Analysis Overview
SHA256
47dba610a04ef1d7f18a795108cf9e62d2d6e9e22f0fba51143462f4d569a70d
Threat Level: Known bad
The file unknown.ex1.exe was found to be: Known bad.
Malicious Activity Summary
Emotet family
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-06 01:23
Signatures
Emotet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 01:23
Reported
2024-06-06 01:25
Platform
win7-20240221-en
Max time kernel
143s
Max time network
147s
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\asptlbnetwork.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\7e-43-c9-72-9c-36 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecisionTime = e0620c26b0b7da01 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecision = "0" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecision = "0" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecisionTime = e0620c26b0b7da01 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E} | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecisionReason = "1" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\asptlbnetwork.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe
"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe"
C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe
--5eebe51e
C:\Windows\SysWOW64\asptlbnetwork.exe
"C:\Windows\SysWOW64\asptlbnetwork.exe"
C:\Windows\SysWOW64\asptlbnetwork.exe
--b3e1bf58
Network
| Country | Destination | Domain | Proto |
| MX | 187.188.166.192:80 | tcp | |
| MX | 187.188.166.192:80 | tcp | |
| MY | 42.190.4.92:443 | tcp | |
| MY | 42.190.4.92:443 | tcp | |
| US | 170.130.31.177:8080 | tcp | |
| US | 170.130.31.177:8080 | tcp |
Files
memory/2588-0-0x0000000001190000-0x00000000011A7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 01:23
Reported
2024-06-06 01:25
Platform
win10v2004-20240508-en
Max time kernel
138s
Max time network
147s
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\INetCache\Content.IE5 | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\builderscalar.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\builderscalar.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\builderscalar.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4992 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe |
| PID 4992 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe |
| PID 4992 wrote to memory of 4592 | N/A | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe | C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe |
| PID 4188 wrote to memory of 464 | N/A | C:\Windows\SysWOW64\builderscalar.exe | C:\Windows\SysWOW64\builderscalar.exe |
| PID 4188 wrote to memory of 464 | N/A | C:\Windows\SysWOW64\builderscalar.exe | C:\Windows\SysWOW64\builderscalar.exe |
| PID 4188 wrote to memory of 464 | N/A | C:\Windows\SysWOW64\builderscalar.exe | C:\Windows\SysWOW64\builderscalar.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe
"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe"
C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe
--5eebe51e
C:\Windows\SysWOW64\builderscalar.exe
"C:\Windows\SysWOW64\builderscalar.exe"
C:\Windows\SysWOW64\builderscalar.exe
--3ce76add
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| BE | 2.17.107.105:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 105.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| MX | 187.188.166.192:80 | tcp | |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| MY | 42.190.4.92:443 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 170.130.31.177:8080 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| FR | 51.255.165.160:8080 | tcp | |
| US | 45.56.79.249:443 | 45.56.79.249 | tcp |
| US | 8.8.8.8:53 | 249.79.56.45.in-addr.arpa | udp |
| MY | 60.52.64.122:80 | tcp |
Files
memory/4592-0-0x0000000000880000-0x0000000000897000-memory.dmp