Analysis Overview
SHA256
d3e1f8976989cf8958175c3ee585942c432312c1e08b5eb7708bbfb5cce8eae3
Threat Level: Known bad
The file 0c1d4d781135561e1acf61ecd5c6858b was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Xloader Payload
Executes dropped EXE
Adds policy Run key to start application
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-16 09:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 09:50
Reported
2022-06-16 09:54
Platform
win7-20220414-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Formbook
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 |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\X8TPCRW06DID = "C:\\Program Files (x86)\\L2dm\\gdiox4xdxd0.exe" | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1948 set thread context of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 1456 set thread context of 1368 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 1124 set thread context of 1368 | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\L2dm\gdiox4xdxd0.exe | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\NAPSTAT.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\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\NAPSTAT.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | 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\SR20220600525003,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.blizzardboy.net | udp |
| US | 204.188.203.155:80 | www.blizzardboy.net | tcp |
| US | 8.8.8.8:53 | www.wbclips.com | udp |
| US | 8.8.8.8:53 | www.dacdem.com | udp |
| US | 8.8.8.8:53 | www.dinotacker.com | udp |
| US | 199.59.243.220:80 | www.dinotacker.com | tcp |
| US | 8.8.8.8:53 | www.nuoicaymosaigon.com | udp |
| ID | 43.255.154.113:80 | www.nuoicaymosaigon.com | tcp |
| US | 8.8.8.8:53 | www.0571kt.net | udp |
| HK | 122.10.27.133:80 | www.0571kt.net | tcp |
| US | 8.8.8.8:53 | www.ufc188livestreamfree.com | udp |
| US | 172.67.169.39:80 | www.ufc188livestreamfree.com | tcp |
| US | 8.8.8.8:53 | www.momentums6.com | udp |
| US | 199.192.20.96:80 | www.momentums6.com | tcp |
| US | 8.8.8.8:53 | www.zootowngravel.com | udp |
| US | 8.8.8.8:53 | www.davegwatkin.com | udp |
| US | 8.8.8.8:53 | www.yaoih.com | udp |
| HK | 45.199.116.81:80 | www.yaoih.com | tcp |
| HK | 45.199.116.81:80 | www.yaoih.com | tcp |
| US | 8.8.8.8:53 | www.secure-remove-devices.com | udp |
| US | 8.8.8.8:53 | www.secure-remove-devices.com | udp |
| US | 8.8.8.8:53 | www.medifasttrd.com | udp |
| US | 34.102.136.180:80 | www.medifasttrd.com | tcp |
| US | 34.102.136.180:80 | www.medifasttrd.com | tcp |
| US | 8.8.8.8:53 | www.urbanartco.com | udp |
| US | 18.119.154.66:80 | www.urbanartco.com | tcp |
| US | 18.119.154.66:80 | www.urbanartco.com | tcp |
Files
memory/1948-54-0x0000000000CB0000-0x0000000000CEC000-memory.dmp
memory/1948-55-0x00000000001F0000-0x0000000000224000-memory.dmp
memory/1456-56-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1456-57-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1456-59-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1456-60-0x000000000041F2C0-mapping.dmp
memory/1456-61-0x0000000000AC0000-0x0000000000DC3000-memory.dmp
memory/1456-63-0x0000000000190000-0x00000000001A1000-memory.dmp
memory/1368-64-0x0000000006480000-0x0000000006583000-memory.dmp
memory/1124-65-0x0000000000000000-mapping.dmp
memory/1456-66-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1084-67-0x0000000000000000-mapping.dmp
memory/1124-68-0x0000000000B90000-0x0000000000BD6000-memory.dmp
memory/1124-69-0x0000000000080000-0x00000000000AB000-memory.dmp
memory/1124-70-0x0000000002170000-0x0000000002473000-memory.dmp
memory/1124-71-0x00000000008D0000-0x0000000000960000-memory.dmp
memory/1368-72-0x0000000004940000-0x00000000049EE000-memory.dmp
memory/1124-73-0x0000000000080000-0x00000000000AB000-memory.dmp
memory/1368-74-0x0000000004940000-0x00000000049EE000-memory.dmp
memory/1124-75-0x0000000076571000-0x0000000076573000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 09:50
Reported
2022-06-16 09:54
Platform
win10v2004-20220414-en
Max time kernel
150s
Max time network
152s
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)\Hv6x8f\mfcqfsdlb.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\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TX4TTXRPSD = "C:\\Program Files (x86)\\Hv6x8f\\mfcqfsdlb.exe" | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4116 set thread context of 1516 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 1516 set thread context of 1032 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 3008 set thread context of 1032 | N/A | C:\Windows\SysWOW64\explorer.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe | C:\Windows\SysWOW64\explorer.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Hv6x8f | C:\Windows\Explorer.EXE | N/A |
| File created | C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe | C:\Windows\Explorer.EXE | N/A |
