Analysis Overview
SHA256
b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc
Threat Level: Known bad
The file 230717-qwxkpscc39 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Program crash
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-28 09:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-28 09:25
Reported
2024-02-28 09:28
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Emotet
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\keydeflicense.exe |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 880 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe |
| PID 880 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe |
| PID 880 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe
"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"
C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe
--ce824825
C:\Windows\SysWOW64\keydeflicense.exe
"C:\Windows\SysWOW64\keydeflicense.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4300 -ip 4300
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 264
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.173.189.20.in-addr.arpa | udp |
Files
memory/880-0-0x0000000000570000-0x0000000000586000-memory.dmp
memory/880-5-0x0000000000500000-0x0000000000510000-memory.dmp
memory/2508-6-0x0000000002090000-0x00000000020A6000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-28 09:25
Reported
2024-02-28 09:28
Platform
win7-20240221-en
Max time kernel
141s
Max time network
153s
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\definebackup.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2} | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionTime = 10c6ce73286ada01 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionTime = f0425a31286ada01 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionTime = f0425a31286ada01 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionTime = 10c6ce73286ada01 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDetectedUrl | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecision = "0" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecision = "0" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\3a-92-13-8f-94-d2 | C:\Windows\SysWOW64\definebackup.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionReason = "1" | C:\Windows\SysWOW64\definebackup.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\definebackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\definebackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\definebackup.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\definebackup.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe
"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"
C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe
--ce824825
C:\Windows\SysWOW64\definebackup.exe
"C:\Windows\SysWOW64\definebackup.exe"
C:\Windows\SysWOW64\definebackup.exe
--913b458f
Network
| Country | Destination | Domain | Proto |
| PE | 190.117.206.153:443 | tcp | |
| PE | 190.117.206.153:443 | tcp | |
| PK | 203.99.187.137:443 | tcp | |
| PK | 203.99.187.137:443 | tcp | |
| CU | 200.55.168.82:20 | tcp | |
| CU | 200.55.168.82:20 | tcp | |
| US | 70.32.94.58:8080 | tcp |
Files
memory/1864-1-0x0000000000240000-0x0000000000250000-memory.dmp
memory/1864-0-0x00000000003E0000-0x00000000003F6000-memory.dmp
memory/1480-6-0x0000000000240000-0x0000000000256000-memory.dmp
memory/2656-11-0x0000000000390000-0x00000000003A6000-memory.dmp