Analysis Overview
SHA256
b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4
Threat Level: Known bad
The file b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4 was found to be: Known bad.
Malicious Activity Summary
Hawkeye_reborn family
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-25 07:55
Signatures
Hawkeye_reborn family
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-25 07:55
Reported
2022-06-25 09:29
Platform
win10v2004-20220414-en
Max time kernel
162s
Max time network
189s
Command Line
Signatures
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 |
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 |
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 |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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 | bot.whatismyipaddress.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1760 set thread context of 4780 | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 1760 set thread context of 4872 | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| 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\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:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe
"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.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\tmp69D6.tmp"
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\tmp8463.tmp"
Network
| Country | Destination | Domain | Proto |
| NL | 88.221.144.179:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| US | 13.89.178.26:443 | tcp | |
| US | 8.8.8.8:53 | bot.whatismyipaddress.com | udp |
Files
memory/1760-130-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/1760-131-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/4780-133-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4780-135-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4780-132-0x0000000000000000-mapping.dmp
memory/4780-136-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4780-137-0x0000000000400000-0x000000000045C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp69D6.tmp
| MD5 | 92b3d04dbcf7aa8eabb0096c55624068 |
| SHA1 | 04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7 |
| SHA256 | 84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c |
| SHA512 | fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1 |
memory/4872-139-0x0000000000000000-mapping.dmp
memory/4872-140-0x0000000000400000-0x000000000041C000-memory.dmp
memory/4872-142-0x0000000000400000-0x000000000041C000-memory.dmp
memory/4872-143-0x0000000000400000-0x000000000041C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-25 07:55
Reported
2022-06-25 09:29
Platform
win7-20220414-en
Max time kernel
152s
Max time network
45s
Command Line
Signatures
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 |
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 |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2040 set thread context of 1120 | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2040 set thread context of 360 | N/A | C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.exe
"C:\Users\Admin\AppData\Local\Temp\b4cffae6b5eea5f24a5199d427bb913f4a17c9184a5f836646048e85dc2729f4.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\tmp3E97.tmp"
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\tmpE6D8.tmp"
Network
Files
memory/2040-54-0x0000000075841000-0x0000000075843000-memory.dmp
memory/2040-55-0x0000000074720000-0x0000000074CCB000-memory.dmp
memory/2040-56-0x0000000074720000-0x0000000074CCB000-memory.dmp
memory/1120-58-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-67-0x0000000000444D30-mapping.dmp
memory/1120-70-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-66-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-64-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-62-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-60-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-57-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-71-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1120-72-0x0000000000400000-0x000000000045C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3E97.tmp
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
memory/360-74-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-75-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-77-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-79-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-80-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-83-0x000000000041211A-mapping.dmp
memory/360-82-0x0000000000400000-0x000000000041C000-memory.dmp
memory/360-86-0x0000000000400000-0x000000000041C000-memory.dmp