde8e93232326a1a34f47fdfd4512168d4e9b3963a7d833cf68895a839acdac01bff2020252400218f8f05972369d |
memory/2660-50-0x00000000007B0000-0x00000000007B8000-memory.dmp
memory/2512-52-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2512-51-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2512-54-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1732-56-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1732-55-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1732-62-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |