Analysis Overview
SHA256
a3a993c23a06d2bacbe059fff674ec44672b09ed32e3bc2b69513f4d3b077081
Threat Level: Known bad
The file a3a993c23a06d2bacbe059fff674ec44672b09ed32e3bc2b69513f4d3b077081 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-21 19:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-21 19:44
Reported
2024-05-21 19:46
Platform
win7-20240508-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\boostisvc.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecision = "0" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\0a-79-9a-29-cf-db | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecisionReason = "1" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDetectedUrl | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737} | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecisionTime = e00c254fb7abda01 | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecisionTime = e00c254fb7abda01 | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecision = "0" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f002a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\boostisvc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\boostisvc.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1868 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1868 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1868 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 1868 wrote to memory of 2348 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 2848 wrote to memory of 2776 | N/A | C:\Windows\SysWOW64\boostisvc.exe | C:\Windows\SysWOW64\boostisvc.exe |
| PID 2848 wrote to memory of 2776 | N/A | C:\Windows\SysWOW64\boostisvc.exe | C:\Windows\SysWOW64\boostisvc.exe |
| PID 2848 wrote to memory of 2776 | N/A | C:\Windows\SysWOW64\boostisvc.exe | C:\Windows\SysWOW64\boostisvc.exe |
| PID 2848 wrote to memory of 2776 | N/A | C:\Windows\SysWOW64\boostisvc.exe | C:\Windows\SysWOW64\boostisvc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Windows\SysWOW64\boostisvc.exe
"C:\Windows\SysWOW64\boostisvc.exe"
C:\Windows\SysWOW64\boostisvc.exe
"C:\Windows\SysWOW64\boostisvc.exe"
Network
| Country | Destination | Domain | Proto |
| IE | 213.79.36.67:80 | tcp | |
| IE | 213.79.36.67:80 | tcp | |
| US | 24.90.102.247:443 | tcp | |
| US | 24.90.102.247:443 | tcp | |
| MX | 189.250.174.245:7080 | tcp | |
| MX | 189.250.174.245:7080 | tcp | |
| US | 199.38.204.218:80 | tcp |
Files
memory/1868-5-0x00000000003C0000-0x00000000003D6000-memory.dmp
memory/1868-1-0x00000000003C0000-0x00000000003D6000-memory.dmp
memory/1868-7-0x00000000003E0000-0x00000000003F0000-memory.dmp
memory/1868-6-0x00000000003A0000-0x00000000003B6000-memory.dmp
memory/2348-9-0x0000000000390000-0x00000000003A6000-memory.dmp
memory/2348-15-0x00000000003B0000-0x00000000003C0000-memory.dmp
memory/2348-14-0x0000000000370000-0x0000000000386000-memory.dmp
memory/2348-13-0x0000000000390000-0x00000000003A6000-memory.dmp
memory/2848-21-0x00000000003A0000-0x00000000003B6000-memory.dmp
memory/2848-17-0x00000000003A0000-0x00000000003B6000-memory.dmp
memory/2848-22-0x0000000000380000-0x0000000000396000-memory.dmp
memory/2848-23-0x0000000000360000-0x0000000000370000-memory.dmp
memory/2776-31-0x00000000005D0000-0x00000000005E0000-memory.dmp
memory/2776-30-0x00000000003E0000-0x00000000003F6000-memory.dmp
memory/2776-29-0x00000000005B0000-0x00000000005C6000-memory.dmp
memory/2776-25-0x00000000005B0000-0x00000000005C6000-memory.dmp
memory/2848-32-0x0000000000380000-0x0000000000396000-memory.dmp
memory/2348-33-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2348-34-0x0000000000370000-0x0000000000386000-memory.dmp
memory/2776-35-0x00000000003E0000-0x00000000003F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-21 19:44
Reported
2024-05-21 19:46
Platform
win10v2004-20240426-en
Max time kernel
137s
Max time network
147s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2276 wrote to memory of 4256 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 2276 wrote to memory of 4256 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 2276 wrote to memory of 4256 | N/A | C:\Users\Admin\AppData\Local\Temp\461340.exe | C:\Users\Admin\AppData\Local\Temp\461340.exe |
| PID 4800 wrote to memory of 2760 | N/A | C:\Windows\SysWOW64\wfdapply.exe | C:\Windows\SysWOW64\wfdapply.exe |
| PID 4800 wrote to memory of 2760 | N/A | C:\Windows\SysWOW64\wfdapply.exe | C:\Windows\SysWOW64\wfdapply.exe |
| PID 4800 wrote to memory of 2760 | N/A | C:\Windows\SysWOW64\wfdapply.exe | C:\Windows\SysWOW64\wfdapply.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Users\Admin\AppData\Local\Temp\461340.exe
"C:\Users\Admin\AppData\Local\Temp\461340.exe"
C:\Windows\SysWOW64\wfdapply.exe
"C:\Windows\SysWOW64\wfdapply.exe"
C:\Windows\SysWOW64\wfdapply.exe
"C:\Windows\SysWOW64\wfdapply.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| NL | 23.62.61.171:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 23.62.61.171:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| IE | 213.79.36.67:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 24.90.102.247:443 | tcp | |
| MX | 189.250.174.245:7080 | tcp | |
| US | 199.38.204.218:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 67.251.11.28:443 | tcp | |
| US | 50.125.99.70:443 | tcp |
Files
memory/2276-5-0x0000000002560000-0x0000000002576000-memory.dmp
memory/4256-15-0x0000000000A80000-0x0000000000A90000-memory.dmp
memory/4256-14-0x0000000000A40000-0x0000000000A56000-memory.dmp
memory/2276-13-0x0000000000600000-0x0000000000610000-memory.dmp
memory/2276-12-0x0000000002540000-0x0000000002556000-memory.dmp
memory/4256-11-0x0000000000A60000-0x0000000000A76000-memory.dmp
memory/4256-7-0x0000000000A60000-0x0000000000A76000-memory.dmp
memory/2276-1-0x0000000002560000-0x0000000002576000-memory.dmp
memory/4800-17-0x0000000000920000-0x0000000000936000-memory.dmp
memory/4800-21-0x0000000000920000-0x0000000000936000-memory.dmp
memory/4800-23-0x0000000000940000-0x0000000000950000-memory.dmp
memory/4800-22-0x0000000000900000-0x0000000000916000-memory.dmp
memory/2760-29-0x0000000000A70000-0x0000000000A86000-memory.dmp
memory/2760-25-0x0000000000A70000-0x0000000000A86000-memory.dmp
memory/4256-30-0x0000000000400000-0x000000000046C000-memory.dmp
memory/4256-31-0x0000000000A40000-0x0000000000A56000-memory.dmp