Analysis Overview
SHA256
519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb
Threat Level: Known bad
The file 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb was found to be: Known bad.
Malicious Activity Summary
HawkEye
NirSoft WebBrowserPassView
Nirsoft
NirSoft MailPassView
Checks computer location settings
Uses the VBS compiler for execution
Adds Run key to start application
Looks up external IP address via web service
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-18 14:19
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-18 14:19
Reported
2022-07-18 14:22
Platform
win7-20220414-en
Max time kernel
74s
Max time network
149s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Nirsoft
| Description | Indicator | Process | Target |
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Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\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 996 set thread context of 584 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 584 set thread context of 1896 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 584 set thread context of 1196 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\debug\WIA\rGaqmF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| File opened for modification | C:\Windows\debug\WIA\rGaqmF.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe
"C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rGaqmF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F3F.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 | 104.16.155.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | mail.agenttesla.nut.cc | udp |
| DE | 64.190.63.111:587 | mail.agenttesla.nut.cc | tcp |
Files
memory/960-54-0x0000000075801000-0x0000000075803000-memory.dmp
memory/996-55-0x0000000000000000-mapping.dmp
memory/960-56-0x0000000074A30000-0x0000000074FDB000-memory.dmp
memory/996-57-0x0000000000CA0000-0x0000000000CAC000-memory.dmp
memory/996-58-0x00000000049A0000-0x0000000004A48000-memory.dmp
memory/996-60-0x0000000004F30000-0x0000000004FC0000-memory.dmp
memory/432-61-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp7F3F.tmp
| MD5 | 01e5a2b46c8cde634f2df81af8895f4e |
| SHA1 | ae470ad391273d02eaf02adab5e8ad055545fa7c |
| SHA256 | 13ec7b542deb175a950f5fbe04ea60d30397033d485e80f07679de9344c7d363 |
| SHA512 | ad2818e4e3683c30b9c5a1317d4dac2ea54979d8bc610aae1e58cd1f89f4a62fd31a1ed05cb40f402b5166707d15edfaed2ec5c114b51d11fb8b40e36dde3164 |
memory/584-63-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-64-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-66-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-68-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-69-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-70-0x0000000000480BCE-mapping.dmp
memory/584-72-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-74-0x0000000000400000-0x0000000000488000-memory.dmp
memory/584-76-0x0000000000B55000-0x0000000000B66000-memory.dmp
memory/584-77-0x0000000000680000-0x0000000000688000-memory.dmp
memory/1896-78-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1896-79-0x0000000000411654-mapping.dmp
memory/1896-82-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1896-83-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1896-84-0x0000000000400000-0x000000000041B000-memory.dmp
memory/584-85-0x0000000000B55000-0x0000000000B66000-memory.dmp
memory/1196-86-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1196-87-0x0000000000442628-mapping.dmp
memory/1196-90-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/1196-92-0x0000000000400000-0x0000000000458000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-18 14:19
Reported
2022-07-18 14:22
Platform
win10v2004-20220718-en
Max time kernel
137s
Max time network
141s
Command Line
Signatures
HawkEye
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe | N/A |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2783062828-828903012-4218294845-1000\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-1-5-21-2783062828-828903012-4218294845-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\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 1160 set thread context of 4164 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
| PID 4164 set thread context of 4840 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4164 set thread context of 2020 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe
"C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rGaqmF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 | www.microsoft.com | udp |
| NL | 2.21.41.70:80 | www.microsoft.com | tcp |
| US | 204.79.197.203:80 | oneocsp.microsoft.com | tcp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.16.155.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.155.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | mail.agenttesla.nut.cc | udp |
| DE | 64.190.63.111:587 | mail.agenttesla.nut.cc | tcp |
| US | 8.8.8.8:53 | mail.agenttesla.nut.cc | udp |
Files
memory/1120-130-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/1160-131-0x0000000000000000-mapping.dmp
memory/1120-132-0x00000000750A0000-0x0000000075651000-memory.dmp
memory/1160-133-0x0000000000580000-0x000000000058C000-memory.dmp
memory/1160-134-0x0000000004D00000-0x0000000004D1A000-memory.dmp
memory/1160-135-0x0000000004DF0000-0x0000000004E98000-memory.dmp
memory/1160-136-0x0000000004F40000-0x0000000004FDC000-memory.dmp
memory/1160-137-0x0000000005590000-0x0000000005B34000-memory.dmp
memory/1160-138-0x0000000004FE0000-0x0000000005072000-memory.dmp
memory/2284-139-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp
| MD5 | d298d00c287e5a12d5f2b54a041b0a0d |
| SHA1 | efc63dd827a9cf2f2d56a547cf4ca0dd03740a34 |
| SHA256 | 8524f0549eafecb09764eadae9406abf58536f02bf5e8a1ebb7bbd17d38dfb66 |
| SHA512 | 1ffcb19d3ad96b4c8ef304d5161c24cabb4bd1bd87bf57cfee31cd7158c6d98a7c301d2ea5b3e0f7a2c692e140fc1f6b222f8f1c0c1eaf48c2fa5e5c36e711ea |
memory/4164-141-0x0000000000000000-mapping.dmp
memory/4164-143-0x00000000007B0000-0x0000000000838000-memory.dmp
memory/4164-144-0x0000000004D90000-0x0000000004D9A000-memory.dmp
memory/4164-145-0x0000000005040000-0x0000000005096000-memory.dmp
memory/4164-146-0x0000000007F50000-0x0000000007FB6000-memory.dmp
memory/4840-147-0x0000000000000000-mapping.dmp
memory/4840-148-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4840-150-0x0000000000400000-0x000000000041B000-memory.dmp
memory/4840-151-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2020-152-0x0000000000000000-mapping.dmp
memory/2020-153-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2020-155-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2020-156-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f94dc819ca773f1e3cb27abbc9e7fa27 |
| SHA1 | 9a7700efadc5ea09ab288544ef1e3cd876255086 |
| SHA256 | a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92 |
| SHA512 | 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196 |
memory/2020-158-0x0000000000400000-0x0000000000458000-memory.dmp