Analysis Overview
SHA256
9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43
Threat Level: Known bad
The file vbc (2).exe.vir was found to be: Known bad.
Malicious Activity Summary
Xloader
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Xloader Payload
Executes dropped EXE
Reads user/profile data of web browsers
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-21 08:56
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-21 08:56
Reported
2022-06-21 08:58
Platform
win7-20220414-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Xloader Payload
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1980 set thread context of 1776 | N/A | C:\Users\Admin\AppData\Local\Temp\vbc (2).exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
| PID 1776 set thread context of 1352 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | C:\Windows\Explorer.EXE |
| PID 1776 set thread context of 1352 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | C:\Windows\Explorer.EXE |
| PID 608 set thread context of 1352 | N/A | C:\Windows\SysWOW64\cmstp.exe | C:\Windows\Explorer.EXE |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| 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\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\SysWOW64\cmstp.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmstp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\vbc (2).exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\cmstp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\vbc (2).exe
"C:\Users\Admin\AppData\Local\Temp\vbc (2).exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
C:\Windows\SysWOW64\timeout.exe
timeout 20
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.134.233:443 | cdn.discordapp.com | tcp |
| US | 8.8.8.8:53 | www.wona-nyc.com | udp |
| UA | 185.68.16.31:80 | www.wona-nyc.com | tcp |
| US | 8.8.8.8:53 | www.needel.online | udp |
| US | 209.17.116.163:80 | www.needel.online | tcp |
| US | 8.8.8.8:53 | www.cocovale.design | udp |
| US | 15.197.142.173:80 | www.cocovale.design | tcp |
| US | 8.8.8.8:53 | www.ojay.xyz | udp |
| US | 52.20.84.62:80 | www.ojay.xyz | tcp |
| US | 8.8.8.8:53 | www.mingoenterprises.net | udp |
| US | 8.8.8.8:53 | www.enoccomunicaciones.com | udp |
| US | 207.38.87.155:80 | www.enoccomunicaciones.com | tcp |
| US | 8.8.8.8:53 | www.weightin.gold | udp |
| US | 198.54.117.211:80 | www.weightin.gold | tcp |
| US | 8.8.8.8:53 | www.frontrangeimages.com | udp |
| US | 104.149.30.228:80 | www.frontrangeimages.com | tcp |
| US | 8.8.8.8:53 | www.frontporchbliss.com | udp |
| US | 108.156.60.50:80 | www.frontporchbliss.com | tcp |
| US | 8.8.8.8:53 | www.meditransit.net | udp |
| US | 75.2.115.196:80 | www.meditransit.net | tcp |
| US | 8.8.8.8:53 | www.hrkpacking.com | udp |
| US | 45.80.155.106:80 | www.hrkpacking.com | tcp |
| US | 8.8.8.8:53 | www.zlasher.store | udp |
| NL | 216.58.214.19:80 | www.zlasher.store | tcp |
| US | 8.8.8.8:53 | www.alphadegenclub.com | udp |
| US | 34.102.136.180:80 | www.alphadegenclub.com | tcp |
| US | 8.8.8.8:53 | www.lmwyldjkl2.top | udp |
Files
memory/1980-54-0x0000000000330000-0x0000000000350000-memory.dmp
memory/1980-55-0x0000000076C01000-0x0000000076C03000-memory.dmp
memory/1980-56-0x0000000005AD0000-0x0000000005BAA000-memory.dmp
memory/1980-57-0x0000000004230000-0x000000000427A000-memory.dmp
memory/1980-58-0x0000000004D10000-0x0000000004D5C000-memory.dmp
memory/2028-59-0x0000000000000000-mapping.dmp
memory/1760-60-0x0000000000000000-mapping.dmp
memory/1776-61-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1776-62-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1776-64-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1776-65-0x000000000041F260-mapping.dmp
memory/1776-67-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1776-68-0x00000000008F0000-0x0000000000BF3000-memory.dmp
memory/1776-69-0x0000000000180000-0x0000000000191000-memory.dmp
memory/1352-70-0x0000000004CC0000-0x0000000004D97000-memory.dmp
memory/1776-72-0x0000000000230000-0x0000000000241000-memory.dmp
memory/1352-73-0x0000000006810000-0x00000000068DE000-memory.dmp
memory/608-74-0x0000000000000000-mapping.dmp
memory/1776-75-0x0000000000400000-0x000000000042B000-memory.dmp
memory/608-77-0x0000000000990000-0x00000000009A8000-memory.dmp
memory/608-78-0x00000000000D0000-0x00000000000FB000-memory.dmp
memory/608-79-0x0000000002080000-0x0000000002383000-memory.dmp
memory/1480-80-0x0000000000000000-mapping.dmp
memory/608-81-0x0000000001DB0000-0x0000000001E40000-memory.dmp
memory/1352-82-0x0000000006A10000-0x0000000006AD7000-memory.dmp
memory/608-83-0x00000000000D0000-0x00000000000FB000-memory.dmp
memory/1352-84-0x0000000006A10000-0x0000000006AD7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-21 08:56
Reported
2022-06-21 08:58
Platform
win10v2004-20220414-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Xloader Payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Nut6hzlw\userlbopd.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\vbc (2).exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\mstsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SPKD8XQ8 = "C:\\Program Files (x86)\\Nut6hzlw\\userlbopd.exe" | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4308 set thread context of 236 | N/A | C:\Users\Admin\AppData\Local\Temp\vbc (2).exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
| PID 236 set thread context of 2156 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | C:\Windows\Explorer.EXE |
| PID 3300 set thread context of 2156 | N/A | C:\Windows\SysWOW64\mstsc.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Nut6hzlw\userlbopd.exe | C:\Windows\SysWOW64\mstsc.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Nut6hzlw | C:\Windows\Explorer.EXE | N/A |
| File created | C:\Program Files (x86)\Nut6hzlw\userlbopd.exe | C:\Windows\Explorer.EXE | N/A |
| File opened for modification | C:\Program Files (x86)\Nut6hzlw\userlbopd.exe | C:\Windows\Explorer.EXE | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: MapViewOfSection
| 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\v4.0.30319\InstallUtil.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\vbc (2).exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\vbc (2).exe
"C:\Users\Admin\AppData\Local\Temp\vbc (2).exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
C:\Windows\SysWOW64\timeout.exe
timeout 20
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
C:\Program Files (x86)\Nut6hzlw\userlbopd.exe
"C:\Program Files (x86)\Nut6hzlw\userlbopd.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.129.233:443 | cdn.discordapp.com | tcp |
| NL | 104.110.191.133:80 | tcp | |
| US | 20.189.173.2:443 | tcp | |
| US | 8.8.8.8:53 | www.zxlsn6.com | udp |
| HK | 154.80.146.211:80 | www.zxlsn6.com | tcp |
| US | 8.8.8.8:53 | www.ut1r92k4.xyz | udp |
| JP | 150.95.255.38:80 | www.ut1r92k4.xyz | tcp |
| US | 8.8.8.8:53 | www.bahamascargologistics.com | udp |
| US | 8.8.8.8:53 | www.enoccomunicaciones.com | udp |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| US | 207.38.87.155:80 | www.enoccomunicaciones.com | tcp |
| US | 8.8.8.8:53 | www.etsportscenter.net | udp |
| CA | 23.227.38.74:80 | www.etsportscenter.net | tcp |
| US | 8.8.8.8:53 | www.wona-nyc.com | udp |
| UA | 185.68.16.31:80 | www.wona-nyc.com | tcp |
| US | 8.8.8.8:53 | www.easeupp.com | udp |
| US | 8.8.8.8:53 | www.visionsbeyondthelight.com | udp |
| US | 34.102.136.180:80 | www.visionsbeyondthelight.com | tcp |
| US | 8.8.8.8:53 | www.frontporchbliss.com | udp |
