Analysis Overview
SHA256
0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8
Threat Level: Known bad
The file 0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8 was found to be: Known bad.
Malicious Activity Summary
HawkEye
Nirsoft
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Executes dropped EXE
Uses the VBS compiler for execution
Loads dropped DLL
Deletes itself
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-22 21:09
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 21:09
Reported
2022-02-22 21:24
Platform
win7-en-20211208
Max time kernel
138s
Max time network
127s
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\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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 1036 set thread context of 1872 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1036 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
| 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 |
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\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.exe
"C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.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 | 8.8.8.8:53 | smtp.zoho.com | udp |
| US | 204.141.42.56:587 | smtp.zoho.com | tcp |
| US | 204.141.42.56:587 | smtp.zoho.com | tcp |
Files
memory/960-54-0x0000000076151000-0x0000000076153000-memory.dmp
memory/960-55-0x00000000744F1000-0x00000000744F2000-memory.dmp
memory/960-56-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
memory/960-57-0x00000000744F2000-0x00000000744F4000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 30fd2ec9012ade78a3b8576efe2face6 |
| SHA1 | 71ead9bd3141349069ab3cbc617e7eeb5a6e5e12 |
| SHA256 | 0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8 |
| SHA512 | 1d432dc96947dfe858997b02c85d2aee5f220915b54b01380e458b1c3d027e49381d432f520199375f633b599002692441259735abe7e3e0bbe86388b0467c92 |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 30fd2ec9012ade78a3b8576efe2face6 |
| SHA1 | 71ead9bd3141349069ab3cbc617e7eeb5a6e5e12 |
| SHA256 | 0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8 |
| SHA512 | 1d432dc96947dfe858997b02c85d2aee5f220915b54b01380e458b1c3d027e49381d432f520199375f633b599002692441259735abe7e3e0bbe86388b0467c92 |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 30fd2ec9012ade78a3b8576efe2face6 |
| SHA1 | 71ead9bd3141349069ab3cbc617e7eeb5a6e5e12 |
| SHA256 | 0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8 |
| SHA512 | 1d432dc96947dfe858997b02c85d2aee5f220915b54b01380e458b1c3d027e49381d432f520199375f633b599002692441259735abe7e3e0bbe86388b0467c92 |
memory/1036-63-0x0000000002030000-0x0000000002031000-memory.dmp
memory/1036-62-0x00000000744F1000-0x00000000744F2000-memory.dmp
memory/1036-64-0x00000000744F2000-0x00000000744F4000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | aa49b62a9fdf472338a615029597436a |
| SHA1 | f506beb4b861e06ba5b71b554ec718f41e7646a8 |
| SHA256 | 1af37b76f2218dff5871f5d4915ef5d95e81823312613d5015de09e59245a1b8 |
| SHA512 | 651c31b9838824a0d22fb23b8731e38b4830ac8fe1f99ca837239a2c72e5685aa6d54d567f52f3d1af078a8ea88bbc42e517419f0293d9114c1af0bbcc3c0cf1 |
memory/1036-66-0x0000000002046000-0x0000000002047000-memory.dmp
memory/1872-67-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1872-69-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1764-70-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1764-73-0x0000000000400000-0x0000000000458000-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 21:09
Reported
2022-02-22 21:24
Platform
win10v2004-en-20220113
Max time kernel
150s
Max time network
138s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4756 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 4756 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 4756 wrote to memory of 3636 | N/A | C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3636 wrote to memory of 1340 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 3636 wrote to memory of 1340 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.exe
"C:\Users\Admin\AppData\Local\Temp\0aa92ee64c4607e8c8c21151ee4c970f09309f27467cb6ba4e075084c3ccbbd8.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 | 20.42.65.85:443 | tcp | |
| US | 52.184.206.73:443 | tcp |