Analysis Overview
SHA256
e1295b6330ef7654ed83fdc710db9670b301b474560260327363dd4707bac7e4
Threat Level: Known bad
The file 3f7fd413022c76043e7bb237ea3db0e3 was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (GET)
Xloader
Formbook
Xloader Payload
Executes dropped EXE
Adds policy Run key to start application
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Drops file in Program Files directory
N/A.
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-16 09:43
Signatures
N/A.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 09:43
Reported
2022-06-16 09:48
Platform
win7-20220414-en
Max time kernel
147s
Max time network
155s
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 |
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\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XZKDV0Q8WR = "C:\\Program Files (x86)\\Mkv1hb\\update1b7p.exe" | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 824 set thread context of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 1328 set thread context of 1356 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 2032 set thread context of 1356 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Mkv1hb\update1b7p.exe | C:\Windows\SysWOW64\svchost.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\svchost.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\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.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\svchost.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\svchost.exe
"C:\Windows\SysWOW64\svchost.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.ebwagner.com | udp |
| US | 198.54.117.210:80 | www.ebwagner.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.xdk0blc0tqy6a7.life | udp |
| US | 216.18.208.202:80 | www.xdk0blc0tqy6a7.life | tcp |
| US | 216.18.208.202:80 | www.xdk0blc0tqy6a7.life | tcp |
| US | 8.8.8.8:53 | www.banlyeojob.com | udp |
| KR | 222.122.118.13:80 | www.banlyeojob.com | tcp |
| KR | 222.122.118.13:80 | www.banlyeojob.com | tcp |
| 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 | 8.8.8.8:53 | www.www112casinova.com | udp |
| US | 8.8.8.8:53 | www.peacockgotv.com | udp |
| US | 192.187.111.222:80 | www.peacockgotv.com | tcp |
| US | 192.187.111.222:80 | www.peacockgotv.com | tcp |
| US | 8.8.8.8:53 | www.mutinybrewworks.com | udp |
| DE | 3.64.163.50:80 | www.mutinybrewworks.com | tcp |
| DE | 3.64.163.50:80 | www.mutinybrewworks.com | tcp |
| US | 8.8.8.8:53 | www.ryliehorrall.art | udp |
| NL | 142.250.179.147:80 | www.ryliehorrall.art | tcp |
| NL | 142.250.179.147:80 | www.ryliehorrall.art | tcp |
| US | 8.8.8.8:53 | www.kreditkarten-optionde.com | udp |
| DE | 185.53.179.94:80 | www.kreditkarten-optionde.com | tcp |
| DE | 185.53.179.94:80 | www.kreditkarten-optionde.com | tcp |
| US | 8.8.8.8:53 | www.gndgame.info | udp |
| US | 208.91.197.27:80 | www.gndgame.info | tcp |
| US | 208.91.197.27:80 | www.gndgame.info | tcp |
| US | 8.8.8.8:53 | www.bidvastil.com | udp |
| US | 8.8.8.8:53 | www.blizzardboy.net | udp |
| US | 107.161.23.204:80 | www.blizzardboy.net | tcp |
| US | 107.161.23.204:80 | www.blizzardboy.net | tcp |
Files
memory/824-54-0x0000000001240000-0x000000000127C000-memory.dmp
memory/824-55-0x0000000000550000-0x0000000000584000-memory.dmp
memory/1328-56-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1328-57-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1328-60-0x000000000041F2C0-mapping.dmp
memory/1328-59-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1328-61-0x0000000000C10000-0x0000000000F13000-memory.dmp
memory/1328-63-0x0000000000160000-0x0000000000171000-memory.dmp
memory/1356-64-0x0000000006AE0000-0x0000000006BF4000-memory.dmp
memory/2032-65-0x0000000000000000-mapping.dmp
memory/1328-66-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1168-67-0x0000000000000000-mapping.dmp
memory/2032-68-0x0000000000590000-0x0000000000598000-memory.dmp
memory/2032-69-0x0000000000A80000-0x0000000000D83000-memory.dmp
memory/2032-70-0x0000000000080000-0x00000000000AB000-memory.dmp
memory/2032-71-0x00000000005A0000-0x0000000000630000-memory.dmp
memory/1356-72-0x0000000006D70000-0x0000000006EF8000-memory.dmp
memory/1356-73-0x0000000006D70000-0x0000000006EF8000-memory.dmp
memory/2032-74-0x00000000762C1000-0x00000000762C3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 09:43
Reported
2022-06-16 09:48
Platform
win10v2004-20220414-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
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 |
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\control.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\A4Q8FTBPSF9 = "C:\\Program Files (x86)\\Adhkdulo\\ThumbCacheht2tb2e.exe" | C:\Windows\SysWOW64\control.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4324 set thread context of 4784 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 4784 set thread context of 2092 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 2156 set thread context of 2092 | N/A | C:\Windows\SysWOW64\control.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe | C:\Windows\Explorer.EXE | N/A |
| File opened for modification | C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe | C:\Windows\SysWOW64\control.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Adhkdulo | C:\Windows\Explorer.EXE | N/A |
| File created | C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.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\control.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\control.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\control.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\control.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\control.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\control.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\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.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)\Adhkdulo\ThumbCacheht2tb2e.exe
"C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.12:443 | tcp | |
| US | 67.24.25.254:80 | tcp | |
| US | 8.238.20.126:80 | tcp | |
| US | 8.238.20.126:80 | tcp | |
| US | 8.238.20.126:80 | tcp | |
| US | 8.8.8.8:53 | www.wbclips.com | udp |
| US | 8.8.8.8:53 | www.ecotone-os.xyz | udp |
| US | 44.227.76.166:80 | www.ecotone-os.xyz | tcp |
| US | 8.8.8.8:53 | www.blizzardboy.net | udp |
| US | 64.32.22.102:80 | www.blizzardboy.net | tcp |
| US | 8.8.8.8:53 | www.accordingtopreston.com | udp |
| US | 34.102.136.180:80 | www.accordingtopreston.com | tcp |
| US | 8.8.8.8:53 | www.buildlimitlesswealth.com | udp |
| US | 34.202.63.170:80 | www.buildlimitlesswealth.com | 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.urbanartco.com | udp |
| US | 3.18.7.81:80 | www.urbanartco.com | tcp |
| 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.tasteatlus.com | udp |
| US | 170.178.168.203:80 | www.tasteatlus.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.totalvirtue.com | udp |
| US | 13.56.33.8:80 | www.totalvirtue.com | tcp |
| US | 13.56.33.8:80 | www.totalvirtue.com | tcp |
| US | 13.56.33.8:80 | www.totalvirtue.com | tcp |
| US | 8.8.8.8:53 | www.session.care | udp |
| GB | 109.228.34.60:80 | www.session.care | tcp |
| GB | 109.228.34.60:80 | www.session.care | tcp |
| GB | 109.228.34.60:80 | www.session.care | tcp |
| US | 8.8.8.8:53 | www.drecibo.com | udp |
| US | 31.170.160.68:80 | www.drecibo.com | tcp |
| US | 31.170.160.68:80 | www.drecibo.com | tcp |
| US | 31.170.160.68:80 | www.drecibo.com | tcp |
| US | 8.8.8.8:53 | www.admissium.com | udp |
| IN | 103.171.45.241:80 | www.admissium.com | tcp |
| IN | 103.171.45.241:80 | www.admissium.com | tcp |
| IN | 103.171.45.241:80 | www.admissium.com | tcp |
| US | 8.8.8.8:53 | www.stilghar.com | udp |
| US | 107.149.171.102:80 | www.stilghar.com | tcp |
| US | 107.149.171.102:80 | www.stilghar.com | tcp |
| US | 107.149.171.102:80 | www.stilghar.com | tcp |
| US | 8.8.8.8:53 | www.electricbike.energy | udp |
Files
memory/4324-130-0x0000000000640000-0x000000000067C000-memory.dmp
memory/4788-131-0x0000000000000000-mapping.dmp
memory/4784-132-0x0000000000000000-mapping.dmp
memory/4784-133-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4784-135-0x0000000000400000-0x000000000042B000-memory.dmp
memory/4784-136-0x0000000001A50000-0x0000000001D9A000-memory.dmp
memory/4784-137-0x0000000001420000-0x0000000001431000-memory.dmp
memory/2092-138-0x00000000077F0000-0x000000000791A000-memory.dmp
memory/2156-139-0x0000000000000000-mapping.dmp
memory/2156-141-0x0000000000BC0000-0x0000000000BEB000-memory.dmp
memory/2156-140-0x00000000005B0000-0x00000000005D7000-memory.dmp
memory/32-142-0x0000000000000000-mapping.dmp
memory/2156-143-0x0000000002D40000-0x000000000308A000-memory.dmp
memory/2156-144-0x0000000002AD0000-0x0000000002B60000-memory.dmp
memory/2156-145-0x0000000000BC0000-0x0000000000BEB000-memory.dmp
memory/2092-146-0x0000000007920000-0x0000000007AA9000-memory.dmp
memory/2092-147-0x0000000007920000-0x0000000007AA9000-memory.dmp
memory/5076-148-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | b608d407fc15adea97c26936bc6f03f6 |
| SHA1 | 953e7420801c76393902c0d6bb56148947e41571 |
| SHA256 | b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf |
| SHA512 | cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4 |
memory/4780-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | 349e6eb110e34a08924d92f6b334801d |
| SHA1 | bdfb289daff51890cc71697b6322aa4b35ec9169 |
| SHA256 | c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a |
| SHA512 | 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574 |
C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe
| MD5 | 70d838a7dc5b359c3f938a71fad77db0 |
| SHA1 | 66b83eb16481c334719eed406bc58a3c2b910923 |
| SHA256 | e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea |
| SHA512 | 9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034 |
memory/1836-152-0x0000000000000000-mapping.dmp
C:\Program Files (x86)\Adhkdulo\ThumbCacheht2tb2e.exe
| MD5 | 70d838a7dc5b359c3f938a71fad77db0 |
| SHA1 | 66b83eb16481c334719eed406bc58a3c2b910923 |
| SHA256 | e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea |
| SHA512 | 9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034 |