| File opened for modification | C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe | C:\Windows\Explorer.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\explorer.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\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\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 |
| 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\SR20220600525003,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.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)\Hv6x8f\mfcqfsdlb.exe
"C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 104.97.14.81:80 | tcp | |
| NL | 52.178.17.2:443 | tcp | |
| US | 8.8.8.8:53 | www.nuoicaymosaigon.com | udp |
| ID | 43.255.154.113:80 | www.nuoicaymosaigon.com | tcp |
| US | 8.8.8.8:53 | www.hawaiipooltiles.com | udp |
| US | 199.15.163.138:80 | www.hawaiipooltiles.com | tcp |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 8.8.8.8:53 | www.distritoxermar.com | udp |
| HK | 168.76.184.139:80 | www.distritoxermar.com | tcp |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.24.243:80 | tcp | |
| NL | 104.123.41.162:80 | tcp | |
| US | 8.8.8.8:53 | www.travelnurseinfofinder3.life | udp |
| US | 188.114.96.0:80 | www.travelnurseinfofinder3.life | tcp |
| US | 8.8.8.8:53 | www.blizzardboy.net | udp |
| US | 204.188.203.155:80 | www.blizzardboy.net | tcp |
| US | 8.8.8.8:53 | www.ecotone-os.xyz | udp |
| US | 44.227.65.245:80 | www.ecotone-os.xyz | tcp |
| US | 8.8.8.8:53 | www.gndgame.info | udp |
| US | 208.91.197.27:80 | www.gndgame.info | tcp |
| US | 8.8.8.8:53 | www.ufc188livestreamfree.com | udp |
| US | 104.21.95.15:80 | www.ufc188livestreamfree.com | tcp |
| US | 8.8.8.8:53 | www.session.care | udp |
| GB | 109.228.34.60:80 | www.session.care | tcp |
| US | 8.8.8.8:53 | www.momentums6.com | udp |
| US | 199.192.20.96:80 | www.momentums6.com | tcp |
| US | 8.8.8.8:53 | www.electricbike.energy | udp |
| US | 8.8.8.8:53 | www.mjuelaw.com | udp |
| US | 23.228.97.8:80 | www.mjuelaw.com | tcp |
| US | 23.228.97.8:80 | www.mjuelaw.com | tcp |
| US | 23.228.97.8:80 | www.mjuelaw.com | tcp |
| US | 8.8.8.8:53 | www.pjhxsl.com | udp |
| CN | 23.251.62.137:80 | www.pjhxsl.com | tcp |
| CN | 23.251.62.137:80 | www.pjhxsl.com | tcp |
| CN | 23.251.62.137:80 | www.pjhxsl.com | tcp |
| US | 8.8.8.8:53 | www.dacdem.com | udp |
| US | 8.8.8.8:53 | www.biworker.com | udp |
| HK | 154.88.73.247:80 | www.biworker.com | tcp |
| HK | 154.88.73.247:80 | www.biworker.com | tcp |
| HK | 154.88.73.247:80 | www.biworker.com | tcp |
| US | 8.8.8.8:53 | www.nextr.xyz | udp |
| DE | 3.64.163.50:80 | www.nextr.xyz | tcp |
Files
memory/4116-130-0x0000000000A20000-0x0000000000A5C000-memory.dmp
memory/1516-131-0x0000000000000000-mapping.dmp
memory/1516-132-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1516-134-0x0000000001500000-0x000000000184A000-memory.dmp
memory/1516-135-0x00000000013B0000-0x00000000013C1000-memory.dmp
memory/1032-136-0x0000000003160000-0x000000000328D000-memory.dmp
memory/3008-137-0x0000000000000000-mapping.dmp
memory/1516-138-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4388-139-0x0000000000000000-mapping.dmp
memory/3008-141-0x0000000000E00000-0x0000000000E2B000-memory.dmp
memory/3008-140-0x0000000000EE0000-0x0000000001313000-memory.dmp
memory/3008-142-0x00000000032A0000-0x00000000035EA000-memory.dmp
memory/1032-144-0x0000000008350000-0x0000000008443000-memory.dmp
memory/3008-143-0x0000000003000000-0x0000000003090000-memory.dmp
memory/3008-145-0x0000000000E00000-0x0000000000E2B000-memory.dmp
memory/1032-146-0x0000000008350000-0x0000000008443000-memory.dmp
memory/2888-147-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | b608d407fc15adea97c26936bc6f03f6 |
| SHA1 | 953e7420801c76393902c0d6bb56148947e41571 |
| SHA256 | b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf |
| SHA512 | cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4 |
memory/4152-149-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | 349e6eb110e34a08924d92f6b334801d |
| SHA1 | bdfb289daff51890cc71697b6322aa4b35ec9169 |
| SHA256 | c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a |
| SHA512 | 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574 |
memory/1140-151-0x0000000000000000-mapping.dmp
C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe
| MD5 | 70d838a7dc5b359c3f938a71fad77db0 |
| SHA1 | 66b83eb16481c334719eed406bc58a3c2b910923 |
| SHA256 | e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea |
| SHA512 | 9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034 |
C:\Program Files (x86)\Hv6x8f\mfcqfsdlb.exe
| MD5 | 70d838a7dc5b359c3f938a71fad77db0 |
| SHA1 | 66b83eb16481c334719eed406bc58a3c2b910923 |
| SHA256 | e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea |
| SHA512 | 9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034 |