Analysis Overview
SHA256
0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a
Threat Level: Known bad
The file 0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft WebBrowserPassView
Nirsoft
NirSoft MailPassView
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Deletes itself
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-22 21:13
Signatures
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-22 21:13
Reported
2022-02-22 21:32
Platform
win7-en-20211208
Max time kernel
155s
Max time network
128s
Command Line
Signatures
HawkEye
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 |
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 |
Nirsoft
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| 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\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe | N/A |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\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 |
| N/A | whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 240 set thread context of 988 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 240 set thread context of 1764 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
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\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe
"C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.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 | 104.16.154.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 104.18.11.39:80 | tcp | |
| US | 8.8.8.8:53 | smtp.gmail.com | udp |
| US | 142.250.102.109:587 | smtp.gmail.com | tcp |
| US | 142.250.102.109:587 | smtp.gmail.com | tcp |
| DE | 23.63.126.201:443 | tcp |
Files
memory/744-54-0x0000000076041000-0x0000000076043000-memory.dmp
memory/744-56-0x00000000008B0000-0x00000000008B1000-memory.dmp
memory/744-55-0x00000000743D1000-0x00000000743D2000-memory.dmp
memory/744-57-0x00000000743D2000-0x00000000743D4000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | a45274215d907b452dd15f533dcdc040 |
| SHA1 | 706058351d4e554dc7587427925b0eecb8ee6e79 |
| SHA256 | 0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a |
| SHA512 | c95a34798767e0014b5f0d3482f51cde57c08af14fd531ee865a9be5f009fe2d782c129d7f1d3ca1409baaa628b408e7d6d488e434c05f4feca1270e3f68e66e |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | a45274215d907b452dd15f533dcdc040 |
| SHA1 | 706058351d4e554dc7587427925b0eecb8ee6e79 |
| SHA256 | 0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a |
| SHA512 | c95a34798767e0014b5f0d3482f51cde57c08af14fd531ee865a9be5f009fe2d782c129d7f1d3ca1409baaa628b408e7d6d488e434c05f4feca1270e3f68e66e |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | a45274215d907b452dd15f533dcdc040 |
| SHA1 | 706058351d4e554dc7587427925b0eecb8ee6e79 |
| SHA256 | 0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a |
| SHA512 | c95a34798767e0014b5f0d3482f51cde57c08af14fd531ee865a9be5f009fe2d782c129d7f1d3ca1409baaa628b408e7d6d488e434c05f4feca1270e3f68e66e |
memory/240-62-0x00000000743D1000-0x00000000743D2000-memory.dmp
memory/240-63-0x0000000000790000-0x0000000000791000-memory.dmp
memory/240-64-0x00000000743D2000-0x00000000743D4000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | 4f4e7eec505005cea6caa8691c84a5c6 |
| SHA1 | a878b11b009ea3ee6339a2ac6ea533beff8e9ada |
| SHA256 | 56c6a735d9a0bfa842af01f1f3a57537da19ad72cf1eded689c9ae548147cdcf |
| SHA512 | 62d1fb38321795719c80d825f30cb02ce60a60fc5d418c096e6f5852567d76c11f07bab3e7da3397f320b4280cbf2f8fea5e67aed2af875c9c6f8984a170dd4d |
memory/988-66-0x0000000000400000-0x000000000041B000-memory.dmp
memory/240-68-0x00000000007A6000-0x00000000007A7000-memory.dmp
memory/988-69-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1764-70-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1764-72-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-22 21:13
Reported
2022-02-22 21:32
Platform
win10v2004-en-20220112
Max time kernel
125s
Max time network
164s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 716 wrote to memory of 924 | N/A | C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 716 wrote to memory of 924 | N/A | C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 716 wrote to memory of 924 | N/A | C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 924 wrote to memory of 116 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 924 wrote to memory of 116 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe
"C:\Users\Admin\AppData\Local\Temp\0a82eb0c8e3d7c2334c4eff82dc394f65654bf72b8ceb6e9d940d90ed3a6ba0a.exe"
C:\Windows\SysWOW64\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
C:\Windows\system32\FonDUE.EXE
"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
Network
| Country | Destination | Domain | Proto |
| US | 72.21.91.29:80 | tcp | |
| NL | 92.123.77.56:80 | tcp | |
| NL | 92.123.77.56:80 | tcp | |
| NL | 8.248.7.254:80 | tcp | |
| NL | 8.248.7.254:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.143.84.45:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |