Analysis Overview
SHA256
c6db7d2fc0e53822804c16f53d27df0fb122900f6b8970427d9b656e3cb8c50a
Threat Level: Known bad
The file 8c74a278883b637ef7375e3a215739d0 was found to be: Known bad.
Malicious Activity Summary
Xloader
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Xloader Payload
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
N/A.
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-16 09:49
Signatures
N/A.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 09:49
Reported
2022-06-16 09:52
Platform
win7-20220414-en
Max time kernel
151s
Max time network
136s
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\wininit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MRZPSJ78QZ = "C:\\Program Files (x86)\\V1b0x\\certmgrk6qliv8.exe" | C:\Windows\SysWOW64\wininit.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 284 set thread context of 1500 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 1500 set thread context of 1300 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 1980 set thread context of 1300 | N/A | C:\Windows\SysWOW64\wininit.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\V1b0x\certmgrk6qliv8.exe | C:\Windows\SysWOW64\wininit.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\wininit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.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\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.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\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wininit.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\wininit.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\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.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 | 192.161.187.200:80 | www.blizzardboy.net | tcp |
| US | 8.8.8.8:53 | www.ryliehorrall.art | udp |
| NL | 142.250.179.147:80 | www.ryliehorrall.art | tcp |
| US | 8.8.8.8:53 | www.electricbike.energy | udp |
| 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.arcwarp.com | udp |
| US | 188.114.96.0:80 | www.arcwarp.com | tcp |
| US | 8.8.8.8:53 | www.sejintech.net | udp |
| KR | 121.254.178.253:80 | www.sejintech.net | 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.ecotone-os.xyz | udp |
| US | 44.227.65.245:80 | www.ecotone-os.xyz | tcp |
| US | 8.8.8.8:53 | www.biworker.com | udp |
| HK | 154.88.73.247:80 | www.biworker.com | tcp |
| US | 8.8.8.8:53 | www.saulomar.com | udp |
| 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.fuerst-von-falkennest.com | udp |
| US | 66.96.163.139:80 | www.fuerst-von-falkennest.com | tcp |
| US | 8.8.8.8:53 | www.momentums6.com | udp |
| US | 199.192.20.96:80 | www.momentums6.com | tcp |
Files
memory/284-54-0x0000000001050000-0x000000000108C000-memory.dmp
memory/284-55-0x00000000002A0000-0x00000000002D4000-memory.dmp
memory/1500-56-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1500-57-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1500-59-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1500-60-0x000000000041F2C0-mapping.dmp
memory/1500-62-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1500-63-0x0000000000D00000-0x0000000001003000-memory.dmp
memory/1500-64-0x0000000000140000-0x0000000000151000-memory.dmp
memory/1300-65-0x0000000006EE0000-0x0000000006FEB000-memory.dmp
memory/1980-66-0x0000000000000000-mapping.dmp
memory/1956-67-0x0000000000000000-mapping.dmp
memory/1980-68-0x0000000000380000-0x000000000039A000-memory.dmp
memory/1980-69-0x00000000000C0000-0x00000000000EB000-memory.dmp
memory/1980-70-0x0000000001F60000-0x0000000002263000-memory.dmp
memory/1980-71-0x0000000001D90000-0x0000000001E20000-memory.dmp
memory/1300-72-0x00000000042A0000-0x0000000004355000-memory.dmp
memory/1980-73-0x00000000000C0000-0x00000000000EB000-memory.dmp
memory/1300-74-0x00000000042A0000-0x0000000004355000-memory.dmp
memory/1980-75-0x00000000763E1000-0x00000000763E3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 09:49
Reported
2022-06-16 09:52
Platform
win10v2004-20220414-en
Max time kernel
155s
Max time network
162s
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 |
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\netsh.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RPIHBNIXMR = "C:\\Program Files (x86)\\Cwr2duf\\ybf4whjo0r.exe" | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4116 set thread context of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe |
| PID 1196 set thread context of 2084 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe | C:\Windows\Explorer.EXE |
| PID 1836 set thread context of 2084 | N/A | C:\Windows\SysWOW64\netsh.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Cwr2duf\ybf4whjo0r.exe | C:\Windows\SysWOW64\netsh.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\netsh.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\netsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\netsh.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\netsh.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\netsh.exe
"C:\Windows\SysWOW64\netsh.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"
Network
| Country | Destination | Domain | Proto |
| JP | 40.74.98.195:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 15.89.54.20.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | www.totalvirtue.com | udp |
| US | 13.56.33.8:80 | www.totalvirtue.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.buildlimitlesswealth.com | udp |
| US | 34.202.63.170:80 | www.buildlimitlesswealth.com | tcp |
| US | 34.202.63.170:80 | www.buildlimitlesswealth.com | tcp |
| US | 34.202.63.170:80 | www.buildlimitlesswealth.com | tcp |
| US | 8.8.8.8:53 | www.dacdem.com | udp |
| US | 8.8.8.8:53 | www.albertakleekai.com | udp |
| US | 170.130.144.168:80 | www.albertakleekai.com | tcp |
| US | 170.130.144.168:80 | www.albertakleekai.com | tcp |
| US | 170.130.144.168:80 | www.albertakleekai.com | tcp |
| US | 8.8.8.8:53 | www.wbclips.com | udp |
| US | 8.8.8.8:53 | www.accordingtopreston.com | udp |
| US | 34.102.136.180:80 | www.accordingtopreston.com | tcp |
| US | 34.102.136.180:80 | www.accordingtopreston.com | tcp |
| US | 34.102.136.180:80 | www.accordingtopreston.com | tcp |
| US | 8.8.8.8:53 | www.fuerst-von-falkennest.com | udp |
| US | 66.96.163.139:80 | www.fuerst-von-falkennest.com | tcp |
| US | 66.96.163.139:80 | www.fuerst-von-falkennest.com | tcp |
| US | 66.96.163.139:80 | www.fuerst-von-falkennest.com | tcp |
| US | 8.8.8.8:53 | www.chooox.com | udp |
| US | 151.101.0.119:80 | www.chooox.com | tcp |
| US | 151.101.0.119:80 | www.chooox.com | tcp |
| US | 151.101.0.119:80 | www.chooox.com | tcp |
| US | 8.8.8.8:53 | www.www112casinova.com | udp |
| US | 8.8.8.8:53 | www.nuoicaymosaigon.com | udp |
| ID | 43.255.154.113:80 | www.nuoicaymosaigon.com | tcp |
| ID | 43.255.154.113:80 | www.nuoicaymosaigon.com | tcp |
| ID | 43.255.154.113:80 | www.nuoicaymosaigon.com | tcp |
| US | 8.8.8.8:53 | www.blizzardboy.net | udp |
| US | 192.161.187.200:80 | www.blizzardboy.net | tcp |
| US | 192.161.187.200:80 | www.blizzardboy.net | tcp |
| US | 192.161.187.200:80 | www.blizzardboy.net | tcp |
| US | 8.8.8.8:53 | www.atmworldexpo.com | udp |
| US | 172.120.66.69:80 | www.atmworldexpo.com | tcp |
| US | 172.120.66.69:80 | www.atmworldexpo.com | tcp |
| US | 172.120.66.69:80 | www.atmworldexpo.com | tcp |
Files
memory/4116-130-0x0000000000100000-0x000000000013C000-memory.dmp
memory/1196-131-0x0000000000000000-mapping.dmp
memory/1196-132-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1196-134-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1196-135-0x0000000001930000-0x0000000001C7A000-memory.dmp
memory/1196-136-0x00000000018E0000-0x00000000018F1000-memory.dmp
memory/2084-137-0x0000000008780000-0x0000000008917000-memory.dmp
memory/1836-138-0x0000000000000000-mapping.dmp
memory/1836-140-0x00000000009C0000-0x00000000009EB000-memory.dmp
memory/1836-139-0x0000000001720000-0x000000000173E000-memory.dmp
memory/2816-141-0x0000000000000000-mapping.dmp
memory/1836-142-0x00000000012C0000-0x000000000160A000-memory.dmp
memory/2084-143-0x0000000008780000-0x0000000008917000-memory.dmp
memory/1836-144-0x00000000009C0000-0x00000000009EB000-memory.dmp
memory/1836-145-0x00000000010E0000-0x0000000001170000-memory.dmp
memory/2084-146-0x00000000084F0000-0x0000000008613000-memory.dmp
memory/2084-147-0x00000000084F0000-0x0000000008613000-memory.dmp
memory/648-148-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | b608d407fc15adea97c26936bc6f03f6 |
| SHA1 | 953e7420801c76393902c0d6bb56148947e41571 |
| SHA256 | b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf |
| SHA512 | cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4 |
memory/2204-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\DB1
| MD5 | 349e6eb110e34a08924d92f6b334801d |
| SHA1 | bdfb289daff51890cc71697b6322aa4b35ec9169 |
| SHA256 | c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a |
| SHA512 | 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574 |