| US | 108.156.60.95:80 | www.frontporchbliss.com | tcp |
| US | 8.8.8.8:53 | www.supertiresandwheels.com | udp |
| IE | 34.242.161.146:80 | www.supertiresandwheels.com | tcp |
| US | 8.8.8.8:53 | www.silvermilecap.com | udp |
| IN | 169.148.148.133:80 | www.silvermilecap.com | tcp |
| US | 8.8.8.8:53 | www.click-tokens.com | udp |
| US | 66.29.142.85:80 | www.click-tokens.com | tcp |
| US | 8.8.8.8:53 | www.selfplce.com | udp |
| CA | 23.227.38.74:80 | www.selfplce.com | tcp |
| CA | 23.227.38.74:80 | www.selfplce.com | tcp |
| CA | 23.227.38.74:80 | www.selfplce.com | tcp |
| US | 8.8.8.8:53 | www.weightin.gold | udp |
| US | 198.54.117.216:80 | www.weightin.gold | tcp |
| US | 198.54.117.216:80 | www.weightin.gold | tcp |
| US | 198.54.117.216:80 | www.weightin.gold | tcp |
| US | 8.8.8.8:53 | www.enhandednice.com | udp |
| US | 18.217.107.127:80 | www.enhandednice.com | tcp |
| US | 18.217.107.127:80 | www.enhandednice.com | tcp |
| US | 18.217.107.127:80 | www.enhandednice.com | tcp |
| US | 8.8.8.8:53 | www.blackoakssavannah.com | udp |
| JP | 150.95.255.38:80 | tcp | |
| JP | 150.95.255.38:80 | tcp |
Files
memory/4308-133-0x0000000000DC0000-0x0000000000DE0000-memory.dmp
memory/4308-134-0x0000000005D70000-0x0000000006314000-memory.dmp
memory/4308-135-0x00000000057C0000-0x0000000005836000-memory.dmp
memory/4308-136-0x0000000006CA0000-0x0000000006CBE000-memory.dmp
memory/1960-137-0x0000000000000000-mapping.dmp
memory/4144-138-0x0000000000000000-mapping.dmp
memory/4308-139-0x0000000007090000-0x0000000007122000-memory.dmp
memory/236-140-0x0000000000000000-mapping.dmp
memory/236-141-0x0000000000400000-0x000000000042B000-memory.dmp
memory/236-143-0x00000000019A0000-0x0000000001CEA000-memory.dmp
memory/236-144-0x0000000001960000-0x0000000001971000-memory.dmp
memory/2156-145-0x0000000002F60000-0x000000000303A000-memory.dmp
memory/3300-146-0x0000000000000000-mapping.dmp
memory/236-147-0x0000000000400000-0x000000000042B000-memory.dmp
memory/3300-148-0x0000000000950000-0x0000000000A8A000-memory.dmp
memory/3300-149-0x0000000000560000-0x000000000058B000-memory.dmp
memory/3300-150-0x00000000028F0000-0x0000000002C3A000-memory.dmp
memory/3768-151-0x0000000000000000-mapping.dmp
memory/3300-152-0x0000000002680000-0x0000000002710000-memory.dmp
memory/2156-153-0x0000000007DC0000-0x0000000007EBA000-memory.dmp
memory/3300-154-0x0000000000560000-0x000000000058B000-memory.dmp
memory/2156-155-0x0000000007DC0000-0x0000000007EBA000-memory.dmp
memory/4884-156-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | b608d407fc15adea97c26936bc6f03f6 |
| SHA1 | 953e7420801c76393902c0d6bb56148947e41571 |
| SHA256 | b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf |
| SHA512 | cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4 |
memory/840-158-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | 349e6eb110e34a08924d92f6b334801d |
| SHA1 | bdfb289daff51890cc71697b6322aa4b35ec9169 |
| SHA256 | c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a |
| SHA512 | 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574 |
memory/5012-160-0x0000000000000000-mapping.dmp
C:\Program Files (x86)\Nut6hzlw\userlbopd.exe
| MD5 | 5d4073b2eb6d217c19f2b22f21bf8d57 |
| SHA1 | f0209900fbf08d004b886a0b3ba33ea2b0bf9da8 |
| SHA256 | ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3 |
| SHA512 | 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159 |
C:\Program Files (x86)\Nut6hzlw\userlbopd.exe
| MD5 | 5d4073b2eb6d217c19f2b22f21bf8d57 |
| SHA1 | f0209900fbf08d004b886a0b3ba33ea2b0bf9da8 |
| SHA256 | ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3 |
| SHA512 | 9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159 |
memory/5012-163-0x0000000000630000-0x000000000063C000-memory.dmp
memory/5012-164-0x0000000004DC0000-0x0000000004DDA000-memory.dmp